description tunnel interface with l2tp3 addrouter r1 int eth1 eth 0000.0000.1111 $1a$ $1b$ ! vrf def v1 rd 1:1 exit int eth1 vrf for v1 ipv4 addr 1.1.1.1 255.255.255.0 ipv6 addr 1234::1 ffff:: exit int tun1 tun vrf v1 tun sou eth1 tun dest 1.1.1.2 tun key 1234 tun mod l2tp3 vrf for v1 ipv4 addr 2.2.2.1 255.255.255.0 ipv6 addr 4321::1 ffff:: exit ! addrouter r2 int eth1 eth 0000.0000.2222 $1b$ $1a$ ! vrf def v1 rd 1:1 exit int eth1 vrf for v1 ipv4 addr 1.1.1.2 255.255.255.0 ipv6 addr 1234::2 ffff:ffff:: exit int tun1 tun vrf v1 tun sou eth1 tun dest 1.1.1.1 tun key 1234 tun mod l2tp3 vrf for v1 ipv4 addr 2.2.2.2 255.255.255.0 ipv6 addr 4321::2 ffff:: exit ! r1 tping 100 60 1.1.1.2 vrf v1 r2 tping 100 60 1.1.1.1 vrf v1 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