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实验命令
R4 en conf t int f0/0 ip add 10.0.0.2 255.255.255.252 no sh int loopback 0 ip add 192.168.3.1 255.255.255.0 no sh exit ip route 0.0.0.0 0.0.0.0 10.0.0.1 R3 en conf t int f0/0 ip add 10.0.0.5 255.255.255.252 no sh int f0/1 ip add 10.0.0.1 255.255.255.252 no sh exit ip route 192.168.3.0 255.255.255.0 10.0.0.2 router ospf 1 router-id 3.3.3.3 network 10.0.0.4 0.0.0.3 area 1 router ospf 1 redistribte static subnets redistribute connected subnets R1 int f0/0 ip add 10.0.0.6 255.255.255.252 no sh int f0/1 ip add 172.16.31..2 255.255.255.252 no sh int f1/0 ip add 10.0.0.9 255.25.255.252 no sh exit router ospf 1 router-id 1.1.1.1 network 10.0.0.8 0.0.0.3 area 0 network 10.0.0.4 0.0.0.3 area 1 exit ip route 0.0.0.0 0.0.0.0 172.16.31.1 R2 en conf t int f0/0 ip add 10.0.0.10 255.255.255.252 no sh int f0/1 ip add 192.168.100.1 255.255.255.0 no sh exit router ospf 1 router-id 2.2.2.2 network 10.0.0.8 0.0.0.3 area 0 exit router rip network 192.168.100.0 router ospf 1 redistribute rip stbnets exit router rip redistribute ospf 1 metric 9 R5 int f0/0 ip add 192.168.100.2 255.255.255.0 no sh int loopback 0 ip add 192.168.2.1 255.255.255.0 no sh exit router rip network 192.168.100.0 network 192.168.2.0 R6 en conf t int f0/0 ip add 172.16.31.1 255.255.255.252 no sh int loopback 0 ip add 59.56.61.1 255.255.255.0 no sh exit ip route 0.0.0.0 0.0.0.0 172.16.31.2
OSPF路由协议是用于网际协议(IP)网络的链路状态路由协议。该协议使用链路状态路由算法的内部网关协议(IGP)，在单一自治系统(AS)内部工作。适用于IPv4的OSPFv2协议定义于RFC 2328 ，RFC 5340 定义了适用于IPv6的OSPFv3。
