Zyxel USG 40 [216/438] 3 7 05 l2tp_pool 192 68 0 0 192 68 0 0

Zyxel USG 40 [216/438] 3 7 05 l2tp_pool 192 68 0 0 192 68 0 0
Chapter 31 L2TP VPN
ZyWALL / USG (ZLD) CLI Reference Guide
216
31.5 L2TP VPN Example
This example uses the following settings in creating a basic L2TP VPN tunnel. See the Web
Configurator User’s Guide for how to configure L2TP in remote user computers using Windows XP
and Windows 2000.
Figure 23 L2TP VPN Example
The ZyWALL / USG has a static IP address of 172.23.37.205 for the ge3 interface.
The remote user has a dynamic public IP address and connects through the Internet.
certificate cert_name Select the certificate to use to identify the ZyWALL / USG for L2TP VPN
connections. The certificate is used with the EAP, PEAP, and MSCHAPv2
authentication protocols. The certificate must already be configured.
[no] l2tp-over-ipsec user
user_name
Specifies the user or user group that can use the L2TP VPN tunnel. If you do not
configure this, any user with a valid account and password on the ZyWALL / USG to
log in. The no command removes the user name setting.
[no] l2tp-over-ipsec keepalive-
timer <1..180>
The ZyWALL / USG sends a Hello message after waiting this long without receiving
any traffic from the remote user. The ZyWALL / USG disconnects the VPN tunnel if
the remote user does not respond. The no command returns the default setting.
[no] l2tp-over-ipsec first-dns-
server {ip | interface_name}
{1st-dns|2nd-dns|3rd-dns}|
{ppp_interface}{1st-dns|2nd-
dns}}
Specifies the first DNS server IP address to assign to the remote users. You can
specify a static IP address, or a DNS server that an interface received from its
DHCP server. The no command removes the setting.
[no] l2tp-over-ipsec second-dns-
server {ip | interface_name}
{1st-dns|2nd-dns|3rd-dns}|
{ppp_interface}{1st-dns|2nd-
dns}}
Specifies the second DNS server IP address to assign to the remote users. You can
specify a static IP address, or a DNS server that an interface received from its
DHCP server. The no command removes the setting.
[no] l2tp-over-ipsec first-wins-
server ip
Specifies the first WINS server IP address to assign to the remote users. The no
command removes the setting.
[no] l2tp-over-ipsec second-
wins-server ip
Specifies the second WINS server IP address to assign to the remote users. The no
command removes the setting.
no l2tp-over-ipsec session
tunnel-id <0..65535>
Deletes the specified L2TP VPN tunnel.
show l2tp-over-ipsec Displays the L2TP VPN settings.
show l2tp-over-ipsec session Displays current L2TP VPN sessions.
Table 116 L2TP VPN Commands
COMMAND DESCRIPTION
LAN_SUBNET: 192.168.1.1/24
172.23.37.205
L2TP_POOL:
192.168.10.10~192.168.10.20

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