ZyXEL Communications ZyXEL ZyWALL 2WG - Manual (Page 381)

Chapter 21 DNS
ZyWALL 2WG User’s Guide
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If you have a private WAN IP address, then you cannot use Dynamic DNS.
21.10.2 High Availability
A DNS server maps a domain name to a port's IP address. If that WAN port loses its
connection, high availability allows the router to substitute another port's IP address for the
domain name mapping.
21.11 Configuring Dynamic DNS
To change your ZyWALL’s DDNS, click ADVANCED > DNS > DDNS. The screen appears
as shown.
Figure 215 ADVANCED > DNS > DDNS
The following table describes the labels in this screen.
Table 138 ADVANCED > DNS > DDNS
LABEL DESCRIPTION
Account Setup
Active Select this check box to use dynamic DNS.
Service Provider This is the name of your Dynamic DNS service provider.