VPN has several different attributes that you must configure before you can establish a VPN tunnel allowing remote users to connect. Fortunately, ASDM has a built-in wizard that steps you though exactly what needs to be done to configure your ASA/PIX Security Appliance to allow the connection of VPN clients.
This section covers two steps to configure your ASA/PIX Security Appliance for VPN connectivity:
Downloading and installing the Cisco VPN client
Using ASDM to configure VPN on the ASA/PIX Security Appliance
Cisco uses some proprietary technology in IPSec VPN, such as Dead Peer Detection, that tracks and recovers dropped VPN tunnels. Therefore, you should use only the ...