Chapter 33 L2TP VPN
ZyWALL/USG Series User’s Guide
600
Figure 429 Configuration > VPN > L2TP VPN
The following table describes the fields in this screen.
Table 224 Configuration > VPN > L2TP VPN
LABEL DESCRIPTION
Show Advanced
Settings / Hide
Advanced Settings
Click this button to display a greater or lesser number of configuration fields.
Create new Object Use to configure any new settings objects that you need to use in this screen.
Enable L2TP Over
IPSec
Use this field to turn the ZyWALL/USG’s L2TP VPN function on or off.
VPN Connection Select the IPSec VPN connection the ZyWALL/USG 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 598.
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/USG uses to assign to the L2TP VPN
clients. Use Create new Object if you need to configure a new pool of IP addresses.
This should not conflict with any WAN, LAN, DMZ or WLAN subnet even if they are not in
use.
Authentication
Method
Select how the ZyWALL/USG authenticates a remote user before allowing access to the
L2TP VPN tunnel.
The authentication method has the ZyWALL/USG check a user’s user name and password
against the ZyWALL/USG’s local database, a remote LDAP, RADIUS, a Active Directory
server, or more than one of these.
Authentication
Server Certificate
Select the certificate to use to identify the ZyWALL/USG for L2TP VPN connections. You
must have certificates already configured in the My Certificates screen. The certificate is
used with the EAP, PEAP, and MSCHAPv2 authentication protocols.
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