OSPFv3
OSPFv3 offer support for ipv4 and 6, there are new LSA’s types for ipv6, LSA flooding is changed as well. The changes eliminate the need for router to perform a full SPF every time a new prix is added. OSPFv3 uses protocol ID 89and routers will use the link local interface in ipv6. Base configuration is as follows
Interface gi0/0
Ipv6 address 2001::1
Ospfv3 1 ipv6 area 0
!
Router ospfv3 1
Router-id 192.168.1.1
You can verify neighbor adjacency with the following
Show ospfv3 ipv6 neighbor
Passive interfaces can be configured as follows
Router ospfv3 1
Passive-interface default
No passive interface gi0/1
To summarize routes you can use the following command
Router ospfv3 1
Address-family ipv6 unicast
Area 0 range 2001:db::1/65