tag:blogger.com,1999:blog-9363771895157392832024-03-13T16:57:19.652-07:00My Notes On Routing ProtocolsNotes on configuring and verifying the Routing Protocols (OSPF/BGP/MPLS etc)Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.comBlogger99125tag:blogger.com,1999:blog-936377189515739283.post-75118818562314551832013-03-13T00:29:00.001-07:002013-03-13T03:00:42.794-07:00MPLS: Can we configure LDP and TDP in the same router?<br />
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New";">MPLS: Can we configure LDP and
TDP in the same router?<o:p></o:p></span></u></b></div>
<br />
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New";"><o:p><span style="text-decoration: none;"> </span></o:p></span></u></b></div>
<br />
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<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">In
MPLS, can we configure LDP and TDP in the same router, the answer is YES!<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">For
the latest IOS releases, LDP is the default label distribution protocol.<o:p></o:p></span></div>
<br />
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<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">If
we want to change the protocol, we can change it by using the following
command: mpls label protocol ldp or mpls label protocol tdp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">This
label distribution protocol always local to the interface; we can use LDP for
one interface and TDP for another interface.<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Let
me take a small topology to configure this one:<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">R2---Ser1/1-----------------Ser1/1---R1---Ser1/0---------------Ser1/0---R3<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show run int ser1/1<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 121 bytes<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">interface
Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls label protocol ldp<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls ip<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show run int ser1/0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 121 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.13.1 255.255.255.0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls label protocol tdp<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls ip<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show run int loop0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 1.1.1.1 255.255.255.255<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show run | sec router ospf<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;">router
ospf 1<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>router-id 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 1.1.1.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.12.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.13.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show run int ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 121 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls label protocol ldp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show run int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show run | s r o<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">router
ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>router-id 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 2.2.2.2 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.12.2 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R3#show run int ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 121 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.13.3 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls label protocol tdp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>mpls ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R3#show run int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R3#show run | s r o<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">router
ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>router-id 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 3.3.3.3 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.13.3 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-router)#<span style="color: #00b0f0;">int ser1/0</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<span style="background: yellow; mso-highlight: yellow;">mpls label protocol tdp</span><span style="color: red;"><o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#mpls
ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 11:08:05.339: %LDP-5-NBRCHG<span style="background: yellow; mso-highlight: yellow;">: TDP Neighbor 3.3.3.3:0 (1) is UP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3(config-router)#<span style="color: #00b0f0;">int ser1/0</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3(config-if)#<span style="background: yellow; mso-highlight: yellow;">mpls label protocol tdp</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3(config-if)#mpls
ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 11:08:06.143: %LDP-5-NBRCHG: <span style="background: yellow; mso-highlight: yellow;">TDP Neighbor 1.1.1.1:0 (1) is UP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<span style="color: #00b0f0;">int ser1/1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<span style="background: silver; mso-highlight: silver;">mpls label protocol ldp</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#mpls
ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 11:08:34.655: %LDP-5-NBRCHG: <span style="background: silver; mso-highlight: silver;">LDP Neighbor 2.2.2.2:0 (2) is UP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-router)#<span style="color: #00b0f0;">int ser1/1<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<span style="background: silver; mso-highlight: silver;">mpls label protocol ldp</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#mpls
ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 11:08:34.815: %LDP-5-NBRCHG: <span style="background: silver; mso-highlight: silver;">LDP Neighbor 1.1.1.1:0 (1) is UP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Peer LDP Ident: 1.1.1.1:0; Local LDP Ident
2.2.2.2:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>TCP connection: <span style="background: yellow; mso-highlight: yellow;">1.1.1.1.646</span> - 2.2.2.2.27550<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; Msgs sent/rcvd: 37/37;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:25:39<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>LDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Src IP addr: 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer LDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show mpls
ldp neighbor<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Peer LDP Ident: 2.2.2.2:0; Local LDP Ident
1.1.1.1:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>TCP connection: 2.2.2.2.27550 - <span style="background: yellow; mso-highlight: yellow;">1.1.1.1.646</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; Msgs sent/rcvd: 38/38;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:26:43<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>LDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Src IP addr: 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer LDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Peer TDP Ident: 3.3.3.3:0; Local TDP Ident
1.1.1.1:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>TCP connection: 3.3.3.3.31470 - <span style="background: yellow; mso-highlight: yellow;">1.1.1.1.711</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; PIEs sent/rcvd: 0/5;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:01:39<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>TDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/0, Src IP addr: 10.1.13.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer TDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.13.3<span style="mso-spacerun: yes;"> </span>3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R3#show mpls
ldp neighbor<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Peer TDP Ident: 1.1.1.1:0; Local TDP Ident
3.3.3.3:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>TCP connection: <span style="background: yellow; mso-highlight: yellow;">1.1.1.1.711</span> - 3.3.3.3.31470<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; PIEs sent/rcvd: 0/6;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:02:28<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>TDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;">
</span>Serial1/0, Src IP addr: 10.1.13.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer TDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">LDP
is configured between R1 and R2, Ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">TDP
is configured between R1 and R3, Ser1/0<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-16349708229633660602013-03-13T00:06:00.002-07:002013-03-13T00:06:28.738-07:00MPLS: LDP and TDP
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">MPLS: LDP and TDP<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">I
often see people getting confused between LDP and TDP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">In
simple terms, both do the same thing, i.e. distributing labels<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">But,
TDP is Cisco proprietary and LDP is industry standard.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="color: #00b0f0; font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">TDP:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 1in; mso-list: l1 level2 lfo1; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">o<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Uses UDP broadcast on port
711 to discover the neighbors.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 1in; mso-list: l1 level2 lfo1; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">o<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Once the neighbor is
discovered, it brings up TCP connection on port 711<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="color: #00b0f0; font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">LDP:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 1in; mso-list: l1 level2 lfo1; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">o<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Uses UDP multicast to
224.0.0.2 (AllRouters) on port 646 to discover the neighbors.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 1in; mso-list: l1 level2 lfo1; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">o<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Once the neighbor is
discovered, it brings up TCP connection on port 646<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">One
main difference is Router-ID reachability.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">OSPF Router-ID:<o:p></o:p></span></u></b></div>
<br />
<ul style="margin-top: 0in;" type="disc">
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l0 level1 lfo2; mso-themecolor: text1; tab-stops: list .5in;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">Router-ID simply
means the name of this router in the OSPF domain. <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l0 level1 lfo2; mso-themecolor: text1; tab-stops: list .5in;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">Before an OSPF
router can send any OSPF messages, it must choose a unique 32-bit
identifier called the router identifier. <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l0 level1 lfo2; mso-themecolor: text1; tab-stops: list .5in;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">Cisco routers
choose the following sequence to choose their Router-ID. <o:p></o:p></span></span></li>
</ul>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt 0.75in; text-align: justify; text-indent: -0.25in;">
<span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: Verdana; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">1. </span><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">If you
configure Router-ID manually, it will be the Router-ID<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt 0.75in; text-align: justify; text-indent: -0.25in;">
<span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: Verdana; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">2. </span><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">If the
router-ID is not configured manually and the loopback interface exists, highest
active Loopback address will be the Router-ID<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt 0.75in; text-align: justify; text-indent: -0.25in;">
<span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: Verdana; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">3. </span><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">If Loopback
interface doesn’t exists, then the highest active physical interface address.<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; text-align: justify;">
<span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><o:p> </o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; text-align: justify;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;">Some
important points to be noted about Router ID:</span></b><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><o:p></o:p></span></div>
<br />
<ul style="margin-top: 0in;" type="disc">
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l4 level1 lfo3; mso-themecolor: text1; tab-stops: list .5in; text-align: justify;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">The Cisco OSPF will continue to use a RID learned
from a physical interface even if the interface subsequently fails or
deleted. <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l4 level1 lfo3; mso-themecolor: text1; tab-stops: list .5in; text-align: justify;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">The RID does not have to reachable <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l4 level1 lfo3; mso-themecolor: text1; tab-stops: list .5in; text-align: justify;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">The interface from which the RID is taken does
not have to be matched by an OSPF network command <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l4 level1 lfo3; mso-themecolor: text1; tab-stops: list .5in; text-align: justify;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">Routers consider changing the OSPF RID when the
OSPF process is restarted or when the RID changed via the configuration. <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 0pt; mso-list: l4 level1 lfo3; mso-themecolor: text1; tab-stops: list .5in; text-align: justify;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">If a RID changes, the rest of the routers in the
same area need to perform a new SPF calculation. <o:p></o:p></span></span></li>
<li class="MsoNormal" style="color: black; line-height: normal; margin: 0in 0in 10pt; mso-list: l4 level1 lfo3; mso-themecolor: text1; tab-stops: list .5in; text-align: justify;"><span style="color: #0d0d0d; font-family: "Courier New"; font-size: 9pt; mso-fareast-font-family: "Times New Roman"; mso-style-textfill-fill-alpha: 100.0%; mso-style-textfill-fill-color: #0D0D0D; mso-style-textfill-fill-colortransforms: "lumm=95000 lumo=5000"; mso-style-textfill-fill-themecolor: text1; mso-themecolor: text1; mso-themetint: 242;"><span style="color: windowtext;">If the RID is
configured via Router-id command and the command remains unchanged, RID
will never change for that router. <o:p></o:p></span></span></li>
</ul>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">BGP Router-ID:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Router-ID
selection is same as in OSPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">When
BGP sources its connection, it will always <span style="color: red;">source from
the outgoing interface address</span>; hence update-source command is needed
when we are sourcing from other than the outgoing interface.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">LDP or TDP
Router-ID:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Router-ID
selection is same as in OSPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">But,
when LDP or TDP initiates its connection, it is sourced from the Router-ID.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">That
means Router-ID must be reachable<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">That
means, IGP must have been completed before enabling LDP or TDP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">If
you want to change the sourcing address to outgoing interface, you could use “<span style="mso-bidi-font-weight: bold;">mpls ldp discovery transport-address
interface”<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l7 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Let
me take a small topology to try out this:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1----Ser1/1--------------Ser1/1-----R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show run int ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 121 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>serial
restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show run int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 1.1.1.1 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show run int ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 121 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">serial
restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show run int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Current
configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>ip address 2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1(config-if)#do ping 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Sending
5, 100-byte ICMP Echos to 10.1.12.2, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Success
rate is 100 percent (5/5), round-trip min/avg/max = 4/18/44 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2(config-if)#do ping 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Sending
5, 100-byte ICMP Echos to 10.1.12.1, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Success
rate is 100 percent (5/5), round-trip min/avg/max = 4/28/92 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2(config-if)#do ping 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Sending
5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">.....<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Success
rate is 0 percent (0/5)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1(config-if)#do ping 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Sending
5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">.....<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">Success
rate is 0 percent (0/5)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Ser1/1
is up and running between R1 and R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">No
IGP is configured between R1 and R2, hence they cannot reach other’s loopback.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Now,
let me configure MPLS and see what happens:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2(config)#int ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#mpls
ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1(config)#int ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#mpls
ip<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#show
mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#show
mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo6; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">LDP
still didn’t come up</span><span style="font-family: Wingdings; font-size: 9pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">L</span></span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo6; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Let’s
enable some debugs and see<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #00b0f0; font-family: "Courier New"; font-size: 8pt;">R1#debug mpls
ldp transport events<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">LDP
transport events debugging is on<span style="mso-spacerun: yes;"> </span>for
routing table default<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:41.623: ldp: Rcvd ldp hello; Serial1/1, from 10.1.12.2 (2.2.2.2:0),
intf_id 0, opt 0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:41.627: ldp: ldp Hello from 10.1.12.2 (2.2.2.2:0) to 224.0.0.2, opt
0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:41.631: ldp: local idb = Serial1/1, holdtime = 15000, peer 10.1.12.2
holdtime = 15000<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:41.631: ldp: Link intvl min cnt = 2, intvl = 5000, idb = Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:45.779: ldp: Send ldp hello; Serial1/1, src/dst 10.1.12.1/224.0.0.2,
inst_id 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:46.327: ldp: Rcvd ldp hello; Serial1/1, from 10.1.12.2 (2.2.2.2:0),
intf_id 0, opt 0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:46.331: ldp: ldp Hello from 10.1.12.2 (2.2.2.2:0) to 224.0.0.2, opt
0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:46.331: ldp: local idb = Serial1/1, holdtime = 15000, peer 10.1.12.2
holdtime = 15000<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:46.331: ldp: Link intvl min cnt = 2, intvl = 5000, idb = Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:50.099: ldp: Rcvd ldp hello; Serial1/1, from 10.1.12.2 (2.2.2.2:0),
intf_id 0, opt 0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:50.103: ldp: ldp Hello from 10.1.12.2 (2.2.2.2:0) to 224.0.0.2, opt
0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:50.103: ldp: local idb = Serial1/1, holdtime = 15000, peer 10.1.12.2
holdtime = 15000<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:50.103: ldp: Link intvl min cnt = 2, intvl = 5000, idb = Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:50.703: ldp: Send ldp hello; Serial1/1, src/dst 10.1.12.1/224.0.0.2,
inst_id 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:53.987: ldp: Rcvd ldp hello; Serial1/1, from 10.1.12.2 (2.2.2.2:0),
intf_id 0, opt 0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:53.991: ldp: ldp Hello from 10.1.12.2 (2.2.2.2:0) to 224.0.0.2, opt
0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:53.995: ldp: local idb = Serial1/1, holdtime = 15000, peer 10.1.12.2
holdtime = 15000<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:53.995: ldp: Link intvl min cnt = 2, intvl = 5000, idb = Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">*Mar
13 12:02:54.899: ldp: Send ldp hello; Serial1/1, src/dst 10.1.12.1/224.0.0.2,
inst_id 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 8pt;">*Mar 13 12:02:55.423: ldp: No route to peer 2.2.2.2; set
LDP_CTX_HANDLE_ROUTEUP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">R1#u
all<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">All
possible debugging has been turned off<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 8pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#debug
mpls ldp transport events<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">LDP
transport events debugging is on<span style="mso-spacerun: yes;"> </span>for
routing table default<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:02:10.411: ldp: Rcvd ldp hello; Serial1/1, from 10.1.12.1 (1.1.1.1:0),
intf_id 0, o<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>pt 0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:02:10.415: ldp: ldp Hello from 10.1.12.1 (1.1.1.1:0) to 224.0.0.2, opt
0xC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:02:10.419: ldp: local idb = Serial1/1, holdtime = 15000, peer 10.1.12.1
holdtime =<span style="mso-spacerun: yes;"> </span>15000<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:02:10.419: ldp: Link intvl min cnt = 2, intvl = 5000, idb = Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:02:10.419: ldp: Opening ldp conn; adj 0x659D58CC, 2.2.2.2 <->
1.1.1.1; with normal<span style="mso-spacerun: yes;">
</span>priority<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:02:10.423: ldp: No MD5 password protection for peer 1.1.1.1:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">*Mar 13 12:02:10.423: ldp: No route to peer 1.1.1.1; set
LDP_CTX_HANDLE_ROUTEUP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;"><o:p><span style="text-decoration: none;"> </span></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">Observations:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo7; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Loopback0
is elected as Router-ID and the TCP connection is sourced from the Router-ID.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo7; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Since
the router-ID is not reachable, LDP session didn’t come up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo7; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Now,
let’s change the source address to interface address:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config)#int
ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<span style="color: #00b0f0;">mpls ldp discovery transport-address interface</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:10:58.947: %LDP-5-NBRCHG<span style="background: yellow; mso-highlight: yellow;">: LDP Neighbor 2.2.2.2:0 (1) is UP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config)#int
ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<span style="color: #00b0f0;">mpls ldp discovery transport-address interface</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:10:59.175: %LDP-5-NBRCHG<span style="background: yellow; mso-highlight: yellow;">: LDP Neighbor 1.1.1.1:0 (1) is UP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 9pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>TCP connection: 10.1.12.2.19313 - 10.1.12.1.646</span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; Msgs sent/rcvd: 13/12;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:06:19<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>LDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Src IP addr: 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer LDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 2.2.2.2:0<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 9pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>TCP connection: 10.1.12.1.646 - 10.1.12.2.19313</span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; Msgs sent/rcvd: 13/14;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:07:04<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>LDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Src IP addr: 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer LDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo8; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">LDP
session is UP now</span><span style="font-family: Wingdings; font-size: 9pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">J</span></span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo8; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Router-ID
is still Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo8; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">TCP
connection is sourced using the interface address<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo8; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">Instead
of changing the sourcing address, we can simply advertise Loopback in the IGP</span><span style="font-family: Wingdings; font-size: 9pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">J</span></span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config)#int
ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<span style="color: #00b0f0;">no mpls ldp discovery transport-address interface</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:25:51.959: %LDP-5-NBRCHG: LDP Neighbor 2.2.2.2:0 (1) is DOWN (Discovery
Hello Hold Timer expired)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-if)#<span style="color: #00b0f0;">router ospf 1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-router)#network
1.1.1.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-router)#network
10.1.12.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:26:38.003: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/1 from
LOADING to FULL, Loading Done<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:26:47.463: %LDP-5-NBRCHG: LDP Neighbor 2.2.2.2:0 (1) is UP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config)#int
ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<span style="color: #00b0f0;">no mpls ldp discovery transport-address interface<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:25:52.259: %LDP-5-NBRCHG: LDP Neighbor 1.1.1.1:0 (1) is DOWN (Received
error notification from peer: Holddown time expired)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-if)#<span style="color: #00b0f0;">router ospf 1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-router)#network
2.2.2.2 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-router)#network
10.1.12.2 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:26:38.323: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/1 from
LOADING to FULL, Loading Done<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">*Mar
13 12:26:47.707: %LDP-5-NBRCHG: LDP Neighbor 1.1.1.1:0 (1) is UP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R1#show mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 9pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>TCP connection: 2.2.2.2.27550 - 1.1.1.1.646</span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; Msgs sent/rcvd: 9/8;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:02:14<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>LDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Src IP addr: 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer LDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">R2#show mpls ldp neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Peer LDP Ident: 1.1.1.1:0; Local LDP Ident 2.2.2.2:0<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 9pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>TCP connection: 1.1.1.1.646 - 2.2.2.2.27550</span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>State: Oper; Msgs sent/rcvd: 9/9;
Downstream<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Up time: 00:02:35<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>LDP discovery sources:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Src IP addr: 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>Addresses bound to peer LDP Ident:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 9pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #00b0f0; font-family: "Courier New"; font-size: 9pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo8; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">LDP
session is UP now</span><span style="font-family: Wingdings; font-size: 9pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">J</span></span><span style="font-family: "Courier New"; font-size: 9pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo8; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 9pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 9pt;">It
is sourced from the Router-ID<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com4tag:blogger.com,1999:blog-936377189515739283.post-66022417050987101322012-11-16T00:14:00.000-08:002012-11-16T00:14:25.890-08:00BPDUGUARD and BPDUFILTER:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">BPDUGUARD and
BPDUFILTER:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
don’t want to receive any BPDUs (STP info) on any access ports.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">But,
what if we receive them??<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
have 2 solutions for this<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"></span> </div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">1.<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span></b><b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">BPDUGUARD:<o:p></o:p></span></u></b></div>
<br />
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
we enable BPDUGUARD feature on any port, then the moment it receives any BPDUs
on that port, it moves the port into err-disable mode.<o:p></o:p></span></div>
<br />
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<u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Configuring per interface:<o:p></o:p></span></u></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;">switchport mode access<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;">switchport access vlan 10<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;">spanning-tree bpduguard enable<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
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<u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Configuring Globally:<o:p></o:p></span></u></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">spanning-tree
portfast bpduguard<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">To recover:<o:p></o:p></span></u></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;">errdisable recovery cause bpduguard<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">errdisable
recovery interval 120<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-tab-count: 1;"> </span><o:p></o:p></span></div>
<br />
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<b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">2.<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span></b><b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">BPDUFILTER:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; tab-stops: 63.0pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
we enable BPDUFILTER at the interface level, then it drops all inbound BPDUs
and doesn’t send out BPDUs outside the interface.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; tab-stops: 63.0pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">The
difference between them is; with the BPDUFILTER command, interface will not go
into err-disable mode when a violation happens.<o:p></o:p></span></div>
<br />
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<u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><o:p><span style="text-decoration: none;"> </span></o:p></span></u></div>
<br />
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<u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Configuring per interface:<o:p></o:p></span></u></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">spanning-tree
bpdufilter enable</span><span style="font-family: "Arial","sans-serif"; font-size: 12pt;"><o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 63.0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Configuring Globally:<o:p></o:p></span></u></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNormal" style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none;">
<span style="font-family: "Courier New"; font-size: 10pt;">spanning-tree portfast bpdufilter default<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">spanning-tree
portfast default<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">There
is a difference in the behavior between applying this under the interface and applying
it globally.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">When
we apply it under the interface, it drops all inbound BPDUs and doesn’t send
out BPDUs outside the interface.<o:p></o:p></span></div>
<br />
<div class="MsoListParagraph" style="line-height: normal; margin: 0in 0in 0pt 0.5in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">When
we apply it globally, when the switch detects receiving BPDUs on any port, it reverts
the interface out of Portfast state.<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-57499153160431732272012-11-14T19:04:00.001-08:002014-06-23T21:43:43.415-07:00BGP: Conditional advertisement of default-route based on track object:<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New";">BGP: Conditional advertisement of default-route based on track object:<o:p></o:p></span></u></b></div>
<br />
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</div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Yesterday one of my friends asked me one interesting question on BGP default-route advertisement.<o:p></o:p></span></div>
<br />
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</div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1 has a static default route through its BGP neighbor R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1 is advertising BGP default route to R3 and R4.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">But, R1 should withdraw this default route to R3 and R4, if it loses its connection to R2 and this has to be done by tracking the static route</span><span style="font-family: Wingdings; font-size: 10pt; mso-ascii-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'; mso-char-type: symbol; mso-hansi-font-family: 'Courier New'; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">J</span></span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Initially, I thought I can call track-object inside a route-map, but there is no such option.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">I googled so much on this topic and some people says we need to use EEM, but I didn’t find any exact answer for this.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Then I tried many ways of configuring track, static route, how to call the track in a route-map and all and finally it worked.<o:p></o:p></span></div>
<br />
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Solution:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Create a track object to track the reachability of the static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Embed this track to the static default route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Create one prefix-list to match the default route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Call this prefix-list inside a route-map<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Use this route-map while advertising default route to R3 and R4</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="font-family: Times New Roman; font-size: small;"></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let me take a small topology to configure default route in BGP:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Times New Roman;"><o:p></o:p></span></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvlACPtb9vtlLyW-7TNIkhTVFPQ4hdRTBAI1HbvNsK2L3xD7mS3g7pe-NuTSq0ccX-Ocg3NxTTFl1kDqlMhwmTHhB236DIWi3vgERLLFR7RDlsdcRWTpi3jhvqfuCmoezZINZeIFnDYNw/s1600/BGP+Default+Route.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvlACPtb9vtlLyW-7TNIkhTVFPQ4hdRTBAI1HbvNsK2L3xD7mS3g7pe-NuTSq0ccX-Ocg3NxTTFl1kDqlMhwmTHhB236DIWi3vgERLLFR7RDlsdcRWTpi3jhvqfuCmoezZINZeIFnDYNw/s320/BGP+Default+Route.png" height="136" width="320" /></a></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1 – AS 100<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2 – AS 200<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3 – AS 300<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R4 – AS 400<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#do show run | i track<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">track 1 ip route 0.0.0.0 0.0.0.0 reachability<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">ip route 0.0.0.0 0.0.0.0 10.1.12.2 track 1<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip prefix-list TRACK permit 0.0.0.0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#route-map TRACK<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-route-map)#match ip address prefix-list TRACK<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-route-map)#exit<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#router bgp 100<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#neighbor 10.1.13.3 default-originate route-map TRACK<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#neighbor 10.1.14.4 default-originate route-map TRACK<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
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<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me see R3 and R4 if they got default route from R1:<o:p></o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do show ip bgp<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP table version is 56, local router ID is 4.4.4.4<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Origin codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do show ip bgp<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP table version is 54, local router ID is 3.3.3.3<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Origin codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
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</div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3 and R4 received the default route from R1.<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now, Let me shut the R1’s ser1/0 interface to bring the Track1, so that R1 will withdraw default route towards R3 & R4<o:p></o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#debug ip bgp updates<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP updates debugging is on for address family: IPv4 Unicast<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1#conf t<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Enter configuration commands, one per line.<span style="mso-spacerun: yes;"> </span>End with CNTL/Z.<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int ser1/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<span style="color: red;">shut</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:00.567: BGP(0): no valid path for 2.2.2.2/32<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:00.567: %BGP-5-ADJCHANGE: neighbor 10.1.12.2 Down Interface flap<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:00.571: BGP(0): nettable_walker 2.2.2.2/32 no best path<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:01.567: BGP(0): 10.1.13.3 send unreachable 0.0.0.0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:01.567: BGP(0): 10.1.13.3 <span style="background: yellow; mso-highlight: yellow;">enqueued default-originate update</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:01.567: BGP(0): 10.1.14.4 send unreachable 0.0.0.0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:01.567: BGP(0): 10.1.14.4 <span style="background: yellow; mso-highlight: yellow;">enqueued default-originate update</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:02.543: %LINK-5-CHANGED: Interface Serial1/0, changed state to administratively down<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:03.543: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:06.139: <span style="background: yellow; mso-highlight: yellow;">%TRACKING-5-STATE: 1 ip route 0.0.0.0/0 reachability Up->Down</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:09.575: BGP(0): 10.1.13.3 send unreachable 2.2.2.2/32<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:09.575: BGP(0): 10.1.13.3 send UPDATE 2.2.2.2/32 -- unreachable<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:29:09.675: BGP(0): updgrp 2 - 10.1.13.3 updates replicated for neighbors: 10.1.14.4<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#do u all<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">All possible debugging has been turned off<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do show ip bgp<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP table version is 58, local router ID is 4.4.4.4<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">Origin codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
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</div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
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</div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do show ip bgp<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP table version is 56, local router ID is 3.3.3.3<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">Origin codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
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</div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">*> 4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
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</div>
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1 has withdrawn the default route to R3 and R3<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now, let me bring the R1’s ser1/0 interface up<o:p></o:p></span></div>
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</div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<span style="color: red;">no shut</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:34:56.939: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:34:57.943: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:34:57.955: BGP(0): 10.1.13.3 <span style="background: yellow; mso-highlight: yellow;">enqueued default-originate update</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:34:57.955: BGP(0): 10.1.14.4 <span style="background: yellow; mso-highlight: yellow;">enqueued default-originate update</span><o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 03:35:06.139: %TRACKING-5-STATE: 1 ip route 0.0.0.0/0 reachability Down->Up<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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</div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do show ip bgp<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP table version is 60, local router ID is 4.4.4.4<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">Origin codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
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</div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
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</div>
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do show ip bgp<o:p></o:p></span></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">BGP table version is 58, local router ID is 3.3.3.3<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
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</div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*> 4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
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</div>
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt 'Times New Roman';"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1 has advertised default route now to R3 and R4!!!<o:p></o:p></span></div>
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</div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com2tag:blogger.com,1999:blog-936377189515739283.post-52252292159984023742012-11-14T09:37:00.001-08:002012-11-14T09:37:11.823-08:00BGP: Generating default route:
<br />
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">BGP: Generating
default route:<o:p></o:p></span></u></b></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
BGP, we can generate default route in 2 ways<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 1in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 10pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">1.<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Advertising “network 0.0.0.0
mask 0.0.0.0: command<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 1in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: "Courier New"; font-size: 10pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">2.<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Using “default-information originate”
command or<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
the first case, router must have a default-route in its routing table, and then
only it can send it over BGP, but it sends the default-route to all neighbors<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
the second case, we can send default route per neighbor. This doesn’t require having
a default route in the routing table.<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure default route in BGP:<o:p></o:p></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnfWKW5puTcIxKefQqGfKoLxmkqMcqFIJvdyGbSue9zXTlifzcxN425CcYP8Qjw3T268mob1zvrFr8gvO55oqhYTnlQurFq-bajiuI84o5S9yw5IeId8WZhNOnYPX1DTlRDPihK4LWglo/s1600/BGP+Default+Route.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="136" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnfWKW5puTcIxKefQqGfKoLxmkqMcqFIJvdyGbSue9zXTlifzcxN425CcYP8Qjw3T268mob1zvrFr8gvO55oqhYTnlQurFq-bajiuI84o5S9yw5IeId8WZhNOnYPX1DTlRDPihK4LWglo/s320/BGP+Default+Route.png" width="320" /></a></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
– AS 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
– AS 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3
– AS 300<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R4
– AS 400<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show ip bgp sum</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
router identifier 1.1.1.1, local AS number 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 5, main routing table version 5<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">4
network entries using 468 bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">4
path entries using 208 bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">5/4
BGP path/bestpath attribute entries using 620 bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">3
BGP AS-PATH entries using 72 bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">0
BGP route-map cache entries using 0 bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">0
BGP filter-list cache entries using 0 bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
using 1368 total bytes of memory<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
activity 4/0 prefixes, 4/0 paths, scan interval 60 secs<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor<span style="mso-spacerun: yes;"> </span>V<span style="mso-spacerun: yes;">
</span>AS MsgRcvd MsgSent<span style="mso-spacerun: yes;"> </span>TblVer<span style="mso-spacerun: yes;"> </span>InQ OutQ Up/Down<span style="mso-spacerun: yes;"> </span>State/PfxRcd<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.12.2<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;">
</span>200<span style="mso-spacerun: yes;"> </span>5<span style="mso-spacerun: yes;"> </span>8<span style="mso-spacerun: yes;">
</span>5<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 00:01:05<span style="mso-spacerun: yes;">
</span><span style="mso-spacerun: yes;"> </span>1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.13.3<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;">
</span>300<span style="mso-spacerun: yes;"> </span>5<span style="mso-spacerun: yes;"> </span>8<span style="mso-spacerun: yes;">
</span>5<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 00:01:15<span style="mso-spacerun: yes;"> </span>1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.14.4<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;">
</span>400<span style="mso-spacerun: yes;"> </span>5<span style="mso-spacerun: yes;"> </span>8<span style="mso-spacerun: yes;">
</span>5<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 00:01:29<span style="mso-spacerun: yes;"> </span>1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do show ip bgp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 5, local router ID is 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.13.3<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.14.4<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 5, local router ID is 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 5, local router ID is 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.13.1 <span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 5, local router ID is 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1
is peering with R2, R3 and R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1
has advertised its loopback0 1.1.1.1 into BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2
has advertised its loopback0 2.2.2.2 into BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3
has advertised its loopback0 3.3.3.3 into BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
I want R3 and R4 to get a default route from R1 through BGP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">For
this, first let me create a static route in R1 through R2 and then I will
advertise that into BGP, so that R3 and R4 gets that default route.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#network
0.0.0.0 mask 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#ip
route 0.0.0.0 0.0.0.0 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo5; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me check the BGP routing tables:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 6, local router ID is 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.13.3<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.14.4<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 6, local router ID is 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 6, local router ID is 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 6, local router ID is 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
R3 and R4 got default route from R1 through BGP!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">But,
R2 also got the same route from R1</span><span style="font-family: Wingdings; font-size: 10pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">L</span></span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">So,
general advertisement is not good, solution is to use conditional advertisement
per neighbor<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#router
bgp 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#no
network 0.0.0.0 mask 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#neighbor
10.1.14.4 default-originate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#neighbor
10.1.13.3 default-originate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo4; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me check BGP routing tables:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 7, local router ID is 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.13.3<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.14.4<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 8, local router ID is 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 8, local router ID is 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;">
</span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 7, local router ID is 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
only R3 and R4 default route from R1!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">But,
what if R1 loses its BGP connection to R2????<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3
and R4 still gets default route from R1 and we have an issue</span><span style="font-family: Wingdings; font-size: 10pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">L</span></span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l6 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Solution
is to advertise this default-route conditionally to R3 and R4, only R1 has its
