1、配置路由器R1
<Huawei>system-view
[Huawei]sysname AR1
[AR1]int s 0/0/0
[AR1-Serial0/0/0]ip add 12.1.1.1 24
[AR1-Serial0/0/0]q
[AR1]int LoopBack 0
[AR1-LoopBack0]ip add 11.1.1.1 24
[AR1-LoopBack0]q
2、配置路由器R2
[Huawei]sysname AR2
[AR2]int s0/0/0
[AR2-Serial0/0/0]ip add 12.1.1.2 24
[AR2-Serial0/0/0]int g 0/0/0
[AR2-GigabitEthernet0/0/0]ip add 10.1.1.2 24
3、配置路由器R3
[Huawei]sysname AR3
[AR3]int g0/0/0
[AR3-GigabitEthernet0/0/0]ip add 100.1.1.3 24
[AR3]int LoopBack 0
[AR3-LoopBack0]ip add 33.1.1.1 24
4、配置路由器R4
<Huawei>system-view
[Huawei]sysname AR4
[AR4]int g 0/0/0
[AR4-GigabitEthernet0/0/0]ip add 100.1.1.4 24
[AR4]int LoopBack 0
[AR4-LoopBack0]ip add 44.1.1.1 24
5、在路由器R1上配置静态路由
[AR1]ip route-static 33.1.1.0 24 12.1.1.2
[AR1]ip route-static 100.1.1.0 255.255.255.0 12.1.1.2
6、在路由器R3上配置静态路由
[AR3]ip route-static 12.1.1.0 24 100.1.1.2
7、在路由器R2上配置静态路由
[AR2]ip route-static 33.1.1.0 24 100.1.1.3