hey, i have the same problem and indeed typing ip worked successfully. thanx. 

Hi; i am facing the same issue, a site-to-site vpn between cisco 3945 router and Fortigate config :crypto isakmp policy 100 encr 3des authentication pre-share group 2!crypto ipsec transform-set VPN-SET esp-3des esp-sha-hmac  mode tunnel!crypto map CR...