connection to R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#access-list
12 permit 10.1.12.0 0.0.0.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#route-map
TO-R3-R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-route-map)#match
ip address 12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-route-map)#router
bgp 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#</span><span style="font-family: Calibri;">
<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#no<span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.3 default-originate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#no<span style="mso-spacerun: yes;"> </span>neighbor 10.1.14.4 default-originate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#neighbor
10.1.13.3 default-originate route-map TO-R3-R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#neighbor
10.1.14.4 default-originate route-map TO-R3-R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo6; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me shut the R1-R2 link and see what happens to the default
route:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#debug
ip bgp updates<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
updates debugging is on for address family: IPv4 Unicast<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int
ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<span style="color: red;">shut</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.235: BGP(0): no valid path for
2.2.2.2/32<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.239: %BGP-5-ADJCHANGE: neighbor
10.1.12.2 Down Interface flap<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.243: BGP(0): nettable_walker
2.2.2.2/32 no best path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.243: BGP(0): 10.1.13.3 send
unreachable 2.2.2.2/32<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.243: BGP(0): 10.1.13.3 send UPDATE
2.2.2.2/32 -- unreachable<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.343: BGP(0): 10.1.13.3 <span style="background: yellow; mso-highlight: yellow;">send unreachable 0.0.0.0/0</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.343: BGP(0): 10.1.13.3 enqueued
default-originate update<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.343: BGP(0): 10.1.14.4 <span style="background: yellow; mso-highlight: yellow;">send unreachable 0.0.0.0/0</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.343: BGP(0): 10.1.14.4 enqueued
default-originate update<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:07.347: BGP(0): updgrp 2 - 10.1.13.3
updates replicated for neighbors: 10.1.14.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:09.215: %LINK-5-CHANGED: Interface
Serial1/0, changed state to administratively down<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:45:10.215: %LINEPROTO-5-UPDOWN: Line
protocol on Interface Serial1/0, changed state to down<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#do
u all<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">All
possible debugging has been turned off<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 10, local router ID is 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 10, local router ID is 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0 <span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo6; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Default
route is not there in R3 and R4 now.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo6; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me make R1-R2 interface up:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#no
shut<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:50:00.395: %LINK-3-UPDOWN: Interface
Serial1/0, changed state to up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:50:00.423: BGP(0): <span style="background: yellow; mso-highlight: yellow;">10.1.13.3 enqueued
default-originate update</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:50:00.427: BGP(0): <span style="background: yellow; mso-highlight: yellow;">10.1.14.4 enqueued
default-originate update</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 00:50:01.399: %LINEPROTO-5-UPDOWN: Line
protocol on Interface Serial1/0, changed state to up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#do
u all<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">All
possible debugging has been turned off<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 12, local router ID is 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network<span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>10.1.14.1<span style="mso-spacerun: yes;"> </span>0 100 300 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip bgp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">BGP
table version is 12, local router ID is 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Status
codes: s suppressed, d damped, h history, * valid, > best, i - internal,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>r RIB-failure, S Stale<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Origin
codes: i - IGP, e - EGP, ? - incomplete<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network <span style="mso-spacerun: yes;"> </span>Next Hop<span style="mso-spacerun: yes;"> </span>Metric LocPrf Weight Path<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">*> 0.0.0.0<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
1.1.1.1/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>0 100 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
2.2.2.2/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 200 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
3.3.3.3/32<span style="mso-spacerun: yes;"> </span>0.0.0.0<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;"> </span>32768 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*>
4.4.4.4/32<span style="mso-spacerun: yes;"> </span>10.1.13.1<span style="mso-spacerun: yes;"> </span>0 100 400 i<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo7; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
R3 and R4 have default routes back in their routing tables!<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-47405013900947490922012-11-14T02:43:00.002-08:002012-11-14T02:43:55.613-08:00Multicast: Configuring tunnel:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; mso-bidi-font-family: "Courier New";">Multicast: Configuring tunnel:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
configuring is required when we have to send multicast traffic through
non-multicast enabled routers.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure this:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3------R1--------R2-------R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
routing is enabled on R3 and R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
routing is not enabled on R1 and R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3
is the server and R4’s loopback is the client<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
has to be created between R3 and R4 and enable spase-mode under tunnel
interfaces.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run |
i multicast<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2# show run |
i multicast<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run
int tun1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 123 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Tunnel1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip unnumbered Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel destination 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run
int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 83 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run |
i rp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-address 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run
int tun1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 123 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Tunnel1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip unnumbered Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel destination 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run
int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 116 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 4.4.4.4 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 228.28.28.28<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run |
i rp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-address 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#show
run | i mroute<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
mroute 0.0.0.0 0.0.0.0 Tunnel1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation: <o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
and R2 are not running multicast routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
has been created between R3 and R4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R4
has mroute pointing towards tunnel interface, because R3 is the course and RPF
will fail without this mroute.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo1; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, I’m initiating ping form the server, R3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#ping
228.28.28.28<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 228.28.28.28, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 4.4.4.4, 104 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is fine; R4 is receiving multicast traffic from R3.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me see multicast routing tables:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 00:00:44/stopped, RP 4.4.4.4, flags: SPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(3.3.3.3,
228.28.28.28), 00:00:44/00:02:45, flags: FT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Loopback0, RPF nbr
0.0.0.0, Registering<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Outgoing interface list:<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Tunnel1, Forward/Sparse, 00:00:44/00:02:45</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:11:47/00:02:59, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Tunnel1, Forward/Sparse, 00:11:47/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
00:11:47/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 09:14:25/stopped, RP 4.4.4.4, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0,
Mroute<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
09:14:25/00:02:16<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(3.3.3.3, 228.28.28.28),
00:00:48/00:02:16, flags: LJT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Tunnel1, RPF nbr 3.3.3.3, Mroute</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
00:00:48/00:02:16<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:11:47/00:02:13, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Tunnel1, Forward/Sparse, 00:11:47/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
00:11:47/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-62930498995946442602012-11-14T02:14:00.002-08:002012-11-14T02:14:45.576-08:00Multicast: Configuring IGMP helper command:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Multicast:
Configuring IGMP helper command:<o:p></o:p></span></u></b></div>
<br />
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">When
there is a stub router and it cannot be configured to process multicast
messages, but still wants to receive multicast traffic, we can make use of IGMP
helper command.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a topology of just 2 routers:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1---—ser1/0-------------10.1.12.0--------ser1/0----R2<o:p></o:p></span></div>
<br />
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is the stub router and doesn’t want to process multicast traffic<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
is the server<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Configuration
is very simple:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 140 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp helper-address 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run
int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 115 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 1.1.1.1 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run
int ser1/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 133 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim neighbor-filter 12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run
int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 82 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">IGMP
helper command is configure under R1’s Ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Since
R1 doesn’t want to process multicast messages, PIM neighbor-relationship is
blocked in R2’s Ser1/0 for R1’s ser1/0, 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1’s
loopback0 has configured as client to receive 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
I’m initiating ping form the server, R2’s loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#ping
227.27.27.27 source 2.2.2.2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Packet
sent with a source address of 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.12.1, 84 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is fine, R1 is receiving multicast traffic from R2.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me see multicast routing tables:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:11:33/stopped, RP 2.2.2.2, flags: SJCLF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Serial1/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:09:31/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(2.2.2.2,
227.27.27.27), 00:00:18/00:02:43, flags: LJTA<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Serial1/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:00:18/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 10:53:50/00:02:54, RP 1.1.1.1, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/0, Forward/Dense, 00:15:51/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Sparse,
05:16:20/00:02:54<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:00:36/stopped, RP 2.2.2.2, flags: SP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(2.2.2.2,
227.27.27.27), 00:00:36/00:02:23, flags: PTA<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Loopback0, RPF nbr
0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 08:42:46/00:02:41, RP 2.2.2.2, flags: S<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Sparse, 08:42:46/00:02:41<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 10:54:11/00:02:38, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Sparse,
05:14:42/00:02:38<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-30772155854176485182012-11-13T20:59:00.002-08:002012-11-13T20:59:57.353-08:00Multicast: Configuring Inter-domain Multicast:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 12pt;">Multicast:
Configuring Inter-domain Multicast:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Inter-domain
multicast is needed when multicast source and receiver span across the ASs.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Generally
each AS will have its own RP and we need to configure MSDP between the two RPs.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure this:<o:p></o:p></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAXMmPoYCXYyTJdi5EuuQKo9MljV4vZkDgoN_3mdzRWdXdIC84rR5FEDz28VQ98AiEG6_XgzZJffdImrOfR490hNWwqhzWciQOXWyMNaVIy4HkJwkNniQL2cMPRTIqCzaSDfQXWyQJKAQ/s1600/Inter+domain+Multicast.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="153" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAXMmPoYCXYyTJdi5EuuQKo9MljV4vZkDgoN_3mdzRWdXdIC84rR5FEDz28VQ98AiEG6_XgzZJffdImrOfR490hNWwqhzWciQOXWyMNaVIy4HkJwkNniQL2cMPRTIqCzaSDfQXWyQJKAQ/s320/Inter+domain+Multicast.png" width="320" /></a></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is the RP for AS 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
is the RP for AS 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
and R2 are the BGP neighbors and we need to enable address-family multicast.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3
is the multicast server<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R4
is the receiver<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run |
sec router<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>router-id 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 1.1.1.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.13.1 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
bgp 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp router-id 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp log-neighbor-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.12.2 remote-as 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.3 remote-as 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>redistribute ospf 1 match internal<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.12.2 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.3 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4 multicast<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>redistribute ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.12.2 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.3 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.3 next-hop-self<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run |
i rp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-address 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-candidate Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run |
i msdp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
msdp peer 2.2.2.2 connect-source Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run |
sec router<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>router-id 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 2.2.2.2 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.24.2 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
bgp 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp router-id 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp log-neighbor-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.12.1 remote-as 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.4 remote-as 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>redistribute ospf 1 match internal<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.12.1 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.4 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4 multicast<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>redistribute ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.12.1 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.4 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.4 next-hop-self<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run |
i rp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-address 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-candidate Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run |
i msdp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
msdp peer 1.1.1.1 connect-source Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run |
sec router<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>router-id 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 3.3.3.3 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.13.3 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
bgp 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp router-id 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp log-neighbor-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.1 remote-as 100<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.1 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4 multicast<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.13.1 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run |
i rp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-address 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run |
sec router<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>router-id 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>log-adjacency-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 4.4.4.4 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>network 10.1.24.4 0.0.0.0 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">router
bgp 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp router-id 4.4.4.4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>bgp log-neighbor-changes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.2 remote-as 200<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.2 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>address-family ipv4 multicast<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>neighbor 10.1.24.2 activate<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no auto-summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no synchronization<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>exit-address-family<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run |
i rp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip
pim rp-address 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 1.1.1.1 (?), v2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 1.1.1.1 (?), via bootstrap,
priority 0, holdtime 150<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 03:12:26, expires: 00:02:07<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s):
224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP: 1.1.1.1 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is a candidate RP (v2)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is the Bootstrap Router (v2)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 1.1.1.1 (?), v2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 1.1.1.1 (?), via bootstrap,
priority 0, holdtime 150<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 04:11:39, expires: 00:01:56<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s):
224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP: 1.1.1.1 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is a candidate RP (v2)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is the Bootstrap Router (v2)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Info
source: 2.2.2.2 (?), via bootstrap, priority 0, holdtime 150<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 05:36:05, expires: 00:01:46<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s):
224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP: 2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), via bootstrap,
priority 0, holdtime 150<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 04:13:40, expires: 00:01:41<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s):
224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP: 2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me add a client in R4’s loopback0:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run
int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 116 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 4.4.4.4 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 228.28.28.28<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me test the multicast functionality by initiating a pin
from the server, R3’s loopback 3.3.3.3:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#ping
228.28.28.28<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 228.28.28.28, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.24.4, 104 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.24.4, 104 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is working fine.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me see multicast routing tables:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 00:08:39/stopped, RP 1.1.1.1, flags: SPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Serial1/1, RPF nbr
10.1.13.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(3.3.3.3, 228.28.28.28),
00:00:34/00:03:20, flags: FT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Loopback0, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Serial1/1, Forward/Sparse, 00:00:24/00:03:05</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 04:23:58/00:02:56, RP 1.1.1.1, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Serial1/1, RPF nbr
10.1.13.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
03:23:48/00:02:56<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 00:08:47/stopped, RP 1.1.1.1, flags: SP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(3.3.3.3, 228.28.28.28),
00:00:41/00:03:08, flags: TA<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Serial1/1, RPF nbr 10.1.13.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Serial1/0, Forward/Sparse, 00:00:32/00:02:57</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 05:48:59/00:02:40, RP 1.1.1.1, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Sparse,
00:11:29/00:02:49<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
05:48:59/00:02:40<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending to
MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 03:37:40/stopped, RP 2.2.2.2, flags: S<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Sparse,
03:37:40/00:02:42<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(3.3.3.3, 228.28.28.28),
00:00:34/00:03:04, flags: MT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Serial1/0, RPF nbr 10.1.12.1, <b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0;">Mbgp</span></b><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Serial1/1, Forward/Sparse, 00:00:34/00:03:04</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 05:41:29/00:02:20, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
05:41:29/00:02:20<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 05:49:05/00:02:28, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Sparse,
00:09:36/00:02:48<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
05:49:06/00:02:27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
228.28.28.28), 03:37:10/stopped, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Serial1/1, RPF nbr
10.1.24.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
03:37:10/00:02:25<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(3.3.3.3, 228.28.28.28),
00:00:05/00:02:56, flags: LJT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Serial1/1, RPF nbr 10.1.24.2, Mbgp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Sparse, 00:00:05/00:02:54</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 04:21:39/stopped, RP 2.2.2.2, flags: SJPCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Serial1/1, RPF nbr
10.1.24.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-2953473630509459922012-11-12T23:07:00.001-08:002012-11-12T23:07:08.759-08:00Multicast: Configuring RP using BSR:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Multicast: Configuring RP using BSR:<o:p></o:p></span></u></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">BSR
is the industry standard for configuring RP unlike Cisco proprietary Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">BSR
doesn’t have dense-mode groups to announce and discovery like Auto-RP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a 2 router topology to configure BSR:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1—----S1/0-----------10.1.12.0/24----------s1/0-----R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
is the BSR.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2’s
loopback 2.2.2.2 is the RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
multicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#int
ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ip
multicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int
ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ip
pim bsr-candidate loopback 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ip
pim rp-candidate loopback 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1# show ip
pim rp mapp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), via bootstrap,
priority 0, holdtime 150<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:01:02, expires: 00:01:39<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config)#do
show ip pim rp mapp<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is a candidate RP (v2)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is the Bootstrap Router (v2)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), via bootstrap,
priority 0, holdtime 150<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:52, expires: 00:01:33<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip pim
bsr-router<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIMv2
Bootstrap information<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>BSR address: 2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime:<span style="mso-spacerun: yes;">
</span>00:08:15, BSR Priority: 0, Hash mask length: 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Expires:<span style="mso-spacerun: yes;">
</span>00:01:54<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip pim
bsr-router<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIMv2
Bootstrap information<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is the Bootstrap Router (BSR)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>BSR address: 2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime:<span style="mso-spacerun: yes;">
</span>00:08:22, BSR Priority: 0, Hash mask length: 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Next bootstrap message in 00:00:38<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Candidate RP: 2.2.2.2(Loopback0)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Holdtime 150 seconds<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Advertisement interval 60 seconds<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Next advertisement in 00:00:24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me check the functionality by issuing the ping from the
server to 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
igmp join-group 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
227.27.27.27<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.12.2, 76 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is working fine.<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-24890067802482431412012-11-12T07:49:00.000-08:002012-11-12T18:14:44.498-08:00Happy Diwali!<span style="font-family: "Courier New", Courier, monospace;">Happy Diwali to you and your family!</span><br />
<span style="font-family: "Courier New", Courier, monospace;">Diwali is a major festival for us in India.</span><br />
<span style="font-family: "Courier New", Courier, monospace;">We decorate our house with lights and burst crackers.</span><br />
<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPdtfq7aIqlf0e-NC8U9IqrAeg-f11R8bbcQSkfXZ7GhaH1BQPTC9h056-wJE7AvqSNkUXnUxhwrOrMLctqz03L4f-QT6wqa1wn-b2mZjJNiiK1Bkd8bs1efaZ133htUItMJRHMhWC4os/s1600/DSC02050.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPdtfq7aIqlf0e-NC8U9IqrAeg-f11R8bbcQSkfXZ7GhaH1BQPTC9h056-wJE7AvqSNkUXnUxhwrOrMLctqz03L4f-QT6wqa1wn-b2mZjJNiiK1Bkd8bs1efaZ133htUItMJRHMhWC4os/s320/DSC02050.JPG" width="320" /></a></div>
<span style="font-family: "Courier New", Courier, monospace;">My daughter made above Designs!</span><br />
<span style="font-family: "Courier New", Courier, monospace;">Have a Safe and Colourful Diwali!</span>Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com1tag:blogger.com,1999:blog-936377189515739283.post-51212049053577108172012-11-12T00:30:00.001-08:002012-11-12T00:31:30.676-08:00Multicast: Configuring Source Specific Multicast:<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<u><span style="color: red; font-family: "Verdana","sans-serif"; mso-bidi-font-family: "Courier New";"><strong>Multicast: Configuring Source Specific Multicast:<o:p></o:p></strong></span></u></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: red; font-family: "Verdana","sans-serif"; mso-bidi-font-family: "Courier New";"><span style="color: black; font-family: Times New Roman;">
</span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">PIM-SSM
is the protocol required for configuring Source Specific Multicast.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">IGMPv3
is required to do source specific filtering<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">As
per RFC 4607, IPv4 uses 232.0.0.0 to 232.255.255.255 for Source specific
multicast destination addresses and are reserved for use by source-specific
applications and protocols.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">SSM
configuration steps:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
need to enable SSM by using “ip pim ssm default”, that means it uses default
range 232.0.0.0/8<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
we want to specify a specific range, we can use “ip pim ssm range <ACL>”
command<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Then
we need specify IGMPv3 under the client.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure SSM:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1----Ser1/0--------10.1.12.0/24-------Ser1/0-----R2<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Let me configure SSM with default range first:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config)#ip
multicast-routing<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config)#ip
pim ssm default<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config)#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config)#int
loop0<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config-if)#ip
igmp version 3<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config-if)#int
ser1/0<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1(config-if)#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config)#ip
multicast-routing<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config)#ip
pim ssm default<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config)#<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config)#int
loop0<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config-if)#ip
igmp version 3<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config-if)#ip
igmp join-group 232.2.2.2 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config-if)#<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config-if)#int
ser1/0<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me verify multicast connectivity by initiating the ping
from server 1.1.1.1:<o:p></o:p></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
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<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
232.2.2.2 source 1.1.1.1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Type
escape sequence to abort.<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Sending
1, 100-byte ICMP Echos to 232.2.2.2, timeout is 2 seconds:<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Reply
to request 0 from 10.1.12.2, 52 ms<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Reply
to request 0 from 10.1.12.2, 52 ms<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><u>Observation:<o:p></o:p></u></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is working fine.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me create SSM with acess-list:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run |
i access-li<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">access-list
1 permit 231.3.3.3<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">access-list
1 permit 231.2.2.2<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#show
run | i ssm<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: red; font-family: "Courier New"; font-size: 10pt;">ip pim ssm range 1<o:p></o:p></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run |
i access-li<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">access-list
1 permit 231.3.3.3<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">access-list
1 permit 231.2.2.2<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2#show
run | i ssm<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: red; font-family: "Courier New"; font-size: 10pt;">ip pim ssm range 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2#show
run int loop0<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Building
configuration...<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Current
configuration : 372 bytes<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">!<o:p></o:p></span></span></div>
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<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">interface
Loopback0<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip address 2.2.2.2 255.255.255.255<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip pim sparse-mode<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 232.2.2.2 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 232.3.3.3 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 232.4.4.4 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 231.2.2.2 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 235.2.2.2 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 231.3.3.3 source 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;"><span style="mso-spacerun: yes;"> </span>ip igmp version 3<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">end<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R2#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me verify multicast connectivity by initiating the ping
from server 1.1.1.1:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
231.2.2.2 source 1.1.1.1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Type
escape sequence to abort.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Sending
1, 100-byte ICMP Echos to 231.2.2.2, timeout is 2 seconds:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Reply
to request 0 from 10.1.12.2, 20 ms<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Reply
to request 0 from 10.1.12.2, 20 ms<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
231.3.3.3 source 1.1.1.1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Type
escape sequence to abort.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Sending
1, 100-byte ICMP Echos to 231.3.3.3, timeout is 2 seconds:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Reply
to request 0 from 10.1.12.2, 40 ms<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Reply
to request 0 from 10.1.12.2, 60 ms<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><u>Observation:<o:p></o:p></u></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is working fine for the source addresses that were matched with
the access-list.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me try pining from the other addresses, that were not matched by the ACL:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 232.2.2.2 source 1.1.1.1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Type
escape sequence to abort.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Sending
1, 100-byte ICMP Echos to 232.2.2.2, timeout is 2 seconds:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 232.3.3.3 source 1.1.1.1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Type
escape sequence to abort.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Sending
1, 100-byte ICMP Echos to 232.3.3.3, timeout is 2 seconds:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 235.2.2.2 source 1.1.1.1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Type
escape sequence to abort.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Sending
1, 100-byte ICMP Echos to 235.2.2.2, timeout is 2 seconds:<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="color: black;">R1#<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><u>Observation:<o:p></o:p></u></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; text-indent: -0.25in;">
<span style="color: black;"><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is is failing for the source addresses that were not matched with
the access-list.<o:p></o:p></span></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="color: black;"> </span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: black; font-family: Times New Roman;">
</span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<br /></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-17377269463577567032012-11-11T08:50:00.000-08:002012-11-11T08:50:05.905-08:00Multicast: Understanding RPF check
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 12pt; mso-bidi-font-family: "Courier New";">Multicast: Understanding RPF check<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">While
configuring multicast, we often see RPF failures<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">What
is RPF check and why it needs to be done?<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
we see the multicast functionality, PIM depends on IGP protocols to find the
best path.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">And
if multiple paths exist in the IGP and PIM is not enabled on the IGP best path,
then we have issues.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">To
avoid this, RPF check is used.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
simply to check the source, where the packet is coming from; if the router uses
the same interface to reach the source, then RPF check is pass or else it is
fail.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take 2 router topology to configure this and verify:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1----S1/0--------------------------S1/0----R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1----S1/1--------------------------S1/1----R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1-R2
– Ser1/0: 10.1.21.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1-R2
– Ser1/1: 10.1.12.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l5 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
has been configured between R1 and R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
ospf nei<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor
ID<span style="mso-spacerun: yes;"> </span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Address<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;">
</span>FULL/<span style="mso-spacerun: yes;"> </span>-<span style="mso-spacerun: yes;"> </span>00:00:34<span style="mso-spacerun: yes;"> </span>10.1.12.2<span style="mso-spacerun: yes;"> </span>Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;">
</span>FULL/<span style="mso-spacerun: yes;"> </span>-<span style="mso-spacerun: yes;"> </span>00:00:32<span style="mso-spacerun: yes;"> </span>10.1.21.2<span style="mso-spacerun: yes;"> </span>Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
route 2.2.2.2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Routing
entry for 2.2.2.2/32<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Known via "ospf 1", distance 110,
metric 65, type intra area<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last update from 10.1.21.2 on Serial1/0,
00:00:07 ago<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Routing Descriptor Blocks:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">* 10.1.21.2, from 2.2.2.2, 00:00:07 ago, via Serial1/0</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Route metric is 65, traffic share count
is 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
ospf nei<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor
ID<span style="mso-spacerun: yes;"> </span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Address<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">1.1.1.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;">
</span>FULL/<span style="mso-spacerun: yes;"> </span>-<span style="mso-spacerun: yes;"> </span>00:00:37<span style="mso-spacerun: yes;"> </span>10.1.12.1<span style="mso-spacerun: yes;"> </span>Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">1.1.1.1<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;">
</span>FULL/<span style="mso-spacerun: yes;"> </span>-<span style="mso-spacerun: yes;"> </span>00:00:34<span style="mso-spacerun: yes;"> </span>10.1.21.1<span style="mso-spacerun: yes;"> </span>Serial1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
route 1.1.1.1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Routing
entry for 1.1.1.1/32<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Known via "ospf 1", distance 110,
metric 65, type intra area<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last update from 10.1.21.1 on Serial1/0,
00:01:27 ago<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Routing Descriptor Blocks:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">* 10.1.21.1, from 1.1.1.1, 00:01:27 ago, via Serial1/0</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Route metric is 65, traffic share count
is 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OPSF
neighbor relationship is up between R1-R2 Fa0/0 and Ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
and R2 using Fa0/0 to reach each other’s loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me enable multicast (I’m using dense mode here).<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1’s
loopback 1.1.1.1 is the server and R2’s loopback 2.2.2.2 is the client<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">I’m
enabling multicast under Ser1/1, which not the best path to reach the
loopbacks.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-if)#do
show run int ser1/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 124 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip ospf cost 999<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-if)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 82 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 1.1.1.1 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do
show run int ser1/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 124 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Serial1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip ospf cost 999<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>serial restart-delay 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building
configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current
configuration : 115 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address 2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp join-group 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me verify
multicast reachability by initiating the ping from R1:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
227.27.27.27 source 1.1.1.1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Packet
sent with a source address of 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Ping
is unsuccessful</span><span style="font-family: Wingdings; font-size: 10pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">L</span></span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me check the multicast routing table to identify the problem:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:07:40/stopped, RP 0.0.0.0, flags: D<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:07:40/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
227.27.27.27), 00:03:26/00:02:54, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Loopback0, RPF nbr
0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Outgoing interface list:<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Serial1/1, Forward/Dense, 00:03:26/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 01:03:49/00:02:55, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:11:48/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:22:54/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:08:57/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:08:57/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:08:57/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
227.27.27.27), 00:00:10/00:02:49, flags: L<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Incoming interface: Null, RPF nbr 10.1.21.1<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Dense, 00:00:10/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Serial1/1, Forward/Dense, 00:00:10/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 01:03:32/00:02:52, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:11:53/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 01:02:26/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">RPF
check is failed in R2, because Ser1/0, 10.1.21.0/24 is the best path to reach
the server 1.1.1.1 and multicast is not enabled under Ser1/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
we can see in R2’s multicast routing table, incoming interface is set to NULL.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Solution
is to create multicast static route in R2, mroute through Ser1/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#conf
t<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Enter
configuration commands, one per line.<span style="mso-spacerun: yes;">
</span>End with CNTL/Z.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<span style="background: yellow; mso-highlight: yellow;">ip mroute 1.1.1.1
255.255.255.255 serial 1/1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo6; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me verify
multicast connectivity:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.12.2, 92 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.12.2, 92 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Ping
is successful</span><span style="font-family: Wingdings; font-size: 10pt; mso-ascii-font-family: "Courier New"; mso-bidi-font-family: "Courier New"; mso-char-type: symbol; mso-hansi-font-family: "Courier New"; mso-symbol-font-family: Wingdings;"><span style="mso-char-type: symbol; mso-symbol-font-family: Wingdings;">J</span></span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me check the multicast routing table:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Y
- Joined MDT-data group, y - Sending to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:00:30/stopped, RP 0.0.0.0, flags: D<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:00:30/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:00:30/00:02:31, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Loopback0, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Serial1/1, Forward/Dense, 00:00:30/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 01:17:39/00:02:08, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:25:38/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:36:44/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:22:49/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:22:49/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:22:49/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27), 00:00:37/00:02:28,
flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Serial1/1, RPF nbr 10.1.12.1, Mroute<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Dense, 00:00:37/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 01:17:24/00:02:09, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Serial1/1, Forward/Dense, 00:25:45/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 01:16:19/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">RPF
check is passed now, because, though Ser1/1 is not the best path to reach
1.1.1.1, I have created a static mroute to reach 1.1.1.1 through Ser1/1.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo5; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
we can see in R2’s multicast routing table, incoming interface is set to Ser1/1.<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-16720362213524254992012-11-10T09:03:00.002-08:002012-11-10T09:03:54.565-08:00Multicast: Sparse-Mode: Configuring Auto RP-Announce-Filter:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 12pt; mso-bidi-font-family: "Courier New";">Multicast: Sparse-Mode:
Configuring Auto RP-Announce-Filter:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a basic 3-router topology:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1---fa0/0-----fa0/0---R2----fa0/1--------fa0/1-----R3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1-R2:
10.1.12.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2-R3:
10.1.23.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
is configured between these 3 routers and they are able to reach all loopback
interfaces.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me configure R2’s loopback0 as RP for all even number of groups and<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3’s
loopback0 as RP for all odd number of groups<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">And
R1 will be the Mapping Agent<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
need to enable ip pim sparse-mode under loopback0 interface in R2 and R3.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
need to enable ip pim sparse-mode under loopback0 interface in he Mapping Agent
R1 also.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is acting as multicast server and R3’s loopback0 is acting as receiver.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config)#ip access-list standard EVEN<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
224.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
226.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
228.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
230.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
232.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
234.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
236.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#permit
238.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-std-nacl)#exit<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config)# ip pim send-rp-announce loopback 0 scope 255
group-list EVEN interval 5<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config)#ip access-list standard ODD<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
225.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
227.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
229.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
231.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
233.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
235.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
237.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#permit
239.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config)#ip pim send-rp-announce loopback 0 scope 255
group-list ODD interval 5<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#ip access-list standard EVEN<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
224.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
226.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
228.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
230.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
232.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
234.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
236.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
238.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#ip access-list standard ODD<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
225.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
