description ebgp with nexthop tracking interface 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 1.1.1.1 255.255.255.0 ipv6 addr 1234:1::1 ffff:: exit int eth2 vrf for v1 ipv4 addr 1.1.1.5 255.255.255.252 ipv6 addr 1234:2::1 ffff:ffff:: exit route-policy rm1 pass exit route-policy rm2 set aspath 3 3 3 pass exit router bgp4 1 vrf v1 no safe-ebgp address uni local-as 1 router-id 4.4.4.1 nexthop route-policy rm1 neigh 1.1.1.2 remote-as 2 neigh 1.1.1.2 route-policy-in rm2 neigh 1.1.1.2 route-policy-out rm2 neigh 1.1.1.6 remote-as 2 neigh 1.1.1.6 fall-over red conn exit router bgp6 1 vrf v1 no safe-ebgp address uni local-as 1 router-id 6.6.6.1 nexthop route-policy rm1 neigh 1234:1::2 remote-as 2 neigh 1234:1::2 route-policy-in rm2 neigh 1234:1::2 route-policy-out rm2 neigh 1234:2::2 remote-as 2 neigh 1234:2::2 fall-over 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 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 1.1.1.2 255.255.255.0 ipv6 addr 1234:1::2 ffff:: exit int eth2 vrf for v1 ipv4 addr 1.1.1.6 255.255.255.252 ipv6 addr 1234:2::2 ffff:ffff:: exit route-policy rm1 pass exit router bgp4 1 vrf v1 no safe-ebgp address uni local-as 2 router-id 4.4.4.2 nexthop route-policy rm1 neigh 1.1.1.1 remote-as 1 neigh 1.1.1.5 remote-as 1 neigh 1.1.1.5 fall-over red conn exit router bgp6 1 vrf v1 no safe-ebgp address uni local-as 2 router-id 6.6.6.2 nexthop route-policy rm1 neigh 1234:1::1 remote-as 1 neigh 1234:2::1 remote-as 1 neigh 1234:2::1 fall-over red conn exit ! 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 r1 tping 100 5 2.2.2.2 vrf v1 sou lo0 r1 tping 100 5 4321::2 vrf v1 sou lo0 r2 tping 100 5 2.2.2.1 vrf v1 sou lo0 r2 tping 100 5 4321::1 vrf v1 sou lo0 r1 send conf t r1 send int eth2 r1 send shut r1 send end r2 send conf t r2 send int eth2 r2 send shut r2 send end r1 tping 100 5 2.2.2.2 vrf v1 sou lo0 r1 tping 100 5 4321::2 vrf v1 sou lo0 r2 tping 100 5 2.2.2.1 vrf v1 sou lo0 r2 tping 100 5 4321::1 vrf v1 sou lo0