配置GRE 隧道 使私网主机192.168.0.1/24、172.16.0.1/24间可以相互访问(正常时私网路由在公网中不传播)
拓扑如图
注意:
在AR2与AR3间建立隧道,把私网封装在公网地址里面。首先应保证AR2 Ge0/0/0 与 AR3 Ge0/0/0 IP互通(AR2--AR1--AR3路由互通)
1、在 AR2上配置静态路由 与其他配置
ip route-static 13.0.0.0 255.0.0.0 12.0.0.1(注意:下一跳若配置成ge0/0/0,虽有13.0.0.0的路由,但是ping不通13.0.0.0,需开ARP-proxy)
ip route-static 172.16.0.0 255.255.255.0 Tunnel0/0/1(走GRE的目的地址)
interface GigabitEthernet0/0/0 ip address 12.0.0.2 255.0.0.0
interface GigabitEthernet0/0/1 ip address 192.168.0.1 255.255.255.0
interface GigabitEthernet0/0/2
interface NULL0
interface Tunnel0/0/1 ip address 2.0.0.2 255.0.0.0 tunnel-protocol gre source 12.0.0.2 destination 13.0.0.2
ip route-static 13.0.0.0 255.0.0.0 12.0.0.1 ip route-static 172.16.0.0 255.255.255.0 Tunnel0/0/1
2、AR3 路由器配置
interface GigabitEthernet0/0/0 ip address 13.0.0.2 255.0.0.0
interface GigabitEthernet0/0/1 ip address 172.16.0.1 255.255.255.0
interface GigabitEthernet0/0/2
interface NULL0
interface Tunnel0/0/1 ip address 2.0.0.3 255.0.0.0 tunnel-protocol gre source 13.0.0.2 destination 12.0.0.2
ip route-static 12.0.0.0 255.0.0.0 13.0.0.1 ip route-static 192.168.0.0 255.255.255.0 Tunnel0/0/1
作者:yiluyangguang1234 来源:CSDN 原文:https://blog.csdn.net/yiluyangguang1234/article/details/51831995 版权声明:本文为博主原创文章,转载请附上博文链接!