Draytek Vigor 2925 Series User Manual page 296

In this page, you have to select suitable VPN type for the VPN client profile. There are
six types provided here. Different type will lead to different configuration page. After
making the choices for the client profile, please click Next. You will see different
configurations based on the selection(s) you made.
Note: The following descriptions for VPN Type are based on the Route Mode
specified in LAN-to-LAN Client Mode Selection.
When you choose PPTP (None Encryption) or PPTP (Encryption), you will see the
following graphic:
Vigor2925 Series User's Guide 284