Belkin F5D9230-4 User Manual page 75

Using the Web-Based Advanced User Interface
Enabling/Disabling NAT (Network Address Translation)
Note: This advanced feature should be employed by advanced
users only.
Before enabling this function, MAKE SURE YOU HAVE SET THE
ADMINISTRATOR PASSWORD. Network Address Translation (NAT) is
the method by which the Router shares the single IP address assigned
by your ISP with the other computers on your network. This function
should only be used if your ISP assigns you multiple IP addresses or
you need NAT disabled for an advanced system configuration. If you
have a single IP address and you turn NAT off, the computers on your
network will not be able to access the Internet. Other problems may
also occur. Turning off NAT will not affect your firewall functions.
Enabling/Disabling UPnP
UPnP (Universal Plug-and-Play) is yet another advanced feature
offered by your Belkin Router. It is a technology that offers seamless
operation of voice messaging, video messaging, games, and other
applications that are UPnP-compliant. Some applications require the
Router's firewall to be configured in a specific way to operate properly.
This usually requires opening TCP and UDP ports, and in some
instances, setting trigger ports. An application that is UPnP-compliant
has the ability to communicate with the Router, basically "telling" the
Router which way it needs the firewall configured. The Router ships
with the UPnP feature disabled. If you are using any applications
that are UPnP-compliant, and wish to take advantage of the UPnP
features, you can enable the UPnP feature. Simply select "Enable"
in the "UPnP Enabling" section of the "Utilities" page. Click "Apply
Changes" to save the change.
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