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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