应用情况,公司总部分总互连,重庆企业数据加密服务,都有公网IP
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 R2(config-crypto-map)#set transform-set cisco R2(config-crypto-map)#match address 101 R2路由器定义感兴趣流量 R2(config)#access-list 101 permit ip 2.2.2.0 0.0.0.255 1.1.1.0 0.0.0.255 R2路由器加密图绑定到接口 R2(config)#interface e0 R2(config-if)#crypto map cisco,重庆IT维护