ZyXEL Communications 200 Series User Manual

 Chapter 15 DDNS

ZyWALL USG 100/200 Series User’s Guide

The DDNS Add/Edit screen allows you to add a domain name to the ZyWALL or to edit the 
configuration of an existing domain name. Click Network > DDNS and then an Add or Edit 
icon to open this screen.

Figure 209   Network > DDNS > Add

Backup 
Interface/IP

This field displays the alternate interface to use for updating the IP address 
mapped to the domain name followed by how the ZyWALL determines the IP 
address for the domain name. The ZyWALL uses the backup interface and IP 
address when the primary interface is disabled, its link is down or its ping check 
fails.
from interface - The IP address comes from the specified interface.
auto detected -The DDNS server checks the source IP address of the packets 
from the ZyWALL for the IP address to use for the domain name.
custom - The IP address is static.

Add icon

This column provides icons to add, edit, and remove domain names.
To add a domain name, click the Add icon at the top of the column. The DDNS 
Add/Edit screen appears.
To activate or deactivate a domain name entry, click the entry’s Active icon. Make 
sure you click Apply to save and apply the change. 
To edit a domain name, click the Edit icon next to the domain name. The DDNS 
Add/Edit screen appears.
To delete a domain name, click on the Remove icon next to the ISP account. The 
web configurator confirms that you want to delete the account before doing so.

Apply

Click this button to save your changes to the ZyWALL. 

Reset

Click this button to return the screen to its last-saved settings. 

Table 101   Network > DDNS (continued)