What is the correct command to set the router ID for an OSPFv3 process?

A.
router-id 1.2.3.4

B.
router-id 2011::1

C.
router-id Loopback0

D.
router-id FF02::5

Explanation:
Stub Router
ipv6 unicast-routing
ipv6 cef
!
interface serial 0/0
no ip address
ipv6 enable
ipv6 address 2001:ABAB::/64 eui-64
ipv6 ospf 1 area 2
!
ipv6 router ospf 1
router-id 3.3.3.3
area 2 stub
!
http://www.cisco.com/en/US/tech/tk872/technologies_configuration_example09186a0080b40d8a.s
html