Enabling OSPFv3

1. Enter the configure terminal command to access global configuration mode.
   

   device# configure terminal

2. Enter the ip router-id command to specify the router ID.
   

   device(config) ip router-id 10.11.12.13

3. Enter the ipv6 router ospf command to enter OSPFv3 router configuration mode and enable OSPFv3 on the device.
   

   device(config)# ipv6 router ospf

The following example enables OSPFv3 on a device.

device# configure terminal
device(config)# ip router-id 10.11.12.13
device(config)# ipv6 router ospf 
device(config-ipv6-router-ospf-vrf-default-vrf)#