227.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
229.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
231.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
233.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
235.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
237.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
239.0.0.0 0.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#exit<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#ip access-list standard R2-EVEN<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#exit<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#ip access-list standard R3-ODD<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#permit
3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-std-nacl)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip
pim send-rp-discovery scope 255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip
pim rp-announce-filter rp-list R2-EVEN group-list EVEN<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip
pim rp-announce-filter rp-list R3-ODD group-list ODD<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me check
RP mapping details:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is an RP-mapping agent<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:34, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
225.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:31, expires: 00:00:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
226.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:34, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
227.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:31, expires: 00:00:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
228.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:34, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
229.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>RP
3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:32, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
230.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:35, expires: 00:00:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
231.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:32, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
232.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:35, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
233.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:32, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
234.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:35, expires: 00:00:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
235.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:32, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
236.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:36, expires: 00:00:15<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
237.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:32, expires: 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
238.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 2.2.2.2 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:36, expires: 00:00:15<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
239.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 3.3.3.3 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:32, expires: 00:00:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is an RP (Auto-RP)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:43, expires: 00:02:20<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
225.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:40, expires: 00:02:16<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
226.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:43, expires: 00:02:19<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
227.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:40, expires: 00:02:19<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
228.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:43, expires: 00:02:17<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
229.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:40, expires: 00:02:15<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
230.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:44, expires: 00:02:17<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
231.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:40, expires: 00:02:14<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
232.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:44, expires: 00:02:19<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
233.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:40, expires: 00:02:18<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
234.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:44, expires: 00:02:18<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
235.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:41, expires: 00:02:15<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
236.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:44, expires: 00:02:19<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
237.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:41, expires: 00:02:16<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
238.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:44, expires: 00:02:17<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
239.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:41, expires: 00:02:18<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">This
system is an RP (Auto-RP)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:51, expires: 00:02:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
225.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:47, expires: 00:02:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
226.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Info
source: 10.1.12.1 (?), elected via Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:51, expires: 00:02:09<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
227.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:47, expires: 00:02:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
228.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:51, expires: 00:02:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
229.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:48, expires: 00:02:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
230.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:52, expires: 00:02:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
231.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:48, expires: 00:02:09<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
232.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:52, expires: 00:02:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
233.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:48, expires: 00:02:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
234.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:52, expires: 00:02:12<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
235.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:48, expires: 00:02:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
236.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:52, expires: 00:02:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
237.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:48, expires: 00:02:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
238.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 2.2.2.2 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:52, expires: 00:02:08<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
239.0.0.0/8<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP 3.3.3.3 (?), v2v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Info source: 10.1.12.1 (?), elected via
Auto-RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:00:48, expires: 00:02:07<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2’s
loopback0, 2.2.2.2 is RP for all even number groups<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3’s
loopback0, 3.3.3.3 is RP for all odd number groups<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1’s
loopback0 is the mapping agent<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-28191732596332525162012-11-10T08:22:00.001-08:002012-11-10T08:22:42.867-08:00Multicast: Sparse-Mode: Configuring Auto RP – Part -II
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 12pt; mso-bidi-font-family: "Courier New";">Multicast: Sparse-Mode:
Configuring Auto RP – Part -II<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: red; font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
the previous Post <a href="http://mynotesonroutingprotocols.blogspot.in/2012/11/multicast-sparse-mode-configuring-auto.html"><span style="color: windowtext;">Sparse-Mode: Configuring Auto RP – Part -I</span></a>,
we have seen how to configure Auto-RP listener Multicast.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
this post, let me configure sparse-dense mode.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#no
ip pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#no
ip pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#no
ip pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int
fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int
fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int
fa0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int
l<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#int
fa0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#no
ip pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ip
pim sparse-dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me verify
RP mappings:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip pim rp mapping<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">This system is an RP-mapping agent
(Loopback0)</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">RP 2.2.2.2 (?), v2v1<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Info source: 2.2.2.2 (?), elected via Auto-RP</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:55:54, expires: 00:02:16<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip pim rp mapping<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">This system is an RP (Auto-RP)</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">RP 2.2.2.2 (?), v2v1<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Info source: 1.1.1.1 (?), elected via Auto-RP</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:57:24, expires: 00:02:10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip pim
rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">RP 2.2.2.2 (?), v2v1<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Info source: 1.1.1.1 (?), elected via Auto-RP</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:04:48, expires: 00:02:09<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2’s
loopback0, 2.2.2.2 is elected as RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is mapping agent<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#ping
227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.23.3, 64 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is working fine.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me see multicast routing tables:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:01:22/stopped, RP 2.2.2.2, flags: SPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:01:22/00:03:27, flags: FT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Loopback0, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/0, Forward/Sparse-Dense, 00:01:22/00:03:06</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.39), 00:12:43/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse-Dense,
00:10:14/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse-Dense,
00:10:26/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(2.2.2.2,
224.0.1.39), 00:11:57/00:02:12, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse-Dense,
00:10:14/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:12:44/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse-Dense,
00:10:15/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse-Dense,
00:10:27/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
224.0.1.40), 00:12:30/00:02:24, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Loopback0, RPF nbr
0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse-Dense,
00:10:27/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>U
- URD, I - Received Source Specific Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:49:40/00:02:53, RP 2.2.2.2, flags: S<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse-Dense, 00:08:35/00:02:53<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:01:28/00:03:16, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: FastEthernet0/0, RPF nbr 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/1, Forward/Sparse-Dense, 00:01:28/00:03:01</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.39), 00:12:03/stopped, RP 0.0.0.0, flags: DC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse-Dense,
00:09:30/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse-Dense,
00:09:37/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(2.2.2.2,
224.0.1.39), 00:12:03/00:02:59, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Loopback0, RPF nbr
0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Prune/Sparse-Dense,
00:02:02/00:01:05<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse-Dense,
00:09:40/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:12:49/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse-Dense,
00:09:32/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse-Dense,
00:09:40/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
224.0.1.40), 00:12:38/00:02:19, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse-Dense,
00:09:32/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 03:46:03/stopped, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse-Dense,
00:07:19/00:02:43<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:01:35/00:02:36, flags: LJT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: FastEthernet0/1, RPF nbr 10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Sparse-Dense, 00:01:35/00:02:43</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.39), 00:12:11/stopped, RP 0.0.0.0, flags: D<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse-Dense,
00:07:26/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(2.2.2.2,
224.0.1.39), 00:02:07/00:00:52, flags: PT<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:12:53/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse-Dense,
00:07:27/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
224.0.1.40), 00:08:43/00:02:11, flags: PLTX<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">In the next post,
let’s see how to configure RP-Announce-Filter<o:p></o:p></span></b></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-40283290198848435372012-11-10T07:58:00.000-08:002012-11-10T07:58:02.542-08:00Multicast: Sparse-Mode: Configuring Auto RP – Part -I
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 12pt; mso-bidi-font-family: "Courier New";">Multicast: Sparse-Mode:
Configuring Auto RP – Part -I<o:p></o:p></span></u></b></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Sparse
mode is basically PULL technology<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Explicit
join<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">That
means, Server and client must discover dynamically each other.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
is done using RP, Rendezvous Point.<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">RP
can be configured manually or can be discovered automatically.<span style="mso-spacerun: yes;"> </span><o:p></o:p></span></div>
<br />
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">For
source registration, PIM DR will send Unicast Registration towards RP.<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">For
client registration, PIM DR will send multicast registration towards RP.<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
this post, let me configure <span style="color: #0070c0; text-transform: uppercase;">auto</span><span style="color: #0070c0;"> RP.</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Auto
RP is Cisco proprietary.<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">It mainly uses 2 multicast groups; 224.0.0.39 is used by RPs to announce
RP messages and 224.0.0.40 is used by Mapping Agents to send group-to-RP
mapping messages.</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
a router wants to learn about RP, it must join 224.0.0.39 & 224.0.0.40 and
if a router wants to join 224.0.0.39 & 224.0.0.40, it must know RP!<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
is like an egg-chicken problem!<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><u><span style="font-family: "Courier New"; font-size: 10pt;">There are 2 solutions for
this problem:<o:p></o:p></span></u></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">First solution is to use sparse-dense-mode<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
this mode, router uses sparse-mode for the groups which has an RP and it uses
dense-mode for the groups which doesn’t have an RP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">224.0.0.39
and 224.0.0.40 works in dense mode, to solve the above mentioned issue.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">But,
main problem in this mode is, it works like dense-mode if there no RP for a
particular multicast group.<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Second solution is to use Auto-RP listener command.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
command was introduced in <span style="color: black;">12.2(7).</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">When
we use Auto-RP listener, it uses dense-mode only for 224.0.0.39 and 224.0.0.40
and sparse-mode for all other groups.<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me configure these 2 options now and see:<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a basic 3-router topology:<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1---fa0/0-----fa0/0---R2----fa0/1--------fa0/1-----R3<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1-R2:
10.1.12.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2-R3:
10.1.23.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
is configured between these 3 routers and they are able to reach all loopback
interfaces.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me configure R2’s loopback 2.2.2.2 as RP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">And
R1 will be the Mapping Agent<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
need to enable ip pim sparse-mode under loopback0 interface in R2.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
need to enable ip pim sparse-mode under loopback0 interface in he Mapping Agent
R1 also.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is acting as multicast server and R3’s loopback0 is acting as receiver.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">1.<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span></b><b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configuration
using Auto-RP Listener:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 83 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2# <o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show
run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.3 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show
run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 151 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp
join-group 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2002:303:303:1::3/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configuring
RP:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">On
RP:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ip
pim send-rp-announce loopback 0 scope 255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">On Mapping
Agent:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int
loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
pim sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#exit<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip
pim send-rp-discovery loopback 0 scope 255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configuring
Auto-RP Listener:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip
pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ip
pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#ip
pim autorp listener<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Verification:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip pim rp mapping</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">This system is an RP-mapping agent
(Loopback0)</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">RP 2.2.2.2 (?), v2v1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Info source: 2.2.2.2 (?), elected via Auto-RP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:02:59, expires: 00:01:59<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip pim rp mapping<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">This system is an RP (Auto-RP)</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">RP 2.2.2.2 (?), v2v1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Info source: 1.1.1.1 (?), elected via Auto-RP</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:03:05, expires: 00:02:52<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip pim rp mapping<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s)
224.0.0.0/4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">RP 2.2.2.2 (?), v2v1<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Info source: 1.1.1.1 (?), elected via Auto-RP</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Uptime: 00:03:12, expires: 00:01:45<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2’s
loopback0, 2.2.2.2 is RP <o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1’s
loopback0, 1.1.1.1 is Mapping Agent<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo3; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Let me see some
Auto-RP debugs:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#debug ip pim auto-rp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Auto-RP debugging is on<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.139: Auto-RP(0): <span style="color: #c00000;">Received RP-announce packet </span>of length 48, from
2.2.2.2, RP_cnt 1, ht 181<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.143: Auto-RP(0): Update
(224.0.0.0/4, RP:2.2.2.2), PIMv2 v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.143: Auto-RP(0): Received
RP-announce packet of length 48, from 2.2.2.2, RP_cnt 1, ht 181<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.143: Auto-RP(0): <span style="color: #c00000;">Update (224.0.0.0/4, RP:2.2.2.2</span>), PIMv2 v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:35:28.095: Auto-RP(0): <span style="color: #c00000;">Build RP-Discovery packet</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:35:28.099: Auto-RP:<span style="mso-spacerun: yes;"> </span>Build mapping (224.0.0.0/4, RP:2.2.2.2),
PIMv2 v1,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:35:28.099: Auto-RP(0): <span style="color: #c00000;">Send RP-discovery packet </span>of length 48 on
FastEthernet0/0 (1 RP entries)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:35:28.099: Auto-RP(0): Send RP-discovery
packet of length 48 on Loopback0(*) (1 RP entries)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#u
all<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">All
possible debugging has been turned off<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#debug ip pim auto-rp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM
Auto-RP debugging is on<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.023: Auto-RP(0): <span style="color: #c00000;">Build RP-Announce for 2.2.2.2</span>, PIMv2/v1, ttl 255,
ht 181<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.023: Auto-RP(0):<span style="mso-spacerun: yes;"> </span><span style="color: #c00000;">Build announce
entry for (224.0.0.0/4)</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.027: Auto-RP(0): Send RP-Announce
packet of length 48 on FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.027: Auto-RP(0): Send RP-Announce
packet of length 48 on FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:51.027: Auto-RP(0): Send RP-Announce
packet of length 48 on Loopback0(*)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:35:28.031: Auto-RP(0): <span style="color: #c00000;">Received RP-discovery packet </span>of length 48, from
1.1.1.1, RP_cnt 1, ht 181<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:35:28.035: Auto-RP(0): <span style="color: #c00000;">Update (224.0.0.0/4, RP:2.2.2.2), </span>PIMv2 v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#debug ip pim auto-rp<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:55.423: Auto-RP(0): <span style="color: #c00000;">Received RP-discovery packet </span>of length 48, from
1.1.1.1, RP_cnt 1, ht 181<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 17:34:55.427: Auto-RP(0): <span style="color: #c00000;">Update (224.0.0.0/4, RP:2.2.2.2</span>), PIMv2 v1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me verify
Multicast working, by pinging 227.27.27.27 from R1:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
227.27.27.27<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">Reply to request 0 from 10.1.23.3, 76
ms</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
functionality is working fine.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me see
the multicast routing tables:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:00:18/stopped, RP 2.2.2.2, flags: SPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:00:18/00:03:20, flags: FT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Loopback0, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/0, Forward/Sparse, 00:00:18/00:03:11</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.39), 00:13:18/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
00:13:18/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse,
00:13:18/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(2.2.2.2, 224.0.1.39),
00:12:47/00:02:15, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: FastEthernet0/0, RPF nbr 10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Sparse, 00:12:47/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:13:19/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
00:13:19/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse,
00:13:19/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
224.0.1.40), 00:13:06/00:02:48, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Loopback0, RPF nbr
0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse,
00:13:06/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:19:27/stopped, RP 2.2.2.2, flags: S<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:13:12/00:02:32<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:00:25/00:03:08, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/1, Forward/Sparse, 00:00:25/00:03:04</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.39), 00:12:54/stopped, RP 0.0.0.0, flags: DC<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:12:54/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse,
00:12:54/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(2.2.2.2, 224.0.1.39),
