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GRE实验_wx627255bd4ac6d的技术博客_51CTO博客
source link: https://blog.51cto.com/u_15624911/5343031
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实验要求：
配置GRE协议，完成全网互通。
实验环境：
实验配置：
（省略部分代码，可参见其他博客）
端口配置：
config terminal
int e0/0
ip address 10.0.12.2 255.255.255.0
no shutdown
int e0/1
ip address 192.168.1.254 255.255.255.0
no shutdown
exit
int e0/0
ip address 10.0.12.2 255.255.255.0
no shutdown
int e0/1
ip address 192.168.1.254 255.255.255.0
no shutdown
exit
config terminal
int e0/0
ip address 10.0.23.2 255.255.255.0
no shutdown
int e0/1
ip address 192.168.2.254 255.255.255.0
no shutdown
exit
int e0/0
ip address 10.0.23.2 255.255.255.0
no shutdown
int e0/1
ip address 192.168.2.254 255.255.255.0
no shutdown
exit
基本路由配置：
router ospf 1
network 192.168.1.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
exit
ip route 0.0.0.0 0.0.0.0 10.0.12.1
network 192.168.1.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
exit
ip route 0.0.0.0 0.0.0.0 10.0.12.1
router ospf 1
network 192.168.2.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
exit
ip route 0.0.0.0 0.0.0.0 10.0.23.1
network 192.168.2.0 0.0.0.255 area 0
network 192.168.13.0 0.0.0.255 area 0
exit
ip route 0.0.0.0 0.0.0.0 10.0.23.1
GRE配置：
int tunnel 0
tunnel source e0/0
tunnel destination 10.0.23.2
tunnel mode gre ip
ip address 192.168.13.1 255.255.255.0
tunnel key 123456
no shutdown
exit
tunnel source e0/0
tunnel destination 10.0.23.2
tunnel mode gre ip
ip address 192.168.13.1 255.255.255.0
tunnel key 123456
no shutdown
exit
int tunnel 0 #进入端口
tunnel source e0/0 #配置源端口
tunnel destination 10.0.12.2 #配置目的IP
tunnel mode gre ip #配置模式
ip address 192.168.13.2 255.255.255.0
tunnel key 123456 #配置密码
no shutdown
exit
tunnel source e0/0 #配置源端口
tunnel destination 10.0.12.2 #配置目的IP
tunnel mode gre ip #配置模式
ip address 192.168.13.2 255.255.255.0
tunnel key 123456 #配置密码
no shutdown
exit
查看配置结果：
配置完成，实验结束。
（如有疏漏，还请读者指出）
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