Chapter 4 Easy Mode
ZyWALL USG Series User’s Guide
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• Rule Name: Type the name used to identify this L2TP VPN connection (and L2TP VPN gateway). You
may use 1-31 alphanumeric characters, underscores (_), or dashes (-), but the first character cannot
be a number. This value is case-sensitive.
• My Address (interface): Select one of the interfaces from the pull down menu to apply the L2TP VPN
rule.
• Pre-Shared Key: Type the password. Both ends of the VPN tunnel must use the same password. Use up
to 128 case-sensitive ASCII characters or up to 128 pairs of hexadecimal (“0-9”, “A-F”) characters.
Proceed a hexadecimal key with “0x”. You will receive a PYLD_MALFORMED (payload malformed)
packet if the same pre-shared key is not used on both ends.
Click Next to continue the wizard.
4.8.2 L2TP VPN Settings 2
Figure 102 VPN Settings for L2TP VPN Settings Wizard: L2TP VPN Settings
• IP Address Pool: Select Range or Subnet from the pull down menu. This IP address pool is used to
assign to the L2TP VPN clients.
• Starting IP Address: Enter the starting IP address in the field.
• End IP Address: Enter the ending IP address in the field.
• First DNS Server (Optional): Enter the first DNS server IP address in the field. Leave the filed as 0.0.0.0 if
you do not want to configure DNS servers. If you do not configure a DNS server you must know the IP
address of a machine in order to access it.
• Second DNS Server (Optional): Enter the second DNS server IP address in the field. Leave the filed as
0.0.0.0 if you do not want to configure DNS servers. If you do not configure a DNS server you must
know the IP address of a machine in order to access it.
• Allow L2TP traffic Through WAN: Select this check box to allow traffic from L2TP clients to go to the
Internet.
Click Next to continue the wizard.
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