思科路由器站点到站点。
R1路由器上连通性配置
R1(config)#interface e0
R1(config-if)#ip address 10.1.1.1 255.255.255.0
R1(config-if)#no shutdown
R1(config)#interface e1
R1(config-if)#ip address 1.1.1.1 255.255.255.0
R1(config-if)#no shutdown
R1(config)#ip route 0.0.0.0 0.0.0.0 10.1.1.2
R2路由器上连通性配置
R2(config)#interface e0
R2(config-if)#ip address 1.1.1.2 255.255.255.0
R2(config-if)#no shutdown
R2(config)#interface e1
R2(config-if)#ip address 2.2.2.2 255.255.255.0
R2(config-if)#no shutdown
R2(config)#ip route 0.0.0.0 0.0.0.0 10.1.1.1
R1路由器IpSec配置
R1(config)#crypto isakmp enable (optional)默认启用
R1路由器IpSec isakmp 配置(阶段一的策略)
R1(config)#crypto isakmp policy 10
R1(config-isakmp)#hash md5
R1(config-isakmp)#authentication pre-shared
R1(config-isakmp)#encryption 3des
R1(config-isakmp)#group 2
R1路由器Pre-Share认证配置
R1(config)#crypto isakmp key cisco address 10.1.1.2
R1路由器IpSec变换集配置(阶段二的策略)
R1(config)#crypto ipsec transform-set cisco esp-3des esp-md5-hmac R1 (cfg-crypto-trans)#mode tunnel
R1路由器加密图的配置
R1(config)#crypto map cisco10 ipsec-isakmp
R1(config-crypto-map)#set peer 10.1.1.2
R1(config-crypto-map)#set transform-set cisco
R1(config-crypto-map)#match address 101
R1路由器定义感兴趣流量
R1(config)#access-list 101 permit ip 1.1.1.0 0.0.0.255 2.2.2.0 0.0.0.255 R1路由器加密图绑定到接口
R1(config)#interface e0
R1(config-if)#crypto map cisco
4、R2路由器IpSec配置
R2(config)#crypto isakmp enable (optional)默认启用
R2路由器IpSec isakmp 配置(阶段一的策略)
R2(config)#crypto isakmp policy 10
R2(config-isakmp)#hash md5
R2(config-isakmp)#authentication pre-share
R2(config-isakmp)#encryption 3des
R2(config-isakmp)#group 2
R2路由器Pre-Share认证配置
R2(config)#crypto isakmp key cisco address 10.1.1.1
R2路由器IpSec变换集配置(阶段二的策略)
R2(config)#crypto ipsec transform-set cisco esp-3des esp-md5-hmac
R2(cfg-crypto-trans)#mode tunnel
R2路由器加密图的配置
R2(config)#crypto map cisco 10 ipsec-isakmp
R2(config-crypto-map)#set peer 10.1.1.1
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