R1
en conf t int f0/0 ip add 10.0.0.1 255.255.255.252 no sh int f0/1 ip add 192.168.1.1 255.255.255.0 no sh exit router ospf 1 router-id 1.1.1.1 network 10.0.0.0 0.0.0.3 area 0 network 192.168.1.0 0.0.0.255 area 0
R2
en conf t int f0/0 ip add 10.0.0.5 255.255.255.252 no sh int f0/1 ip add 10.0.0.2 255.255.255.252 no sh int f1/0 ip add 10.0.0.9 255.255.255.252 no sh exit router ospf 1 router-id 2.2.2.2 network 10.0.0.0 0.0.0.3 area 0 network 10.0.0.4 0.0.0.3 area 0 network 10.0.0.8 0.0.0.3 area 0
R3
en conf t int f0/0 ip add 10.0.0.10 255.255.255.252 no sh int f0/1 ip add 192.168.2.1 255.255.255.0 no sh exit router ospf 1 router-id 3.3.3.3 networl 192.168.2.0 0.0.0.255 area 0 network 10.0.0.8 0.0.0.3 area 0
R0
en conf t int f0/0 ip add 10.0.0.6 255.255.255.252 no sh int f0/1 ip add 192.168.3.1 255.255.255.0 no sh exit router ospf 1 router-id 4.4.4.4 network 192.168.3.0 0.0.0.255 area 0 network 10.0.0.4 0.0.0.3 area 0
查看路由表
show ip route
