
1.R1基本配置:
R1(config)#interface loopback0
R1(config-if)#ip address 10.1.1.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#interface serial0
R1(config-if)#ip address 192.168.1.1 255.255.255.252
R1(config-if)#clock rate 000
R1(config-if)#no shutdown
R1(config-if)#exit
2.定义感兴趣流量与路由协议:
R1(config)#access-list 100 permit ip 10.1.1.0 0.0.0.255 10.2.2.0 0.0.0.255
R1(config)#ip route 0.0.0.0 0.0.0.0 serial0
3.全局启用ISAKMP并定义对等体及其PSK(预共享密钥):
R1(config)#crypto isakmp enable
R1(config)#crypto isakmp key 0 91lab address 192.168.1.2
4.定义IKE策略:
R1(config)#crypto isakmp policy 10
R1(config-isakmp)#encryption des /---默认是DES加密---/
R1(config-isakmp)#hash sha /---默认是SHA-1---/
R1(config-isakmp)#authentication pre-share
R1(config-isakmp)#group 2 /---默认是768位的DH1---/
R1(config-isakmp)#lifetime 3600 /---默认是800秒---/
R1(config-isakmp)#exit
5.定义IPSec转换集(transform set):
R1(config)#crypto ipsec transform-set tt esp-des esp-sha-hmac
R1(cfg-crypto-trans)#mode tunnel
R1(cfg-crypto-trans)#exit
6.定义crypto map并应用在接口上:
R1(config)#crypto map cisco 10 ipsec-isakmp
R1(config-crypto-map)#match address 100
R1(config-crypto-map)#set peer 192.168.1.2 /---定义要应用crypto map的对等体地址---/
R1(config-crypto-map)#set transform-set tt /---定义crypto map要应用的IPsec转换集---/
R1(config-crypto-map)#exit
R1(config)#interface serial0
R1(config-if)#crypto map cisco
R1(config-if)#end
R1#
1.R2基本配置
R2(config)#interface loopback0
R2(config-if)#ip address 10.2.2.1 255.255.255.0
R2(config-if)#no shutdown
R2(config-if)#interface serial0
R2(config-if)#ip address 192.168.1.2 255.255.255.252
R2(config-if)#clock rate 000
R2(config-if)#no shutdown
R2(config-if)#exit
2.定义感兴趣流量与路由协议:
R2(config)#access-list 100 permit ip 10.2.2.0 0.0.0.255 10.1.1.0 0.0.0.255
R2(config)#ip route 0.0.0.0 0.0.0.0 serial0
3.全局启用ISAKMP并定义对等体及其PSK(预共享密钥):
R2(config)#crypto isakmp enable
R2(config)#crypto isakmp key 0 91lab address 192.168.1.1
4.定义IKE策略:
R2(config)#crypto isakmp policy 10
R2(config-isakmp)#encryption des /---默认是DES加密---/
R2(config-isakmp)#hash sha /---默认是SHA-1---/
R2(config-isakmp)#authentication pre-share
R2(config-isakmp)#group 2 /---默认是768位的DH1---/
R2(config-isakmp)#lifetime 3600 /---默认是800秒---/
R2(config-isakmp)#exit
5.定义IPSec转换集(transform set):
R2(config)#crypto ipsec transform-set tt esp-des esp-sha-hmac
R2(cfg-crypto-trans)#mode tunnel
R2(cfg-crypto-trans)#exit
6.定义crypto map并应用在接口上:
R2(config)#crypto map cisco 10 ipsec-isakmp
R2(config-crypto-map)#match address 100
R2(config-crypto-map)#set peer 192.168.1.1 /---定义要应用crypto map的对等体地址---/
R2(config-crypto-map)#set transform-set tt /---定义crypto map要应用的IPsec转换集---/
R2(config-crypto-map)#exit
R2(config)#interface serial0
R2(config-if)#crypto map cisco
R2(config-if)#end
验证命令如下:
Show crypto ipsec transform-set
Show crypto map
Show crypto ipsec sa
Show crypto isakmp policy
Show crypto isakmp sa
