Refer to the exhibit.
Which additional configuration is necessary for R1 and R2 to become OSPF neighbors?
A.
R1
!
router ospf 1
no passive-interface Fastethernet0/0
!
B.
R2
!
router ospf 10
no network 10.1.1.6 0.0.0.0 area 0
network 10.1.1.6 0.0.0.0 area 1
!
C.
R1
!
interface FastEthernet0/0
ip ospf mtu-ignore
!
R2
!
interface FastEthernet0/1
ip ospf mtu-ignore
!
D.
R1
!
no router ospf 1
router ospf 10
network 10.1.1.5 0.0.0.0 area 0
The ‘passive-interface default’ configuration under the OSPF process means that the router will not send or listen for OSPF Hellos on any interface by default, unless an explicit exception is configured. I.e. ‘no passive-interface Fa0/0’.