ensp小实验——浮动路由

依靠优先级来保证多路径的连通性。

#AR1中
<Huawei>u t m
<Huawei>sys
[Huawei]sys r1
[r1]int g0/0/1 
[r1-GigabitEthernet0/0/1]ip add 192.168.3.1 24
[r1-GigabitEthernet0/0/1]int g0/0/0 
[r1-GigabitEthernet0/0/0]ip add 192.168.1.254 24
[r1-GigabitEthernet0/0/0]int g0/0/2
配置端口ID（）PVID
[r1-GigabitEthernet0/0/2]ip add 192.168.5.1 24
[r1]ip route-static 192.168.2.0 24 192.168.3.2
[r1]ip route-static 192.168.4.0 24 192.168.3.2
添加下一跳
[r1]ip route-static 192.168.2.0 24 192.168.5.2 preference 50
设置路径优先级
#AR2中
<Huawei>u t m
<Huawei>sys
[Huawei]undo inf    
[Huawei]undo info-center en 
[Huawei]undo info-center enable 
[Huawei]sys r2
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 192.168.3.2 24
[r2-GigabitEthernet0/0/0]int g0/0/1
[r2-GigabitEthernet0/0/1]ip add 192.168.4.1 24
[r2-GigabitEthernet0/0/1]q
[r2]ip route-static 192.168.1.0 24 192.168.3.1
[r2]ip route-static 192.168.2.0 24 192.168.4.2
​
#AR3中
<Huawei>u t m
<Huawei>sys
[Huawei]sys r3
[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip add 192.168.4.2 24
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip add 192.168.2.254 24
[r3-GigabitEthernet0/0/1]int g0/0/2
[r3-GigabitEthernet0/0/2]ip add 192.168.5.2 24
[r3-GigabitEthernet0/0/2]q
[r3]ip route-static 192.168.3.0 24 192.168.4.1
[r3]ip route-static 192.168.1.0 24 192.168.4.1
[r3]ip route-static 192.168.1.0 24 192.168.5.2 pref 
[r3]ip route-static 192.168.1.0 24 192.168.5.2 preference 50
Error: The next-hop address is invalid.
[r3]ip route-static 192.168.1.0 24 192.168.5.1 preference 50
​

测试一下连通性

删除一条路径，尝试连通性