RIPv1解决不连续子网问题

Posted 2020-08-25

 解决RIPv1不连续子网的两种方法

1. 使用RIPv2手动关闭自动汇总.

2. 地址接口配置备份地址.

   
   

   这里主要讲第二种方法

             下面是拓扑图

注意事项:

配置备份地址时要加上"secondary"关键字,如果没加会导致改变主地址.

基础配置:

Barney:

conf t

ho Barney

interface Loopback0
 ip address 10.33.55.1 255.255.240.0

interface Ethernet0/0

no shut

ip address 192.168.83.24 255.255.255.0

router rip
 network 10.0.0.0
 network 192.168.83.0

Andy:

conf t

ho Andy

interface Ethernet0/0
no shut
 ip address 192.168.83.1 255.255.240.0

interface Ethernet0/2

no shut

ip address 192.168.12.65 255.255.255.224

interface Ethernet0/1
no shut
 ip address 192.168.12.195 255.255.255.224

router rip
 network 192.168.12.0
 network 192.168.83.0

Ernest:

conf t

ho Ernest

interface Ethernet0/0

no shut

ip address 192.168.12.196 255.255.255.224

interface Loopback0
ip address 10.33.35.1 255.255.240.0

router rip
 network 10.0.0.0
 network 192.168.12.0

配置完后在Andy上ping 10.33.35.1和10.33.55.1是没法ping通的

解决方法:

Barney：

interface Ethernet0/0
ip address 10.33.5.1 255.255.240.0 secondary

Andy:

interface Ethernet0/0
 ip address 10.33.5.2 255.255.240.0 secondary

interface Ethernet0/1
 ip address 10.33.75.1 255.255.240.0 secondary

router rip
 network 10.0.0.0

Ernest:

interface Ethernet0/0
 ip address 10.33.75.2 255.255.240.0 secondary

到Andy上去show ip route时路由表中出现了10.33.32.0/20和10.33.48.0/20的网段

分别是去往10.33.35.1/20和10.33.55.1/20的网段

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