对每台路由器的直连ip编写动态路由命令
路由器1
rip 1
network 192.168.1.0
network 10.1.1.0
undo summary
undo network 10.0.0.0
version 2
network 10.1.1.0 0.0.0.3
路由器2
rip 1
network 10.1.1.0
undo summary
undo network 10.0.0.0
version 2
network 10.1.1.0 0.0.0.3
路由器3
rip 1
network 10.1.1.0
undo summary
undo network 10.0.0.0
version 2
network 10.1.1.0 0.0.0.3