description sgt isdn encapsulation addrouter r1 int ser1 ser - $1a$ $1b$ ! vrf def v1 rd 1:1 exit int ser1 vrf for v1 enc isdn ipv4 addr 1.1.1.1 255.255.255.0 ipv6 addr 1234::1 ffff:: sgt ena exit ! addrouter r2 int ser1 ser - $1b$ $1a$ ! vrf def v1 rd 1:1 exit int ser1 enc isdn isdn mode dce vrf for v1 ipv4 addr 1.1.1.2 255.255.255.0 ipv6 addr 1234::2 ffff:: sgt ena exit ! r1 tping 100 5 1.1.1.2 vrf v1 r2 tping 100 5 1.1.1.1 vrf v1 r1 tping 100 5 1234::2 vrf v1 r2 tping 100 5 1234::1 vrf v1