【问题2】
crypto isakmp policy 1 //配置ike策略1
authentication pre-share //ike策略1的验证方法设为pre_share
group 2 //加密算法未设置则取默认值:des
crypto isakmp key test123 address 202.96.1.2 //设置pre-share密钥为test123，此值两端需一致
crypto ipsec transform-set vpntag ah-md5-hmac esp-des //设置ah散列算法为md5，esp加密算法为des
crypto map vpndemp 10 ipsec-isakmp //定义crypto map
set peer 202.96.1.2 //设置隧道对端ip地址
set transform-set vpntag //设置隧道ah及esp
match address 101
!
interface tunnel0 //定义隧道接口
ip address 192.168.1.1 255.255.255.0 //隧道端口ip地址
no ip directed-broadcast
tunnel source 202.96.1.1 //隧道源端地址
tunnel destination 202.96.1.2 //隧道目标端地址
crypto map vpndemo //应用vpndemo于此接口
interface serial0/0
ip address 202.96.1.1 255.255.255.252 //串口的internet ip地址
no ip directed-broadcast
crypto map vpndemo //应用vpndemo于此端口
!
interface ethernet0/1
ip address 168.1.1.1 255.255.255.0 //外部端口ip地址
no ip directed-broadcast
interface ethernet0/0
ip address 172.22.1.100 255.255.255.0 //内部端口ip地址
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 202.96.1.2 //默认静态路由
ip route 172.22.2.0 255.255.0.0 192.168.1.2 //到内网静态路由（经过隧道）
access-lost 101 permit gre host 202.96.1.1 host 202.96.1.2 //定义访问控制列表 |
