User's Manual

8.3 VPN Pass Through
VPN Pass Through is used to allow certain protocol to be tunneled through an IP network such as
PPTP and L2TP or implement secure exchange of packets at the IP Layer such as IPSec.
PPTP Pass Through Place a Check to enable PPTP protocol passes through WAN.
L2TP Pass Through Place a Check to enable L2TP protocol passes through WAN.
IPSec Pass Through Place a Check to enable IPSec protocol passes through WAN.
Accept / Cancel Press Accept to confirm the changes or Cancel to return previous
settings.
Accept does not compile the changes, you must go to Status -> Save/Load to apply the new settings.
Please refer to the chapter 4.1 for more detail.