An engineer configured a company's multiple area OSPF Head Office router and Site A Cisco routers with VRF lite. Each site router is connected to a PE router of an MPLS backbone: Head Office & Site A ip cef ip vrf abc rd 101:101 ! interface FastEthernet0/0 ip vrf forwarding abc ip address 172.16.16.X 255.255.255.252 ! router ospf 1 vrf abc log-adjacency-changes network 172.16.16.0 0.0.0.255 area 1 After finishing both site router configurations, none of the LSA 3, 4, 5, and 7 are installed at Site A router.
A. configure capability vrf-lite on Site A and its connected PE router under router ospf 1 vrf abc
B. configure capability vrf-lite on both PE routers connected to Head Office and Site A routers under router ospf 1 vrf abc C