crypto isakmp policy 10
 authentication pre-share
crypto isakmp key cisco address 192.168.1.197
crypto ipsec transform-set ts1 esp-aes esp-sha-hmac 
crypto ipsec profile isp1
 set transform-set ts1 
interface Tunnel1
 ip address 10.11.12.1 255.255.255.252
 tunnel source FastEthernet0/0
 tunnel destination 192.168.1.197
 tunnel mode ipsec ipv4
 tunnel protection ipsec profile isp1