一、实验拓扑
二、实验划分
三、实验需求
如上图所示;
四、实验结果
1、先配IP
R1:
[r1-GigabitEthernet0/0/0]ip ad 192.168.1.5 24
[r1-GigabitEthernet0/0/0]inter g0/0/1
[r1-GigabitEthernet0/0/1]ip ad 100.1.1.1 24
[r2-GigabitEthernet0/0/0]ip ad 100.1.1.2 24
[r2-GigabitEthernet0/0/0]inter g0/0/1
[r2-GigabitEthernet0/0/1]ip ad 100.2.2.1 24
R3:
[r3-GigabitEthernet0/0/0]ip ad 100.2.2.2 24
[r3-GigabitEthernet0/0/0]inter g0/0/1
[r3-GigabitEthernet0/0/1]ip ad 192.168.2.5 24
pc1:
pc2:
2、搞通公网、私网
两边私网各自是通的;
R1和R3配缺省路由。
R1:
[r1]ip route-static 0.0.0.0 0 100.1.1.2
R3:
[r3]ip route-static 0.0.0.0 0 100.2.2.1
3、在公网通基础上创建GRE VPN
配置隧道接口:
R1:
[r1]inter tunnel 0/0/0
[r1-Tunnel0/0/0]ip ad 192.168.3.1 24
R3:
[r3]inter tunnel 0/0/0
[r3-Tunnel0/0/0]ip ad 192.168.3.3 24
R1:
[r1-Tunnel0/0/0]tunnel-protocol gr
[r1-Tunnel0/0/0]tunnel-protocol gre
[r1-Tunnel0/0/0]sou 100.1.1.1
[r1-Tunnel0/0/0]dest 100.2.2.2
R3:
[r3-Tunnel0/0/0]tunnel-protocol gre
[r3-Tunnel0/0/0]sou 100.2.2.2
[r3-Tunnel0/0/0]dest 100.1.1.1
4、配置路由协议传递两端私网路由
我使用的静态,也可以使用动态
R1:
[r1]ip route-static 192.168.2.0 24 192.168.3.3
R3:
[r3]ip route-static 192.168.1.0 24 192.168.3.1
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