description ibgp with backup peer addrouter r1 int eth1 eth 0000.0000.1111 $1a$ $1b$ int eth2 eth 0000.0000.1111 $2a$ $2b$ ! vrf def v1 rd 1:1 exit int lo0 vrf for v1 ipv4 addr 2.2.2.1 255.255.255.255 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff exit int eth1 vrf for v1 ipv4 addr 1.1.1.1 255.255.255.252 ipv6 addr 1234:1::1 ffff:ffff:: exit int eth2 vrf for v1 ipv4 addr 1.1.2.1 255.255.255.252 ipv6 addr 1234:2::1 ffff:ffff:: exit router bgp4 1 vrf v1 no safe-ebgp address uni local-as 1 router-id 4.4.4.1 neigh 1.1.1.2 remote-as 1 neigh 1.1.1.2 distance 10 neigh 1.1.2.2 remote-as 1 neigh 1.1.2.2 backup 1.1.1.2 red conn exit router bgp6 1 vrf v1 no safe-ebgp address uni local-as 1 router-id 6.6.6.1 neigh 1234:1::2 remote-as 1 neigh 1234:1::2 distance 10 neigh 1234:2::2 remote-as 1 neigh 1234:2::2 backup 1234:1::2 red conn exit ! addrouter r2 int eth1 eth 0000.0000.2222 $1b$ $1a$ int eth2 eth 0000.0000.2222 $2b$ $2a$ ! vrf def v1 rd 1:1 exit access-list test4 deny all 2.2.2.0 255.255.255.0 all any all deny all any all 2.2.2.0 255.255.255.0 all permit all any all any all exit access-list test6 deny all 4321:: ffff:ffff:ffff:ffff:ffff:ffff:ffff:0 all any all deny all any all 4321:: ffff:ffff:ffff:ffff:ffff:ffff:ffff:0 all permit all any all any all exit int lo0 vrf for v1 ipv4 addr 2.2.2.2 255.255.255.255 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff exit int eth1 vrf for v1 ipv4 addr 1.1.1.2 255.255.255.252 ipv6 addr 1234:1::2 ffff:ffff:: ipv4 access-group-in test4 ipv6 access-group-in test6 exit int eth2 vrf for v1 ipv4 addr 1.1.2.2 255.255.255.252 ipv6 addr 1234:2::2 ffff:ffff:: exit router bgp4 1 vrf v1 no safe-ebgp address uni local-as 1 router-id 4.4.4.2 neigh 1.1.1.1 remote-as 1 neigh 1.1.1.1 distance 10 neigh 1.1.2.1 remote-as 1 red conn exit router bgp6 1 vrf v1 no safe-ebgp address uni local-as 1 router-id 6.6.6.2 neigh 1234:1::1 remote-as 1 neigh 1234:1::1 distance 10 neigh 1234:2::1 remote-as 1 red conn exit ! r1 tping 100 60 1.1.1.2 vrf v1 r1 tping 100 60 1234:1::2 vrf v1 r1 tping 100 60 1.1.2.2 vrf v1 r1 tping 100 60 1234:2::2 vrf v1 r2 tping 100 60 1.1.1.1 vrf v1 r2 tping 100 60 1234:1::1 vrf v1 r2 tping 100 60 1.1.2.1 vrf v1 r2 tping 100 60 1234:2::1 vrf v1 r1 tping 0 60 2.2.2.2 vrf v1 r1 tping 0 60 4321::2 vrf v1 r2 tping 0 60 2.2.2.1 vrf v1 r2 tping 0 60 4321::1 vrf v1 r1 send conf t r1 send router bgp4 1 r1 send neigh 1.1.1.2 shut r1 send exit r1 send router bgp6 1 r1 send neigh 1234:1::2 shut r1 send end r1 tping 100 60 2.2.2.2 vrf v1 r1 tping 100 60 4321::2 vrf v1 r2 tping 100 60 2.2.2.1 vrf v1 r2 tping 100 60 4321::1 vrf v1