6500 Series Residential Gateway User’s Guide
Configuring Advanced Features
Address Translation With NAPT
Many applications require special port access to the Internet in order to function. By enabling Network
Address Port Translation (NAPT), multiple computers in your home network have access to the Internet
by translating port addresses to an Internet IP address while masking their IP addresses from outside
users. Only TCP, UDP, and ICMP protocols support NAPT.
To enable and configure NAPT address translation:
1. Select
Port By-Pass (NAPT)
from the “
Address Translation (NAT/NAPT)
” window.
2. Click
the
Configure
hyperlink next to
Port By-Pass (NAPT)
. This displays the “Port-By-Pass
Configuration” window.
3.
To enable an application for NAPT, click the desired application from the
Available
Applications
list. The application is moved to the
Enabled
Applications
list.
4.
Optionally, click the
Add a custom bypass entry
hyperlink. This displays the advanced features on
the Port By-Pass Configuration” window. The advanced option allows you to configure special port
access to the Internet.
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