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Chapter 31 L2TP VPN
ZyWALL USG 300 User’s Guide
546
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 543.
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. Use Create new Object if you need to configure a
new pool of IP addresses.
Authentication
Method
Select how the ZyWALL authenticates a remote user before allowing
access to 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 45 on page 759 for how to create authentication method
objects.
Allowed User The remote user must log into the ZyWALL to use the L2TP VPN tunnel.
Select a user or user group that can use the L2TP VPN tunnel. Use
Create new Object if you need to configure a new user account (see
Section 40.2.1 on page 718 for details). Otherwise, select any to allow
any user with a valid account and password on the ZyWALL to log in.
Keep Alive
Timer
The ZyWALL sends a Hello message after waiting this long without
receiving any traffic from the remote user. The ZyWALL disconnects the
VPN tunnel if the remote user does not respond.
First DNS Server
Second DNS
Server
Specify the IP addresses of DNS servers to assign to the remote users.
You can specify these IP addresses two ways.
Custom Defined - enter a static IP address.
From ISP - use the IP address of a DNS server that another interface
received from its DHCP server.
First WINS
Server, Second
WINS Server
The WINS (Windows Internet Naming Service) server keeps a mapping
table of the computer names on your network and the IP addresses
that they are currently using.
Type the IP addresses of up to two WINS servers to assign to the
remote users. You can specify these IP addresses two ways.
Apply Click Apply to save your changes in the ZyWALL.
Reset Click Reset to return the screen to its last-saved settings.
Table 140 Configuration > VPN > IPSec VPN > VPN Connection (continued)
LABEL DESCRIPTION