00:12:54/00:02:06, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: Loopback0, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/0, Forward/Sparse, 00:12:55/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/1, Prune/Sparse, 00:01:54/00:01:09</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:13:19/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:13:19/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse,
00:13:19/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
224.0.1.40), 00:13:13/00:02:43, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:13:13/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 03:15:49/stopped, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
03:15:49/00:02:57<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:00:31/00:02:29, flags: LJT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: FastEthernet0/1, RPF nbr 10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Sparse, 00:00:31/00:02:57</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.39), 00:13:00/stopped, RP 0.0.0.0, flags: D<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:13:00/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(2.2.2.2,
224.0.1.39), 00:01:59/00:01:00, flags: PT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:13:21/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:13:21/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
224.0.1.40), 00:13:19/00:02:35, flags: PLTX<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">We will see how to configure sparse-dense mode in the next post…<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-17090499123027082552012-11-10T01:36:00.001-08:002012-11-10T01:36:39.886-08:00Multicast: Sparse-Mode: Configuring Static RP:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 12pt; mso-bidi-font-family: "Courier New";">Multicast: Sparse-Mode:
Configuring Static RP:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Sparse
mode is basically PULL technology<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Explicit
join<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">That
means, Server and client must discover dynamically each other.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
is done using RP, Rendezvous Point.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">RP
can configured manually or can be discovered automatically. <span style="mso-spacerun: yes;"> </span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">For
source registration, PIM DR will send Unicast Registration towards RP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">For
client registration, PIM DR will send multicast registration towards RP.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">In
this post, let me configure <span style="color: #0070c0;">static RP configuration</span>.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a basic 3-router topology:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1---fa0/0-----fa0/0---R2----fa0/1--------fa0/1-----R3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1-R2:
10.1.12.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2-R3:
10.1.23.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
is configured between these 3 routers and they are able to reach all loopback
interfaces.<o:p></o:p></span></div>
<br />
<div class="MsoListParagraph" style="margin: 0in 0in 10pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt; line-height: 115%;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me configure R2’s loopback 2.2.2.2 as RP<o:p></o:p></span></div>
<br />
<div class="MsoListParagraph" style="margin: 0in 0in 10pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt; line-height: 115%;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">We
need to enable ip pim sparse-mode under loopback0 interface in R2.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Also, RPF check is done against RP in sparse-mode</span><span style="font-family: "Courier New"; font-size: 10pt;">.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is acting as multicast server and R3’s loopback0 is acting as receiver.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configuration:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
run | i rp-add<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip pim rp-address 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 83 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2# <o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
run | i rp-add<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip pim rp-address 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show
run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 114 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.3 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show
run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 151 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip pim
sparse-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip igmp
join-group 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2002:303:303:1::3/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show
run | i rp-add<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">ip pim rp-address 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Verification:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
ip pim rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s): 224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP:
2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
ip pim rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s): 224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP:
2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show
ip pim rp mapping<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">PIM Group-to-RP Mappings<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Group(s): 224.0.0.0/4, Static<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>RP:
2.2.2.2 (?)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="margin: 0in 0in 10pt;">
<span style="font-family: "Courier New"; font-size: 10pt; line-height: 115%;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2
is the RP for all multicast groups.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">It
is getting reflected in all the routers properly.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let verify
multicast functionality:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
227.27.27.27<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.23.3, 120 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
sparse-mode is configured and working fine properly.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me see
multicast routing table:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:00:21/stopped, RP 2.2.2.2, flags: SP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
227.27.27.27), 00:00:21/00:03:08, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Outgoing interface list:<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/0, Forward/Sparse, 00:00:21/00:03:08</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:10:32/00:02:23, RP 2.2.2.2, flags: SJPCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/0, RPF nbr
10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:09:03/00:03:21, RP 2.2.2.2, flags: S<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:09:03/00:03:21<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:00:27/00:03:05, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: FastEthernet0/0, RPF nbr 10.1.12.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/1, Forward/Sparse, 00:00:27/00:03:21</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 07:07:55/00:03:21, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Sparse,
00:09:03/00:03:21<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Sparse,
00:10:20/00:02:18<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:09:44/stopped, RP 2.2.2.2, flags: SJCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Sparse,
00:09:45/00:02:51<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">(1.1.1.1, 227.27.27.27),
00:00:28/00:02:36, flags: LJT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Incoming interface: FastEthernet0/1, RPF nbr 10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Sparse, 00:00:28/00:02:51</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 07:04:15/00:02:11, RP 2.2.2.2, flags: SJPCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: FastEthernet0/1, RPF nbr
10.1.23.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list: Null<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-39646610509616846772012-11-09T02:38:00.001-08:002012-11-09T02:38:12.950-08:00Configuring Basic Multicast: Dense-Mode
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 12pt; mso-bidi-font-family: "Courier New";">Configuring Basic Multicast:
Dense-Mode<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a basic 3-router topology:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1---fa0/0-----fa0/0---R2----fa0/1--------fa0/1-----R3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1-R2: 10.1.12.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2-R3: 10.1.23.0/24<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
1.1.1.1 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show ip route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;"> </span>2.2.2.2
[110/11] via 10.1.12.2, 00:14:32, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>3.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>3.3.3.3 [110/21] via 10.1.12.2, 00:14:32, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>10.0.0.0/24 is subnetted, 2 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>10.1.23.0 [110/20] via 10.1.12.2, 00:14:32, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
ping 3.3.3.3<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/28/72 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
ping 2.2.2.2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/24/56 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show ip route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>1.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>1.1.1.1 [110/11] via 10.1.12.1, 00:15:17, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>3.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>3.3.3.3 [110/11] via 10.1.23.3, 00:15:17, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
ping 1.1.1.1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/20/44 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
ping 3.3.3.3<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/25/68 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.3 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>1.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>1.1.1.1 [110/21] via 10.1.23.2, 00:22:13, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2.2.2.2 [110/11] via 10.1.23.2, 00:22:13, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>10.0.0.0/24 is subnetted, 2 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>10.1.12.0 [110/20] via 10.1.23.2, 00:22:13, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
ping 2.2.2.2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/16/36 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
ping 1.1.1.1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/31/64 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNormal" style="margin: 0in 0in 10pt;">
<o:p><span style="font-family: Calibri;"> </span></o:p></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me configure Multicast:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is my server and R2 is my client.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">PIM-Dense
mode has to be enabled between R1-R2-Fa0/0 link<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">PIM-Dense
mode has to be enabled between R2-R3-Fa0/1 link<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3’s
loopback0 is the client<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ip
multicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int
fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ip
pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
multicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int
fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int
fa0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim den<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ip
pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#
ip multicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#int
fa0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ip
pim den<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ip
pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 07:29:00.438: %PIM-5-DRCHG: DR change from
neighbor 0.0.0.0 to 10.1.23.3 on interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1 07:29:28.314: %PIM-5-NBRCHG: neighbor
10.1.23.2 UP on interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#int
loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ip
pim dense-mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ip
igmp join-group 227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Verification: Initiate ping form server:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#ping
227.27.27.27<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type
escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending
1, 100-byte ICMP Echos to 227.27.27.27, timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Reply
to request 0 from 10.1.23.3, 148 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation: <o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo4; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Multicast
is working fine.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo2; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me check multicast routing table:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>U
- URD, I - Received Source Specific Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:10:08/00:02:52, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Outgoing interface list:<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/0, Forward/Dense, 00:10:08/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Y - Joined MDT-data group, y - Sending
to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:02:43/stopped, RP 0.0.0.0, flags: D<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Dense,
00:02:43/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Dense,
00:02:43/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
227.27.27.27), 00:02:43/00:02:53, flags: T<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Incoming interface: FastEthernet0/0, RPF nbr 10.1.12.1</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Outgoing interface list:<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>FastEthernet0/1, Forward/Dense, 00:02:43/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:10:22/00:02:45, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Dense,
00:06:00/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/0, Forward/Dense,
00:10:22/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip
mroute<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IP
Multicast Routing Table<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Flags:
D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>L - Local, P - Pruned, R - RP-bit set, F
- Register flag,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>T - SPT-bit set, J - Join SPT, M - MSDP
created entry,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>X - Proxy Join Timer Running, A -
Candidate for MSDP Advertisement,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U - URD, I - Received Source Specific
Host Report,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Z - Multicast Tunnel, z - MDT-data group
sender,<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Y
- Joined MDT-data group, y - Sending to MDT-data group<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Outgoing
interface flags: H - Hardware switched, A - Assert winner<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timers: Uptime/Expires<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface state: Interface, Next-Hop or VCD,
State/Mode<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
227.27.27.27), 00:04:14/stopped, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Loopback0, Forward/Dense, 00:04:14/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Dense,
00:04:14/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(1.1.1.1,
227.27.27.27), 00:02:52/00:02:35, flags: LT<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">Incoming interface: FastEthernet0/1, RPF nbr 10.1.23.2<o:p></o:p></span></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;">
</span>Loopback0, Forward/Dense, 00:02:52/00:00:00</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">(*,
224.0.1.40), 00:06:10/00:02:35, RP 0.0.0.0, flags: DCL<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Incoming interface: Null, RPF nbr 0.0.0.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Outgoing interface list:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FastEthernet0/1, Forward/Dense,
00:06:10/00:00:00<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ip pim
interface<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Address<span style="mso-spacerun: yes;"> </span>Interface<span style="mso-spacerun: yes;"> </span>Ver/<span style="mso-spacerun: yes;"> </span>Nbr<span style="mso-spacerun: yes;">
</span>Query<span style="mso-spacerun: yes;"> </span>DR<span style="mso-spacerun: yes;"> </span>DR<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>Mode<span style="mso-spacerun: yes;"> </span>Count<span style="mso-spacerun: yes;"> </span>Intvl<span style="mso-spacerun: yes;">
</span>Prior<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.12.1<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<span style="mso-spacerun: yes;"> </span>v2/D<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>30<span style="mso-spacerun: yes;"> </span>1<span style="mso-spacerun: yes;">
</span>10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ip pim
interface<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Address<span style="mso-spacerun: yes;"> </span>Interface<span style="mso-spacerun: yes;"> </span>Ver/<span style="mso-spacerun: yes;"> </span>Nbr<span style="mso-spacerun: yes;">
</span>Query<span style="mso-spacerun: yes;"> </span>DR<span style="mso-spacerun: yes;"> </span>DR<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>Mode<span style="mso-spacerun: yes;"> </span>Count<span style="mso-spacerun: yes;"> </span>Intvl<span style="mso-spacerun: yes;">
</span>Prior<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.12.2<span style="mso-spacerun: yes;"> </span>FastEthernet0/0 <span style="mso-spacerun: yes;"> </span>v2/D<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>30<span style="mso-spacerun: yes;"> </span>1<span style="mso-spacerun: yes;">
</span>10.1.12.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.23.2<span style="mso-spacerun: yes;"> </span>FastEthernet0/1<span style="mso-spacerun: yes;"> </span>v2/D<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>30<span style="mso-spacerun: yes;"> </span>1<span style="mso-spacerun: yes;">
</span>10.1.23.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ip pim
interface<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Address<span style="mso-spacerun: yes;"> </span>Interface<span style="mso-spacerun: yes;"> </span>Ver/<span style="mso-spacerun: yes;"> </span>Nbr<span style="mso-spacerun: yes;">
</span>Query<span style="mso-spacerun: yes;"> </span>DR<span style="mso-spacerun: yes;"> </span>DR<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Mode<span style="mso-spacerun: yes;"> </span>Count<span style="mso-spacerun: yes;">
</span>Intvl<span style="mso-spacerun: yes;"> </span>Prior<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">10.1.23.3<span style="mso-spacerun: yes;"> </span>FastEthernet0/1<span style="mso-spacerun: yes;"> </span>v2/D<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>30<span style="mso-spacerun: yes;"> </span>1<span style="mso-spacerun: yes;">
</span>10.1.23.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">3.3.3.3<span style="mso-spacerun: yes;"> </span>Loopback0<span style="mso-spacerun: yes;"> </span>v2/D<span style="mso-spacerun: yes;"> </span>0<span style="mso-spacerun: yes;">
</span>30<span style="mso-spacerun: yes;"> </span>1<span style="mso-spacerun: yes;"> </span>3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-17146824599842714192012-11-09T02:16:00.000-08:002012-11-09T02:16:02.291-08:00IPV6: OSPFv3 authentication:
<br />
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; mso-bidi-font-family: "Courier New";">IPV6: OSPFv3 authentication:<o:p></o:p></span></u></b></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take 2 routers to configure OSPFv3 authentication.<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: "Courier New"; font-size: 10pt;">R1---fa0/0--------------------fa0/0---R2<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int fa0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 address 2001:12::1/64<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int fa0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 address 2001:12::2/64<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Configuring
OSPF:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ipv6 router ospf 1<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#int fa0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#int loop0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 router ospf 1<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#int fa0/0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int loop0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
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<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Let me configure OSPFv3 authentication:<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ipv6 router ospf 1<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)# area 0 authentication ipsec spi 500
md5 1234567890ABCDEF1234567890ABCDEF<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#area 0 authentication ipsec spi 500
md5 1234567890ABCDEF1234567890ABCDEF<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Now, let me see if authentication is working:<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
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<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
ipv6 ospf int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">FastEthernet0/0 is up, line protocol is up<o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Link Local
Address FE80::C000:FFF:FE58:0, Interface ID 4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Area 0,
Process ID 1, Instance ID 0, Router ID 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network Type
BROADCAST, Cost: 10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">MD5 Authentication (Area) SPI
500, secure socket state UP (errors: 0)</span><o:p></o:p></span></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Transmit
Delay is 1 sec, State BDR, Priority 1<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Designated
Router (ID) 2.2.2.2, local address FE80::C001:FFF:FE58:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Backup
Designated router (ID) 1.1.1.1, local address FE80::C000:FFF:FE58:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Flush timer
for old DR LSA due in 00:00:11<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timer
intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hello due
in 00:00:01<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Index 1/1/1,
flood queue length 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Next
0x0(0)/0x0(0)/0x0(0)<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last flood
scan length is 1, maximum is 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last flood
scan time is 0 msec, maximum is 0 msec<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Neighbor
Count is 1, Adjacent neighbor count is 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Adjacent
with neighbor 2.2.2.2<span style="mso-spacerun: yes;"> </span>(Designated
Router)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Suppress
hello for 0 neighbor(s)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
ipv6 ospf nei<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>00:00:34<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
ipv6 ospf int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">FastEthernet0/0 is up, line protocol is up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Link Local
Address FE80::C001:FFF:FE58:0, Interface ID 4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Area 0,
Process ID 1, Instance ID 0, Router ID 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Network Type
BROADCAST, Cost: 10<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="background: yellow; mso-highlight: yellow;">MD5 Authentication (Area) SPI
500, secure socket state UP (errors: 0)</span><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Transmit
Delay is 1 sec, State DR, Priority 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Designated
Router (ID) 2.2.2.2, local address FE80::C001:FFF:FE58:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Backup
Designated router (ID) 1.1.1.1, local address FE80::C000:FFF:FE58:0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timer
intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hello due
in 00:00:06<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Index 1/1/1,
flood queue length 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Next
0x0(0)/0x0(0)/0x0(0)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last flood
scan length is 0, maximum is 4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last flood
scan time is 0 msec, maximum is 0 msec<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Neighbor
Count is 1, Adjacent neighbor count is 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Adjacent
with neighbor 1.1.1.1<span style="mso-spacerun: yes;"> </span>(Backup Designated
Router)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Suppress
hello for 0 neighbor(s)<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
ipv6 ospf nei<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">1.1.1.1<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:32<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observations:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Authentication
is working and the OSPFv3 neighbor relationship is up.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me see OSPFv3 routing table:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
ipv6 route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 7 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>U - Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2002:202:202:1::2/128 [110/10]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:FFF:FE58:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping
2002:202:202:1::2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:202:202:1::2,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/16/56 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show
ipv6 route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 7 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2002:101:101:1::1/128 [110/10]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C000:FFF:FE58:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#ping
2002:101:101:1::1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:101:101:1::1,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/17/56 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
and R2 are exchanging their loopback interfaces via OSPFv3 and ping is fine
