- Billion ADSL2+ Wireless Router User's Manual

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5.3.8.1 Static Route
Destination: The destination subnet IP address.
Netmask: Subnet mask of the destination IP addresses based on above destination.
Gateway: The gateway IP address to which packets are forwarded.
Interface: Select the interface through which packets are forwarded.
Cost: Represents the cost of transmission for routing purposes. The number need not
be precise, but it must be between 0 and 65535.
5.3.8.2 Dynamic DNS
The Dynamic DNS function lets you alias a dynamic IP address to a static hostname, so if
your ISP does not assign you a static IP address you can still use a domain name. This is
especially useful for hosting servers via your ADSL connection, so that anyone wishing to
connect to you may use your domain name, rather than having to use your dynamic IP
address, which changes from time to time. This dynamic IP address is the WAN IP address
of the router, which is assigned to you by your ISP.
You first need to register and establish an account with the Dynamic DNS provider using
their website, for example http://www.dyndns.org/