1、底層信息配置通,
IP地址配置
R1:
interface Ethernet0/0
ip address 192.168.1.1 255.255.255.0
interface Ethernet0/1
ip address 13.0.0.1 255.255.255.0
R2:
interface Ethernet0/0
ip address 23.0.0.2 255.255.255.0
interface Ethernet0/1
ip address 192.168.2.1 255.255.255.0
R3:
interface Ethernet0/0
ip address 13.0.0.3 255.255.255.0
interface Ethernet0/1
ip address 23.0.0.3 255.255.255.0
interface Ethernet0/2
ip address 34.0.0.3 255.255.255.0
R4:
interface Ethernet0/0
ip address 34.0.0.4 255.255.255.0
PC1:
interface Loopback0
ip address 1.1.1.1 255.255.255.0
interface Ethernet0/0
ip address 192.168.1.2 255.255.255.0
PC2:
interface Loopback0
ip address 2.2.2.2 255.255.255.0
interface Ethernet0/0
ip address 192.168.2.2 255.255.255.0
2、配置路由信息
在R1和R2上面配置路由信息,實現建立隧道的雙方基於公網環境能夠互通,這裏通過在R1和R2上面配置默認路由實現。
R1:
ip route 0.0.0.0 0.0.0.0 13.0.0.3
R2:
ip route 0.0.0.0 0.0.0.0 23.0.0.3
3、配置Tunnel口
隧道接口的建立,通過[int tu 0]實現,需要制定隧道接口建立時源端是誰,以及目標端是誰,以IP地址進行表示。
R1:
interface Tunnel0
ip address 12.0.0.1 255.255.255.0
tunnel source 13.0.0.1
tunnel destination 23.0.0.2
R2:
interface Tunnel0
ip address 12.0.0.2 255.255.255.0
tunnel source 23.0.0.2
tunnel destination 13.0.0.1
4、完成路由信息,實現PC1可以和PC1互通。
在建立路由時,從R1去往對方私網2的路由,需要指定到隧道接口當中,只有從隧道接口才能實現兩個私網之間的互通。
R1:
ip route 1.1.1.0 255.255.255.0 192.168.1.2
ip route 2.2.2.0 255.255.255.0 12.0.0.2
ip route 192.168.2.0 255.255.255.0 12.0.0.2
R2:
ip route 1.1.1.0 255.255.255.0 12.0.0.1
ip route 2.2.2.0 255.255.255.0 192.168.2.2
ip route 192.168.1.0 255.255.255.0 12.0.0.1
PC1:
ip route 0.0.0.0 0.0.0.0 192.168.1.1
PC2:
ip route 0.0.0.0 0.0.0.0 192.168.2.1
5、測試結果
最終要求私網1和私網2能夠相互ping通。