Configuring MLPPP over Frame-relay:
Configuration:
R1#show run
!
!
interface
Multilink1
ip address 10.1.1.1 255.255.255.0
ppp multilink
ppp multilink group 1
!
!
interface
Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay interface-dlci 102 ppp
Virtual-Template1
no frame-relay inverse-arp
!
interface
Serial1/1
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay interface-dlci 103 ppp
Virtual-Template1
no frame-relay inverse-arp
!
!
interface
Virtual-Template1
no ip address
ppp multilink
ppp multilink group 1
!
R2# show run
!
interface
Multilink1
ip address 10.1.1.2 255.255.255.0
ppp multilink
ppp multilink group 1
!
interface
Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay interface-dlci 201 ppp
Virtual-Template1
no frame-relay inverse-arp
!
interface
Serial1/1
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay interface-dlci 301 ppp
Virtual-Template1
no frame-relay inverse-arp
!
interface
Virtual-Template1
no ip address
ppp multilink
ppp multilink group 1
!
R1#show ip int
bri
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES unset
administratively down down
FastEthernet0/1 unassigned YES unset
administratively down down
Serial1/0 unassigned YES unset
up up
Serial1/1 unassigned YES unset
up up
Serial1/2 unassigned YES unset
administratively down down
Serial1/3 unassigned YES unset
administratively down down
Multilink1 10.1.1.1 YES manual up up
Virtual-Access1 unassigned YES unset
up up
Virtual-Template1 unassigned YES unset
down down
Virtual-Access2 unassigned YES unset
down down
Virtual-Access3 unassigned YES TFTP
up up
R1#
R1#ping
10.1.1.2
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 10.1.1.2, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 4/38/100 ms
R1#ping
10.1.1.1
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 4/33/136 ms
R1#
R2#show ip int
bri
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 unassigned YES unset
administratively down down
FastEthernet0/1 unassigned YES unset
administratively down down
Serial1/0 unassigned YES unset
up up
Serial1/1 unassigned YES unset
up up
Serial1/2 unassigned YES unset
administratively down down
Serial1/3 unassigned YES unset
administratively down down
Multilink1 10.1.1.2 YES manual up up
Virtual-Access1 unassigned YES unset
up up
Virtual-Template1 unassigned YES unset
down down
Virtual-Access2 unassigned YES unset
down down
Virtual-Access3 unassigned YES TFTP
up up
Virtual-Access4 unassigned YES TFTP
down down
R2#
R2#ping
10.1.1.1
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 4/30/72 ms
R2#
R2#ping
10.1.1.2
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 10.1.1.2, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 8/40/156 ms
R2#
Observations:
·
We
first need to create multilink interface
·
IP
address needs to be configured under multilink interface
·
Then,
we need to tie this multilink interface to the virtual-template.
·
Then,
we need to tie this virtual-template to the interfaces
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