between them.<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-57977759000095791902012-11-08T21:11:00.000-08:002012-11-08T21:11:00.904-08:00IPv6: Configuring Automatic 6to4 tunnels
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPv6: Configuring Automatic 6to4
tunnels<o:p></o:p></span></u></b></div>
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Automatic
6to4 tunnels are multipoint by default.<o:p></o:p></span></div>
<br />
<div class="MsoListParagraph" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
is used for IPv6/IPv4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Only
source is mentioned<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Since
the tunnel is automatic tunnel, we need not mention the tunnel destination.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
mode is set to ipv6ip 6to4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
interface is assigned with ipv6 address, which uses special addressing, 2002
followed by the translated IPv4 address of the interface on the router.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small 3 roter topology for creating 6to4 tunnels:<o:p></o:p></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVNd1S2Lo8tfucqYAPNzc2GlvIoob5NUdBSxNp53BzM7GcfKNVaGxjF7hmKYOTH2mHQEO1z5c3MZ-MXY1ghekJTlsu7scAKUizL10zyIz55DlNlzZ-TCJHDAwM5a7xt1b7lPgXXE8vlZo/s1600/IPV6-6to4-tunnels.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="197" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVNd1S2Lo8tfucqYAPNzc2GlvIoob5NUdBSxNp53BzM7GcfKNVaGxjF7hmKYOTH2mHQEO1z5c3MZ-MXY1ghekJTlsu7scAKUizL10zyIz55DlNlzZ-TCJHDAwM5a7xt1b7lPgXXE8vlZo/s320/IPV6-6to4-tunnels.png" width="320" /></a></div>
<br />
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Let
me see the configs before creating tunnels:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.1 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
1.1.1.1 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
show ip route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;"> </span>2.2.2.2
[110/11] via 10.1.12.2, 00:14:32, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>3.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>3.3.3.3 [110/21] via 10.1.12.2, 00:14:32, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>10.0.0.0/24 is subnetted, 2 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>10.1.23.0 [110/20] via 10.1.12.2, 00:14:32, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
ping 3.3.3.3<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/28/72 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config-router)#do
ping 2.2.2.2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/24/56 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show run int fa0/0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.12.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.2 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
show ip route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>1.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>1.1.1.1 [110/11] via 10.1.12.1, 00:15:17, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>3.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>3.3.3.3 [110/11] via 10.1.23.3, 00:15:17, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
ping 1.1.1.1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/20/44 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-router)#do
ping 3.3.3.3<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/25/68 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show run int fa0/1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 94 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.3 255.255.255.0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show run int loop0<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 63 bytes<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
show ip route ospf<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>1.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>1.1.1.1 [110/21] via 10.1.23.2, 00:22:13, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2.0.0.0/32 is subnetted, 1 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2.2.2.2 [110/11] via 10.1.23.2, 00:22:13, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>10.0.0.0/24 is subnetted, 2 subnets<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>10.1.12.0 [110/20] via 10.1.23.2, 00:22:13, FastEthernet0/1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
ping 2.2.2.2<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/16/36 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-router)#do
ping 1.1.1.1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout
is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/31/64 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Let me add ipv6
addresses to loop0 interfaces on all 3 routers:</span></b><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ipv6 unicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 address 2002:0101:0101:1::1/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:
<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6
address is determined as follows, 2002 followed by HEX of R1’s ipv4 loopback0
address, 1.1.1.1 in hex format is 0101:0101<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-router)#ipv6 unicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 address 2002:0202:0202:1::2/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><o:p><span style="text-decoration: none;"> </span></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:
<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6
address is determined as follows, 2002 followed by HEX of R2’s ipv4 loopback0
address, 2.2.2.2 in hex format is 0202:0202<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-router)#ipv6 unicast-routing<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ipv6 address 2002:0303:0303:1::3/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;"><o:p><span style="text-decoration: none;"> </span></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:
<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6
address is determined as follows, 2002 followed by HEX of R3’s ipv4 loopback0
address, 3.3.3.3 in hex format 0303:0303<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me create
6to4 tunnels to reach these newly added ipv6 interfaces:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#int
tun 1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 address 2002:0101:0101::1/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#tunnel source 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#tunnel mode ipv6ip 6to4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
00:39:43.359: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel1, changed
state to up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:
<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6
address is determined as follows, 2002 followed by HEX of R1’s ipv4 loopback0
address, 1.1.1.1 in hex format is 0101:0101<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int
tun1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 address 2002:0202:0202::2/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#tunnel source 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#tunnel mode ipv6ip 6to4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
00:35:18.535: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel1, changed
state to up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:
<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6
address is determined as follows, 2002 followed by HEX of R2’s ipv4 loopback0
address, 2.2.2.2 in hex format is 0202:0202<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config)#int
tun1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ipv6 address 2002:0303:0303::3/64<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#tunnel source 3.3.3.3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#tunnel mode ipv6ip 6to4<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
00:36:05.791: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel1, changed
state to up<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:
<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6
address is determined as follows, 2002 followed by HEX of R3’s ipv4 loopback0
address, 3.3.3.3 in hex format 0303:0303<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me create
default route pointing towards tunnel interface:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#ipv6 route 2002::/16 tun1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 route 2002::/16 tun1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#ipv6 route 2002::/16 tun1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><b style="mso-bidi-font-weight: normal;"><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me check
the connectivity:<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#do ping<span style="mso-spacerun: yes;"> </span>2002:0202:0202::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:202:202::2,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/25/44 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#do ping 2002:0202:0202:1::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:202:202:1::2,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 0/18/52 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#do ping 2002:0303:0303::3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:303:303::3,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/33/76 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#do ping 2002:0303:0303:1::3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:303:303:1::3,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/30/48 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is able to ping R2’s tunnel interface and loopback0 interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
is able to ping R3’s tunnel interface and loopback0 interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config)#do
ping 2002:0101:0101::1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:101:101::1,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 0/20/52 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#do ping 2002:0101:0101:1::1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:101:101:1::1,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/23/76 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#do ping 2002:0303:0303::3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:303:303::3,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/27/72 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#do ping 2002:0303:0303:1::3<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:303:303:1::3,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/17/52 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
is able to ping R1’s tunnel interface and loopback0 interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
is able to ping R3’s tunnel interface and loopback0 interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config)#do
ping 2002:0101:0101::1<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:101:101::1,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/32/84 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#do ping 2002:0101:0101:1::1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:101:101:1::1,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/26/64 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#do ping<span style="mso-spacerun: yes;">
</span>2002:0202:0202::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:202:202::2,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/24/76 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#do ping 2002:0202:0202:1::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2002:202:202:1::2,
timeout is 2 seconds:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/26/64 ms<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3
is able to ping R1’s tunnel interface and loopback0 interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3
is able to ping R2’s tunnel interface and loopback0 interface<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-83991892460610799132012-10-29T09:25:00.001-07:002012-10-29T09:25:47.934-07:00IPv6: Tunneling IPv6 over IPv6
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPv6: Tunneling IPv6 over IPv6<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure IPV6 tunneling over IPv6.<o:p></o:p></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpwaTuflMgxkP_SAodPe6d0LZX5EY43L9uE0lb1x2QDwXeZpvLFHJVP0Zb_Am2NvxipPcEw58OEn3Xd8DgrVrW0hY9bUYQ1ORmUY-EWwaqmN6VjsubGQpcZxzHVInL9bfCfbfR_3nS5bI/s1600/IPv6-Over-IPv6-Tunnel.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="192" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpwaTuflMgxkP_SAodPe6d0LZX5EY43L9uE0lb1x2QDwXeZpvLFHJVP0Zb_Am2NvxipPcEw58OEn3Xd8DgrVrW0hY9bUYQ1ORmUY-EWwaqmN6VjsubGQpcZxzHVInL9bfCfbfR_3nS5bI/s320/IPv6-Over-IPv6-Tunnel.png" width="320" /></a></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPFv3
is configured between R1 & R2 and R3 & R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">RIPng
is configured between R2 and R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l4 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
I need to connect R1 and R4’s OSPFv3 network, then I need to tunnel the IPv6
traffic through IPv6.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configs:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:1::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 ospf neighbor<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">1.1.1.1<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:4::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">4.4.4.4<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">3.3.3.3<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:31<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPFv3
is up between R1-R2 and R3-R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me configure RIPng between R2 and R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int fa0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 145 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.2 255.255.255.0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:32::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 rip
RIPng enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 113 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
2.2.2.2 255.255.255.255<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:2::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 rip
RIPng enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int fa0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 145 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
10.1.23.3 255.255.255.0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:32::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 rip
RIPng enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 113 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ip address
3.3.3.3 255.255.255.255<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:3::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 rip
RIPng enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do ping 2001:3::3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:3::3, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/12/36 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do ping 2001:2::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:2::2, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 4/24/104 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">RIPng
is configured between R2 and R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2’s
loopback 2001:2::2/64 is advertised into RIPng<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3’s
loopback 2001:3::3/64 is advertised into RIPng<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">They
are able to ping their respective loopbacks.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me create IPv6 tunnel through R2 and R3 to pass IPv6 traffic<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">I’m
going to use gre mode for the tunnel<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">This
mode is used for IPV6/IPV6.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
source, destination and interface address all are IPv6 addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me advertise it into OSPF as well<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 165 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Tunnel1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source
2001:2::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel
destination 2001:3::3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel mode
gre ipv6<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 165 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Tunnel1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source
2001:3::3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel
destination 2001:2::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel mode
gre ipv6<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Tunnel1 is up, line protocol is up<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>IPv6 is
enabled, link-local address is FE80::C001:25FF:FE30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Global
unicast address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2001:23::2, subnet is 2001:23::/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Joined group
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::5<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF00:2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1:FF30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>MTU is 1456
bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP error
messages limited to one every 100 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP
redirects are enabled<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND DAD is
enabled, number of DAD attempts: 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND reachable
time is 30000 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hosts use
stateless autoconfig for addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ipv6 int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Tunnel1 is up, line protocol is up<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>IPv6 is
enabled, link-local address is FE80::C003:25FF:FE30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Global
unicast address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2001:23::3, subnet is 2001:23::/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Joined group
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::5<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF00:3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>MTU is 1456
bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP error
messages limited to one every 100 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP
redirects are enabled<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND DAD is
enabled, number of DAD attempts: 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND reachable
time is 30000 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hosts use
stateless autoconfig for addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
is up between R2 and R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
interface is advertised into OSPFv3 as well.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me see routing tables:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show
ipv6 route<o:p></o:p></span></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:4::4/128 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:23::/64 [110/11121]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:34::/64 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 2001:4::4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:4::4, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/35/104 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:1::1/128 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:4::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:12::/64 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:23::/64 [110/11121]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:34::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:34::4/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>via ::, Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#ping 2001:1::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:1::1, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/24/72 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
has received R3-R4 link, GRE Tunnel link and R4’s loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R4
has received R1-R2 link, GRE Tunnel link and R1’s loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo5; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Ping
also successful between R1 and R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-33742672920209704172012-10-29T03:45:00.002-07:002012-10-29T08:31:24.377-07:00IPv6: Tunnelling over IPv4: Tunnel mode: gre<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPv6: Tunnelling over IPv4:
Tunnel mode: gre<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure IPV6 tunneling over IPv4.<o:p></o:p></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTYbKBnnrLfW0cNBVkNrLKtcdG0wFJhwZKGGOA06S9lQPnMd2SA38-BICa_qnwsUyAq-4OzopeQG6_yUjrChxE40ThV3wuQnvoHF9LfM4uuj_Wr5nXc6vfu4c1U_at5OZiMeSIgkt8_Cw/s1600/IPv6+Tunnels.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="192" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTYbKBnnrLfW0cNBVkNrLKtcdG0wFJhwZKGGOA06S9lQPnMd2SA38-BICa_qnwsUyAq-4OzopeQG6_yUjrChxE40ThV3wuQnvoHF9LfM4uuj_Wr5nXc6vfu4c1U_at5OZiMeSIgkt8_Cw/s320/IPv6+Tunnels.png" width="320" /></a></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPFv3
is configured between R1 & R2 and R3 & R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">IPv4
is configured between R2-R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
I need to connect R1 and R4’s IPv6 network, then I need to tunnel the IPv6
traffic through IPv4.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configs:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:1::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 ospf neighbor<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">1.1.1.1<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:4::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">4.4.4.4<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">3.3.3.3<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:31<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPFv3
is up between R1-R2 and R3-R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me create tunnel through IPv4 to send IPv6 traffic<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">I’m
going to use gre mode for the tunnel<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
<span style="font-family: "Courier New", Courier, monospace; font-size: x-small;">This</span> </span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">mode uses protocol number 47 for transporting.</span><br />
<span style="font-family: Symbol; font-size: x-small;">·</span><span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> <span style="font-family: "Courier New", Courier, monospace; font-size: x-small;">Source and destination is IPv4 address and the Tunnel interface address is configured IPv6 address.</span></span><span style="font-family: "Courier New"; font-size: 10pt;"></span><br />
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="font-family: Symbol;">·</span><span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> <span style="font-family: "Courier New", Courier, monospace; font-size: x-small;">This mode is used for IPv6/IPv4</span></span></o:p></span><br />
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p><span style="font-family: Symbol;">·</span><span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";"> <span style="font-family: "Courier New", Courier, monospace; font-size: x-small;"> We need not mention any tunnel mode</span></span></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me advertise it into OSPF as well<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 139 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;">interface Tunnel1<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source
2.2.2.2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel
destination 3.3.3.3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 139 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Tunnel1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source
3.3.3.3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel
destination 2.2.2.2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 int tunnel 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Tunnel1 is up, line protocol is up<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>IPv6 is
enabled, link-local address is FE80::C001:25FF:FE30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Global
unicast address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2001:23::2, subnet is 2001:23::/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Joined group
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::5<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF00:2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>MTU is 1476
bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP error
messages limited to one every 100 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP
redirects are enabled<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND DAD is
enabled, number of DAD attempts: 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND reachable
time is 30000 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hosts use
stateless autoconfig for addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ipv6 int tunnel 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Tunnel1 is up, line protocol is up<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>IPv6 is
enabled, link-local address is FE80::C003:25FF:FE30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Global
unicast address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2001:23::3, subnet is 2001:23::/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Joined group
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::5<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF00:3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF30:0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>MTU is 1476
bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>ICMP error messages limited to one every 100
milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP
redirects are enabled<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND DAD is
enabled, number of DAD attempts: 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND reachable
time is 30000 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hosts use
stateless autoconfig for addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [110/11131]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:23::/64 [110/11121]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:34::/64 [110/11131]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 2001:4::4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:4::4, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip min/avg/max
