ZyXEL Communications 200 Series 用户手册

 Chapter 25 L2TP VPN

ZyWALL USG 100/200 Series User’s Guide

• See 

 for related information on these screens.

• See 

 for an example of how to create a basic L2TP VPN tunnel.

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

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 

.

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.