Scientific Atlanta DPR300 Series - Manual (Page 54)

How Do I Configure the Cable Modem Gateway?
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Configuring Port Forwarding for Local IP Addresses
Use the Setup Advanced Settings – Port Forwarding page to configure port
forwarding for local IP addresses. Port forwarding allows you to run a server on
the LAN by specifying the mapping of TCP/UDP ports to a local PC. You must
also set up a fixed private LAN IP address for the destination device.
If you are not familiar with the advanced settings detailed in this section,
contact your cable service provider before you attempt to change any of the
cable modem gateway default advanced port forwarding settings.
Click Port Forwarding in the Advanced Settings section of the Setup page to
access the Setup Advanced Settings – Port Forwarding page.
Setup Advanced Settings – Port Forwarding Page Example
The following illustration is an example of the Setup Advanced Settings – Port
Forwarding page.