A.show ip route B.show ip neighbour C.show ip ospf virtual-link D.show ip ospf adjacency
A.192.168.145.129―――192.168.145.190 B.192.168.145.161―――192.168.145.175 C.192.168.145.160―――192.168.145.191 D.192.168.145.161―――192.168.145.190