= 12/36/88 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:1::1/128 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:4::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:12::/64 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:23::/64 [110/11121]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:34::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:34::4/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#ping 2001:1::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:1::1, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 8/32/116 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-52841466690575221492012-10-29T03:27:00.000-07:002012-10-29T03:27:02.585-07:00IPv6: Tunnelling over IPv4: Tunnel mode: ipv6ip
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPv6: Tunnelling over IPv4:
Tunnel mode: ipv6ip<o:p></o:p></span></u></b></div>
<br />
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure IPV6 tunneling over IPv4.<o:p></o:p></span><br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEif2bZqgb5La17E4ayGzpWXhaYEWp2BV7MqCqwzClwN9o4s61GGTes7wgM5I2SnxiqiX0go9cre-pL-3a9Zmhf-8ElUZ0S4sSKrLiDCt17Iam-OHVxbNhS6C7ZfWPvfYdA-4uU2jMpI7bQ/s1600/IPv6+Tunnels.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="192" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEif2bZqgb5La17E4ayGzpWXhaYEWp2BV7MqCqwzClwN9o4s61GGTes7wgM5I2SnxiqiX0go9cre-pL-3a9Zmhf-8ElUZ0S4sSKrLiDCt17Iam-OHVxbNhS6C7ZfWPvfYdA-4uU2jMpI7bQ/s320/IPv6+Tunnels.png" width="320" /></a></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPFv3
is configured between R1 & R2 and R3 & R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">IPv4
is configured between R2-R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">If
I need to connect R1 and R4’s IPv6 network, then I need to tunnel the IPv6
traffic through IPv4.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Configs:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:1::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 ospf neighbor<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">2.2.2.2<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">1.1.1.1<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:4::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">4.4.4.4<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/DR<span style="mso-spacerun: yes;"> </span>00:00:38<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 ospf nei<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Neighbor ID<span style="mso-spacerun: yes;">
</span>Pri<span style="mso-spacerun: yes;"> </span>State<span style="mso-spacerun: yes;"> </span>Dead Time<span style="mso-spacerun: yes;"> </span>Interface ID<span style="mso-spacerun: yes;"> </span>Interface<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">3.3.3.3<span style="mso-spacerun: yes;">
</span>1<span style="mso-spacerun: yes;"> </span>FULL/BDR<span style="mso-spacerun: yes;"> </span>00:00:31<span style="mso-spacerun: yes;"> </span>4<span style="mso-spacerun: yes;"> </span>FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPFv3
is up between R1-R2 and R3-R4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me create tunnel through IPv4 to send IPv6 traffic<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">I’m
going to use IPV6iIP mode for the tunnel<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">IPV6IP
mode uses protocol number 41 for transporting.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#do show run int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 139 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Tunnel1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source
2.2.2.2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel
destination 3.3.3.3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel mode
ipv6ip<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#do show run int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 139 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Tunnel1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel source
3.3.3.3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel
destination 2.2.2.2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>tunnel mode
ipv6ip<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Tunnel1 is up, line protocol is up<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>IPv6 is
enabled, link-local address is FE80::202:202<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Global unicast
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2001:23::2, subnet is 2001:23::/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Joined group
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF00:2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF02:202<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>MTU is 1480
bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP error
messages limited to one every 100 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP
redirects are enabled<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND DAD is
enabled, number of DAD attempts: 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND reachable
time is 30000 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hosts use
stateless autoconfig for addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ipv6 int tun1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Tunnel1 is up, line protocol is up<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>IPv6 is
enabled, link-local address is FE80::303:303<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Global
unicast address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>2001:23::3, subnet is 2001:23::/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Joined group
address(es):<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>FF02::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF00:3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;">
</span>FF02::1:FF03:303<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>MTU is 1480
bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP error
messages limited to one every 100 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ICMP
redirects are enabled<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND DAD is
enabled, number of DAD attempts: 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ND reachable
time is 30000 milliseconds<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Hosts use
stateless autoconfig for addresses.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Tunnel
is up between R2 and R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me advertise the tunnel interfaces into OSPFv3 on R2 and R3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int tunnel 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
08:58:33.053: %OSPFv3-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Tunnel1 from LOADING
to FULL, Loading Done<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#int tunnel 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
03:53:55.127: %OSPFv3-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Tunnel1 from LOADING
to FULL, Loading Done<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-if)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me see R1 and R4 IPV6 routing tables:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>2001:1::1/128
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:4::4/128 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:23::/64 [110/11121]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:34::/64 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:1::1/128 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:4::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:12::/64 [110/11131]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>via FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:23::/64 [110/11121]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:34::/64 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:34::4/128 [0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#ping 2001:4::4<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:4::4, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 12/35/96 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#ping 2001:1::1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Type escape sequence to abort.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Sending 5, 100-byte ICMP Echos to 2001:1::1, timeout
is 2 seconds:<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!!!!!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Success rate is 100 percent (5/5), round-trip
min/avg/max = 12/27/64 ms<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com1tag:blogger.com,1999:blog-936377189515739283.post-36123069137155436342012-10-29T02:17:00.000-07:002012-10-29T02:17:13.964-07:00IPV6: Configuring OSPFv3 Virtual-links
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPV6: Configuring OSPFv3
Virtual-links <o:p></o:p></span></u></b></div>
<br />
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me take a small topology to configure Virtual-links in OSPFv3<o:p></o:p></span></div>
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFOUqRfm4km86SOSGn1HZNBeoXvykHGYgE4qNdgt2NoA08OvSU3vxGMl5tisji6Ixty0YrQPUpxz7WKOKUl8yef3ovjc2e77taceFYmlITQ8O3kzD5XroZkfOJQfiK5KYseyaINijInfc/s1600/OSPFv3-Virtual-Links.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="192" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFOUqRfm4km86SOSGn1HZNBeoXvykHGYgE4qNdgt2NoA08OvSU3vxGMl5tisji6Ixty0YrQPUpxz7WKOKUl8yef3ovjc2e77taceFYmlITQ8O3kzD5XroZkfOJQfiK5KYseyaINijInfc/s320/OSPFv3-Virtual-Links.png" width="320" /></a></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1-R2
link: 2001:12::0/64<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2-R3
link: 2001:23::0/64<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3-R4
link: 2001:34::0/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1’s
loopback0: 2001:1::1<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2’s
loopback0: 2001:2::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R3’s
loopback0: 2001:3::3<o:p></o:p></span></div>
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<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R4’s
loopback0: 2001:4::4<o:p></o:p></span></div>
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<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Courier New"; font-size: 10pt;">OSPF
configs:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:1::1/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 134 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:12::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 enable<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run int fa0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:2::2/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run int fa0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:23::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:3::3/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int fa0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 121 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>duplex auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>speed auto<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:34::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show run int loop0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Building configuration...<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Current configuration : 89 bytes<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">!<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">interface Loopback0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>no ip address<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 address
2001:4::4/64<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ipv6 ospf 1
area 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">end<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:3::3/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:23::/64 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 12 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span>ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext
2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C000:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:3::3/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 12 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C004:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:12::/64 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 6 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
area 0 is configured between R1-R2 link<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
area 1 is configured between R2-R3 link<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OPSF
area 2 is configured between R3-R4 link<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
is not fully converged as Area 2 is not directly coonected to Area 0.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo2; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me create a virtual link through Area 1 between R2 and R3.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#area 1 virtual-link
3.3.3.3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
07:53:39.370: %OSPFv3-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPFv3_VL0 from
LOADING to FULL, Loading Done<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3(config-rtr)#area 1 virtual-link
2.2.2.2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-rtr)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">*Mar<span style="mso-spacerun: yes;"> </span>1
02:49:01.439: %OSPFv3-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPFv3_VL0 from
LOADING to FULL, Loading Done<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3(config-rtr)#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 ospf virtual-links<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">Virtual Link
OSPFv3_VL0 to router 3.3.3.3 is up</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface ID
15, IPv6 address 2001:3::3<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Run as
demand circuit<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>DoNotAge LSA
allowed.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Transit area
1, via interface FastEthernet0/1, Cost of using 10<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Transmit
Delay is 1 sec, State POINT_TO_POINT,<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timer
intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Adjacency
State FULL (Hello suppressed)<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Index
1/2/3, retransmission queue length 0, number of retransmission 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>First
0x0(0)/0x0(0)/0x0(0) Next 0x0(0)/0x0(0)/0x0(0)<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last
retransmission scan length is 0, maximum is 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last
retransmission scan time is 0 msec, maximum is 0 msec<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ipv6 ospf virtual-links<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">Virtual Link
OSPFv3_VL0 to router 2.2.2.2 is up</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Interface ID
14, IPv6 address 2001:23::2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Run as
demand circuit<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>DoNotAge LSA
allowed.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Transit area
1, via interface FastEthernet0/1, Cost of using 10<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Transmit
Delay is 1 sec, State POINT_TO_POINT,<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Timer
intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Adjacency
State FULL (Hello suppressed)<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Index
1/1/3, retransmission queue length 0, number of retransmission 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>First
0x0(0)/0x0(0)/0x0(0) Next 0x0(0)/0x0(0)/0x0(0)<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last retransmission
scan length is 0, maximum is 0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>Last
retransmission scan time is 0 msec, maximum is 0 msec<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Virtual-link
is up between R2 and R3 through Area 1.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me see the OSPFv3 routing tables.<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 12 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:3::3/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [110/30]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:23::/64 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:23::2/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:34::/64 [110/30]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 14 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C000:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:3::3/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:34::/64 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R3#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 13 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 - ISIS
L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:4::4/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C004:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:12::/64 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:23::2/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:1, FastEthernet0/1<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R3#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R4#show ipv6 route ospf<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 12 entries<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [110/30]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI <span style="mso-spacerun: yes;"> </span>2001:2::2/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:3::3/128 [110/10]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:12::/64 [110/30]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:23::/64 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">OI<span style="mso-spacerun: yes;">
</span>2001:23::2/128 [110/20]<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C003:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R4#<o:p></o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
is fully converged now!<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-66665024049074072082012-10-28T22:49:00.001-07:002012-10-28T22:49:17.132-07:00IPv6: Route filtering in OSPFv3:
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPv6: Route filtering in OSPFv3:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">Let me configure OSPFv3 between 2 routers<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b><span style="color: red; font-family: "Courier New"; font-size: 10pt;">R1</span></b><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">----fa0/0-------------------fa0/0-----<b>R2</b><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">2001:12::1----------------------2001:12::2<o:p></o:p></span></div>
<span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;"><o:p> </o:p></span><br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">R1’s Loopback0: 2001:1::1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">R2’s loopback0: 2001:2::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l2 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">R2’s loopback1: 2001:22::22<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#router-id 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#int fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#router-id 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#int fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#int loop1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#do show ipv6 route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 8 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:2::2/128 [110/10]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:22::22/128 [110/10]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#do show ipv6 route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:1::1/128 [110/10]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C000:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:2::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::2/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:22::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::, Loopback1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:22::22/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
has been configured between R1 and R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
has advertised its loopback0 2001:1::1 into OSPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
has advertised its loopback0 2001:2::2 into OSPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
also advertised its loopback1 2001:22::2 into OSPF<o:p></o:p></span></div>
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"></span></span><br />
<span style="color: red; font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="color: red; font-family: "Courier New"; font-size: 10pt;">Now, let me filter the route 2001:2::2 from R1<o:p></o:p></span><br />
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#distribute-list prefix-list LOOP-R2
in fastEthernet 0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#</span><span style="font-family: Calibri;"> </span><span style="font-family: "Courier New"; font-size: 10pt;">ipv6 prefix-list LOOP-R2 seq 5 deny<span style="mso-spacerun: yes;"> </span>2001:2::2/128<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)# ipv6 prefix-list LOOP-R2 seq 10 permit
::/0 le 128<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Now,
let me check the routing table in R1:<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#do show ipv6 route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 7 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:22::22/128 [110/10]</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">2001:2::2
route is not there in the R1’s routing table<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0tag:blogger.com,1999:blog-936377189515739283.post-22546124621784076422012-10-28T22:27:00.000-07:002012-10-28T22:27:20.037-07:00IPv6: Configuring default-route in OSPFv3
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: red; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">IPv6: Configuring default-route
in OSPFv3<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: red; font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span><span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">Let me configure OSPFv3 between 2 routers<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b><span style="color: red; font-family: "Courier New"; font-size: 10pt;">R1</span></b><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">----fa0/0-------------------fa0/0-----<b>R2</b><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">2001:12::1----------------------2001:12::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">R1’s Loopback0: 2001:1::1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l1 level1 lfo1; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt; mso-bidi-font-weight: bold;">R2’s loopback0: 2001:2::2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#router-id 1.1.1.1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-rtr)#int fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#router-id 2.2.2.2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#int fa0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#int loop0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#ipv6 ospf 1 area 0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-if)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1#show ipv6 route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 7 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:2::2/128 [110/10]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;"> </span>via FE80::C001:25FF:FE30:0,
FastEthernet0/0</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R2#show ipv6 route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 9 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">O<span style="mso-spacerun: yes;"> </span>2001:1::1/128 [110/10]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;"><span style="mso-spacerun: yes;"> </span>via FE80::C000:25FF:FE30:0,
FastEthernet0/0</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:2::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::2/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:22::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:22::22/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">OSPF
area 0 has been configured between R1 and R2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
has advertised its loopback 0 2001:1::1 into OSPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R2
has advertised its loopback 0 2001:2::2 into OSPF<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l3 level1 lfo3; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">Let
me configure R2 so that it advertises a default-route to R1<o:p></o:p></span></div>
<br />
<div class="MsoListParagraph" style="margin: 0in 0in 0pt 0.5in;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config)#ipv6 router ospf 1<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#default-information originate always<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R2(config-rtr)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><o:p> </o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><span style="color: #0070c0; font-family: "Courier New"; font-size: 10pt;">R1(config)#do
show ipv6 route<o:p></o:p></span></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">IPv6 Routing Table - 8 entries<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>U -
Per-user Static route<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="background: yellow; font-family: "Courier New"; font-size: 10pt; mso-highlight: yellow;">OE2<span style="mso-spacerun: yes;"> </span>::/0 [110/1], tag 1</span><span style="font-family: "Courier New"; font-size: 10pt;"><o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:1::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:1::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Loopback0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">O<span style="mso-spacerun: yes;">
</span>2001:2::2/128 [110/10]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via
FE80::C001:25FF:FE30:0, FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">C<span style="mso-spacerun: yes;">
</span>2001:12::/64 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;">
</span>2001:12::1/128 [0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
FastEthernet0/0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FE80::/10
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">L<span style="mso-spacerun: yes;"> </span>FF00::/8
[0/0]<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;"><span style="mso-spacerun: yes;"> </span>via ::,
Null0<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<span style="font-family: "Courier New"; font-size: 10pt;">R1(config)#<o:p></o:p></span></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt; tab-stops: 137.25pt;">
<b style="mso-bidi-font-weight: normal;"><u><span style="color: #0070c0; font-family: "Verdana","sans-serif"; font-size: 10pt; mso-bidi-font-family: "Courier New";">Observation:<o:p></o:p></span></u></b></div>
<br />
<div class="MsoNoSpacing" style="margin: 0in 0in 0pt 0.5in; mso-list: l0 level1 lfo4; tab-stops: 137.25pt; text-indent: -0.25in;">
<span style="font-family: Symbol; font-size: 10pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font-size-adjust: none; font-stretch: normal; font: 7pt/normal "Times New Roman";">
</span></span></span><span style="font-family: "Courier New"; font-size: 10pt;">R1
now has a default-route towards R2.<o:p></o:p></span></div>
Usha Rani Phttp://www.blogger.com/profile/14622364027153961490noreply@blogger.com0