Which two of these steps are minimum requirements to configure OSPFv3 under IPv6? (Choose
two.
A.
Configure a routing process using the command ipv6 router ospf [process-id].
B.
Add the network statement for the interfaces on which OSPF will run.
C.
Configure OSPF on the interface that it will run on.
D.
Use the passive-interface command on the interfaces on which OSPF should not run.
E.
Enable routing.
Explanation:
The first step to configure OSPFv3 under IPv6 is to enable IPv6 unicast routing:
R1(config)# ipv6 unicast-routing
Also we need to enable the OSPF process:
R1(config)# ipv6 router ospf 1
There are a few changes in configuring OSPFv3 vs OSPF for IPv4. Instead of using the “network”
and “area” commands in ospf router configuration mode you now configure OSPFv3 on a per
interface basis using the ipv6 ospf area command in interface configuration mode. For example:
R1(config)# interface fa0/0
R1(config-if)# ipv6 ospf 1 area 0
Note: The “network” command does not exist in OSPFv3.http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-ospf.html#wp1070061
Note: You will see under the section how to implement ospf for ipv6 it only has 1 REQUIRED thing
configure interface and in the comments it says that OSPF IPV6 routing is disabled by default.