Chapter 25 L2TP VPN

25.4 L2TP VPN Configuration

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 239 VPN > L2TP VPN

The following table describes the fields in this screen.

Table 106 VPN > IPSec VPN > VPN Connection

LABEL

DESCRIPTION

Enable L2TP Over

Use this field to turn the ZyWALL’s L2TP VPN function on or off.

IPSec

 

 

 

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 Section 25.2 on page 345.

 

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.

 

 

Authentication

Select how the ZyWALL authenticates a remote user before allowing access to

Method

the L2TP VPN tunnel.

 

The authentication method has the ZyWALL check a user’s user name and

 

password against the ZyWALL’s local database, a remote LDAP, RADIUS, a

 

Active Directory server, or more than one of these. See Chapter 39 on page 541

 

for how to create authentication method objects.

 

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ZyWALL USG 1000 User’s Guide