rip
ipv6 unicast-routing interface Serial1/1 no ip address ipv6 address 2001:2::1/64 ipv6 rip lp enable serial restart-delay 0
show ipv6 route show ipv6 rip debug ipv6 rip
ping [ipv6] 2001:33::3 ping 2001:33::3 ping [ipv6] 2001:33::3 source loopback 0
ospf
ipv6 unicast-routing ipv6 router ospf 1 r2(config-rtr)#router-id 2.2.2.2
ipv6 ospf 1 area 0
show ipv6 route ospf clear ipv6 route * show ipv6 ospf interface show ipv6 ospf neighbor