eNSP实验：配置单区域的OSPF网络i.实验拓扑PC1:10.1.1.2 255.255.255.0 GW:10.1.1.1PC2:40.1.1.2 255.255.255.0 GW:40.1.1.1R1:undo ter mon sys sysn R1 router id 0.0.0.1 interface Ethernet 0/0/0 ip add 10.1.1.1 255.255.255.0 interface Ethernet 0/0/1 ip add 20.1.1.1 255.255.255.0 ospf enable area 0.0.0.0 q ospf 1 area 0.0.0.0 network 10.1.1.0 0.0.0.255 network 20.1.1.0 0.0.0.255 q q qsave ter monR2:undo ter mon sys sysn R2 router id 0.0.0.2 interface Ethernet 0/0/0 ip add 20.1.1.2 255.255.255.0 ospf enable area 0.0.0.0 interface Ethernet 0/0/1 ip add 30.1.1.1 255.255.255.0 ospf enable area 0.0.0.1 q ospf 1 area 0.0.0.0 network 10.1.1.0 0.0.0.255 network 20.1.1.0 0.0.0.255 area 0.0.0.1 network 30.1.1.0 0.0.0.255 network 40.1.1.0 0.0.0.255 q q q save ter monR3:undo ter mon sys sysn R3 router id 0.0.0.3 interface Ethernet 0/0/0 ip add 30.1.1.2 255.255.255.0 ospf enable area 0.0.0.1 interface Ethernet 0/0/1 ip add 40.1.1.1 255.255.255.0 q ospf 1 area 0.0.0.1 network 30.1.1.0 0.0.0.255 network 40.1.1.0 0.0.0.255 q save ter mon。