Ddns - Planet Networking & Communication ICA-5260V User Manual

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ICA-5260V

5.2.5 DDNS

DDNS: Stands for Dynamic Domain Name Server
The device supports DDNS If your device is connected to xDSL directly; you might need this feature.
However, if your device is behind a NAT router, you will not need to enable this feature. Because
DDNS allows the device to use an easier way to remember naming format rather than an IP address.
The name of the domain is like the name of a person, and the IP address is like his phone number.
On the Internet we have IP numbers for each host (computer, server, router, and so on), and we
replace these IP numbers to easily remember names, which are organized into the domain name.
As to xDSL environment, most of the users will use dynamic IP addresses. If users want to set up a
web or an FTP server, then the Dynamic Domain Name Server is necessary. For more DDNS
configuration, please consult your dealer.
Your Internet Servic e Provider (ISP) provides you with at least one IP address which you use to
connect to the Inter net. The address you get may be static, meaning it never changes, or dynamic,
en it changes, depends on your ISP. A
meaning it's likely to change periodically. Just how oft
dynamic IP address complicates remote access since you may not know what your current WAN IP
address is when you want to access your network over the Internet. The solution to the dynamic IP
address problem comes in the form of a dynamic DNS service.
The Internet uses DNS servers to look up domain names and translates them into IP addresses.
s
Domain names are just easy to remember aliases for IP addresses. A dynamic DNS service i
unique because it provides a means of updating your IP address so that your listing will rema in
current when your IP address changes. There are several excellent DDNS serv ices available on the
Internet and best of all th ey're free to use. One such service you can use is www.DynDNS.org. You'll
need to register with t he service and set up the domain name of your choice to begin using it. Please
refer to the home page of the service for detail ed instructions or refer to Appendix E for more
in formation. And the other is Planet easy DDNS, which is free fo r Planet's customers. The default is
en abled with Planet easy DDNS. The hostname content contains pl plus the last six MAC address.
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