crypto isakmp enable outside

crypto isakmp policy 1 

encryption 3des|des|aes

hash sha|md5

authentication pre-share|rsa-encr|rsa-sig

group 1|2|5

lifetime 120-

access-list 100-199 permit|deny ip 

crypto isakmp key abc123 address 192.168.1.1

crypto ipsec transform-set 名字 esp-des esp-sha-hmac

crypto map 名字 1 set peer 地址 

crypto map 名字 1 settransform-set 传输及名字

crypto map 名字 1 match address 100-199

crypto map 名字 interface outside