ZyXEL X-550 User’s Guide
Some firmware upgrades reset the router's configuration options to the factory
defaults. Before performing an upgrade, be sure to save the current configuration
from the TOOLS -> Admin screen.
Upload
Once you have a firmware update on your computer, use this option to browse for the file and then upload
the information into the router.
3.3.7 Tools - DDNS (Dynamic DNS)
The Dynamic DNS feature allows you to host a server (Web, FTP, Game Server, etc.) using a domain name
that you have purchased (www.whateveryournameis.com) with your dynamically assigned IP address.
Most broadband Internet Service Providers assign dynamic (changing) IP addresses. When you use a
Dynamic DNS service provider, your friends can enter your domain name to connect to your server, no
matter what your IP address is.
Figure 3-26 TOOLS – DDNS
Enable
Enable Dynamic DNS
Enable this option only if you have purchased your own domain name and registered with a dynamic DNS
service provider. The following paramters are displayed when the option is enabled.
Server Address
Select a dynamic DNS service provider from the pull-down list.
Host Name
Enter your host name.
Username or Key
Enter the username or key provided by your service provider. If the Dynamic DNS provider supplies only a
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