PPTP and L2TP Remote Access
The configuration of PPTP and L2TP remote access is much simpler than that of IPsec, even if you’ll be using L2TP over IPsec; this is because if you’re using IPsec with Cisco remote access clients, you have many more IKE Mode Config features than what L2TP over IPsec clients support. The configuration of both of these protocols occurs in two locations on the VPN 3000 concentrator:
Most of your configuration is done at the group level; very rarely will you have to change the global (system-wide) properties for PPTP or L2TP. The following three sections will discuss the configuration of these two protocols: group configurations for PPTP and L2TP, global configurations for PPTP, and ...