ZyWALL User's Guide

Chapter 25 L2TP VPN
ZyWALL USG 100/200 Series User’s Guide
411
Finding Out More
See Section 5.4.6 on page 115 for related information on these screens.
See Chapter 26 on page 415 for an example of how to create a basic L2TP VPN tunnel.
25.2 L2TP VPN Screen
Click VPN > L2TP VPN to open the following screen. Use this screen to configure the
ZyWALL’s L2TP VPN settings.
" Disconnect any existing L2TP VPN sessions before modifying L2TP VPN
settings. The remote users must make any needed matching configuration
changes and re-establish the sessions using the new settings.
Figure 297 VPN > L2TP VPN
The following table describes the fields in this screen.
Table 131 VPN > IPSec VPN > VPN Connection
LABEL DESCRIPTION
Enable L2TP Over
IPSec
Use this field to turn the ZyWALL’s L2TP VPN function on or off.
VPN Connection Select the IPSec VPN connection the ZyWALL uses for L2TP VPN. All of the
configured VPN connections display here, but the one you use must meet the
requirements listed in IPSec Configuration Required for L2TP VPN on page 410.
Note: Modifying this VPN connection (or the VPN gateway that it
uses) disconnects any existing L2TP VPN sessions.
IP Address Pool Select the pool of IP addresses that the ZyWALL uses to assign to the L2TP VPN
clients. Select Create Object to configure a new pool of IP addresses.