D-Link DI-308 - Manual (Page 73)

DI-308 ISDN Remote Router
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The parameters are described as follows:
•
Global IP – This is a single, global IP Address that is valid on the Internet, or on
the same subnet of the global interface.
•
Local IP – This is a single, local IP Address that is not valid on the Internet.
Static NAPT
This screen (below) is how the NAT IP Pool appears, if Static NAPT was chosen for
the Translation Mode parameter. Each entry in this configuration can be used to map
a global address and port to a local address and port. Notice that the global address
will be the external IP address of the global interface.