192.168.0.0/24
R1-------------------------------------------R2
loop0 1.1.1.1 loop 0 2.2.2.2
255.255.255.0 255.255.255.0
R1路由器配置
router rip
version 2
no auto-summary
network 1.1.1.0
network 192.168.0.0
R2路由器配置
router rip
version 2
no auto-summary
network 2.2.2.0
network 192.168.0.0