Siemens 6500 Series User Manual

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6500 Series Residential Gateway User’s Guide
 
Configuring Advanced Features
 
Address Translation 
The Address Translation feature provides different methods of keeping individual users/computers hidden 
behind a single outward-facing address, while still allowing them to access the Internet and related 
applications. If you have more than one available Internet connection interface, they will all be displayed 
in the drop-down menu for ease of selection. 
To enable and configure the address translation feature: 
1. 
From the “
” window, select the Address Translation button. This displays the 
“Address Translation (NAT/NAPT)” window. 
 
 
2. 
Select an interface from the Select Interface drop-down menu. 
3. 
Select one of the following options:  
•  Use no address translation  
Disables address translation. 
•  Address Translation (NAT)  
Uses NAT for address translation. NAT is an Internet standard that allows a LAN to use one set of 
IP addresses for internal traffic and a second set for external traffic. This displays the “
•  Port By-Pass (NAPT)  
Uses NAPT for address translation. Only TCP, UDP, and ICMP protocols support NAPT. NAPT 
allows many devices connected to the Gateway access to the Internet while masking the 
identification of the internal IP addresses. This displays the “
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