IPv6: Generating default-route in
RIPng
·
Let me configure RIPng between 2 routers
R1----fa0/0-------------------fa0/0-----R2
2001:12::1----------------------2001:12::2
·
R1’s Loopback0: 2001:1::1
·
R2’s loopback0: 2001:2::2
R1(config-if)#do
show run int fa0/0
Building configuration...
Current configuration :
137 bytes
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address 2001:12::1/64
ipv6 enable
ipv6 rip RIPng enable
end
R1(config-if)#do
show run int loop0
Building configuration...
Current configuration : 92
bytes
!
interface Loopback0
no ip address
ipv6 address 2001:1::1/64
ipv6 rip RIPng enable
end
R1(config-if)#
R2(config)#ipv6 router rip RIPng
R2#show run int fa0/0
Building configuration...
Current configuration : 137 bytes
!
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address
2001:12::2/64
ipv6 enable
ipv6 rip
RIPng enable
end
R2#show run int loop0
Building configuration...
Current configuration : 92 bytes
!
interface Loopback0
no ip address
ipv6 address
2001:2::2/64
ipv6 rip
RIPng enable
end
R2#
R1(config-rtr)#do show ipv6 rou
IPv6 Routing Table - 8 entries
Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP
U -
Per-user Static route
I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
C
2001:1::/64 [0/0]
via ::,
Loopback0
L
2001:1::1/128 [0/0]
via ::,
Loopback0
R 2001:2::/64 [120/2]
via
FE80::C001:25FF:FE30:0, FastEthernet0/0
C
2001:12::/64 [0/0]
via ::,
FastEthernet0/0
L
2001:12::1/128 [0/0]
via ::,
FastEthernet0/0
L FE80::/10
[0/0]
via ::,
Null0
L FF00::/8
[0/0]
via ::,
Null0
R1(config-rtr)#
R2(config-if)#do show ipv6 route
IPv6 Routing Table - 9 entries
Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP
U -
Per-user Static route
I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
R 2001:1::/64 [120/2]
via
FE80::C000:25FF:FE30:0, FastEthernet0/0
C
2001:2::/64 [0/0]
via ::, Loopback0
L
2001:2::2/128 [0/0]
via ::,
Loopback0
C
2001:12::/64 [0/0]
via ::,
FastEthernet0/0
L
2001:12::2/128 [0/0]
via ::,
FastEthernet0/0
C
2001:22::/64 [0/0]
via ::,
Loopback1
L
2001:22::22/128 [0/0]
via ::,
Loopback1
L FE80::/10
[0/0]
via ::,
Null0
L FF00::/8
[0/0]
via ::,
Null0
R2(config-if)#
Observations:
·
RIPng
is configured between R1 and R2
·
R1
has advertised its loopback0 2001:1::1 into RIPng
·
R2
has advertised its loopback0 2001:2::2 into RIPng
·
Let
me configure R2 so that it generates default-route via RIPng
R2(config-rtr)#int fa0/0
R2(config-if)#ipv6 rip RIPng default-information
originate metric 2
R2(config-if)#
R1#show ipv6 route
IPv6 Routing Table - 9 entries
Codes: C - Connected, L - Local, S - Static, R -
RIP, B - BGP
U -
Per-user Static route
I1 -
ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O -
OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2
ON1 -
OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
R ::/0 [120/3]
via
FE80::C001:25FF:FE30:0, FastEthernet0/0
C
2001:1::/64 [0/0]
via ::,
Loopback0
L
2001:1::1/128 [0/0]
via ::,
Loopback0
R
2001:2::/64 [120/2]
via
FE80::C001:25FF:FE30:0, FastEthernet0/0
C
2001:12::/64 [0/0]
via ::,
FastEthernet0/0
L
2001:12::1/128 [0/0]
via ::,
FastEthernet0/0
R
2001:22::/64 [120/2]
via
FE80::C001:25FF:FE30:0, FastEthernet0/0
L FE80::/10
[0/0]
via ::,
Null0
L FF00::/8
[0/0]
via ::,
Null0
R1#
Observation:
·
Yes
R1 got the default-route from R2.
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