VPN: Clearing IPSEC Tunnels

As per the IPSEC Checklist and Best Practices, whenever changes are going to be done to live IPSEC tunnels, it is a good practice to turn off the tunnels.

Cisco IOS Router:
clear crypto isakmp []
clear crypto sa entry

Cisco PIX 6.X / 7.X:
clear crypto isakmp sa
clear crypto ipsec sa

VPN Concentrator 3000:
Administration --> Administer Sessions --> Logout link of tunnel