拓扑图：
R1配置
en 进入特权模式
conf t 进入全局配置模式
hostname R1 修改路由器名称为R1
no ip domain-lookup 去除域名解析
int s1/0
ip addr 192.168.1.1 255.255.255.0
no shutdown
clock rate 64000
int s1/1
ip addr 192.168.2.1 255.255.255.0
clock rate 64000
no shutdown
int f0/0
ip addr 192.168.3.1 255.255.255.0
no shutdown
int l0
ip addr 192.168.4.1 255.255.255.0
no shutdown
exit
router rip
version 2
no auto-summary
network 192.168.1.0
network 192.168.2.0
network 192.168.3.0
network 192.168.4.0
exit
ip route 192.168.5.0 255.255.255.0 192.168.3.2 123
R2配置
en 进入特权模式
conf t 进入全局配置模式
hostname R2 修改路由器名称为R2
no ip domain-lookup 去除域名解析
int s1/0
ip addr 192.168.1.2 255.255.255.0
no shutdown
clock rate 64000
int s1/1
ip addr 192.168.2.2 255.255.255.0
clock rate 64000
no shutdown
int f0/0
ip addr 192.168.3.2 255.255.255.0
no shutdown
int l0
ip addr 192.168.5.1 255.255.255.0
no shutdown
exit
router rip
version 2
no auto-summary
network 192.168.1.0
network 192.168.2.0
network 192.168.3.0
network 192.168.4.0
exit
ip route 192.168.4.0 255.255.255.0 192.168.3.1 123