description ospf md5 authentication addrouter r1 int eth1 eth 0000.0000.1111 $1a$ $1b$ ! vrf def v1 rd 1:1 exit router ospf4 1 vrf v1 router 4.4.4.1 area 0 ena red conn exit router ospf6 1 vrf v1 router 6.6.6.1 area 0 ena red conn exit int lo1 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:: router ospf4 1 ena router ospf4 1 password tester router ospf4 1 authen-id 123 router ospf4 1 authen-type md5 router ospf6 1 ena exit ! addrouter r2 int eth1 eth 0000.0000.2222 $1b$ $1a$ ! vrf def v1 rd 1:1 exit router ospf4 1 vrf v1 router 4.4.4.2 area 0 ena red conn exit router ospf6 1 vrf v1 router 6.6.6.2 area 0 ena red conn exit int lo1 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:: router ospf4 1 ena router ospf4 1 password tester router ospf4 1 authen-id 123 router ospf4 1 authen-type md5 router ospf6 1 ena exit ! r1 tping 100 40 2.2.2.2 vrf v1 r1 tping 100 40 4321::2 vrf v1 r2 tping 100 40 2.2.2.1 vrf v1 r2 tping 100 40 4321::1 vrf v1 r2 output show ipv4 ospf 1 nei r2 output show ipv6 ospf 1 nei r2 output show ipv4 ospf 1 dat 0 r2 output show ipv6 ospf 1 dat 0 r2 output show ipv4 ospf 1 tre 0 r2 output show ipv6 ospf 1 tre 0 r2 output show ipv4 route v1 r2 output show ipv6 route v1