ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual

Page 366

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ZyWALL 2 Series User’s Guide

22-4

SMT Menu 1 – General Setup

Table 22-2 Configure Dynamic DNS

FIELD

DESCRIPTION

EXAMPLE

Offline

This field is only available when CustomDNS is selected in the
DDNS Type field. Press [SPACE BAR] and then [ENTER] to
select Yes. When Yes is selected,

http://www.dyndns.org/

traffic

is redirected to a URL that you have previously specified (see

www.dyndns.org

for details).

Yes

Edit Update IP Address:

You can select Yes in either the Use Server Detected IP field (recommended) or the User Specified IP
Address
field, but not both.

With the Use Server Detected IP and User Specified IP Address fields both set to No, the DDNS server
automatically updates the IP address of the host name(s) with the ZyWALL’s WAN IP address.

DDNS does not work with a private IP address. When both fields are set to No, the ZyWALL must have a
public WAN IP address in order for DDNS to work.

Use Server

Detected IP

Press [SPACE BAR] to select Yes and then press [ENTER] to
have the DDNS server automatically update the IP address of
the host name(s) with the public IP address that the ZyWALL
uses or is behind.

You can set this field to Yes whether the IP address is public or
private, static or dynamic.

Yes

User Specified IP

Address

Press [SPACE BAR] to select Yes and then press [ENTER] to
update the IP address of the host name(s) to the IP address
specified below.

Only select Yes if the ZyWALL uses or is behind a static public
IP address.

No

IP Address Enter the static public IP address if you select Yes in the User

Specified IP Address field.

N/A

When you have completed this menu, press [ENTER] at the prompt “Press ENTER to Confirm…” to save
your configuration, or press [ESC] at any time to cancel.

The IP address updates when you reconfigure menu 1 or perform DHCP client renewal.

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