路由 6/20

路由分类

直连路由：路由器接口直连的网段形成的路由信息

非直连路由：

1）静态路由：由管理员手动为路由器指定路由信息

2）动态路由：由路由器通过路由协议学习到的路由信息

静态路由配置

1.

 u t m
Info: Current terminal monitor is off.
sy
Enter system view, return user view with Ctrl+Z.
[Huawei]sy r1    改名r1
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add    
[r1-GigabitEthernet0/0/0]ip address 192.168.1.254 24   配置0/0/0接口ip
[r1-GigabitEthernet0/0/0]q
[r1]int g0/0/1
[r1-GigabitEthernet0/0/1]ip add    
[r1-GigabitEthernet0/0/1]ip address 192.168.3.1 24    配置0/0/1接口ip
[r1-GigabitEthernet0/0/1]

手动指定路由信息

[r1]ip route-st    
[r1]ip route-static 192.168.2.0 24 192.168.3.2    
                     目标网络号    子网掩码        下一跳

路由器r2

u t m
Info: Current terminal monitor is off.
sy
Enter system view, return user view with Ctrl+Z.
[Huawei]sy r2
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add    

[r2-GigabitEthernet0/0/0]ip address 192.168.2.254 24     配置0/0/0接口ip
[r2-GigabitEthernet0/0/0]q
[r2]int g 0/0/1
[r2-GigabitEthernet0/0/1]ip add    
[r2-GigabitEthernet0/0/1]ip address 192.168.3.2 24    配置0/0/1接口ip
[r2-GigabitEthernet0/0/1]
sy
Enter system view, return user view with Ctrl+Z.

手动指定路由信息
[r2]ip ro    
[r2]ip route-    
[r2]ip route-static 192.168.1.0 24 192.168.3.1

                      目标网络号    子网掩码        下一跳

2.

3.

 [R1]ip rou    
[R1]ip route
[R1]ip route-static 192.168.30.0 24 192.168.20.2
[R1]ip rou    
[R1]ip route
[R1]ip route-static 192.168.40.0 24 192.168.20.2

[R2]ip rou    
[R2]ip route
[R2]ip route-static 192.168.40.0 24 192.168.30.2
[R2]ip route-static 192.168.10.0 24 192.168.20.1
 

[R3]ip rou    
[R3]ip route
[R3]ip route-static 192.168.20.0 24 192.168.30.1
[R3]ip rou    
[R3]ip route
[R3]ip route-static 192.168.10.0 24 192.168.30.1
  

测试连通性

其中
[R1]ip route-static 192.168.30.0 24 192.168.20.2
[R1]ip route-static 192.168.40.0 24 192.168.20.2

可以用[R1]ip route-static 0.0.0.0 0 192.168.20.2   默认路由

[R3]ip route-static 192.168.20.0 24 192.168.30.1
[R3]ip route-static 192.168.10.0 24 192.168.30.1
可以用[R3]ip route-static 0.0.0.0 0 192.168.30.1   默认路由

默认路由的隐患       路由环路

 单臂路由

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