Siemens 5881 User Manual
SIEMENS 5881 Broadband Internet Router
User’s Guide
User’s Guide
Chapter 6 Security Setup
NAT
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Configure the NAT Server
To configure NAT for inbound traffic:
1. Click NAT Server on the left navigation pane. This displays the NAT Server Settings page.
2. Select the interface you want to configure from the Source Interface drop-down menu.
3. Do one of the following:
•
Select the network service you are configuring from the Service drop-down menu for Easy Setup. This
configures NAT to support the most common network services.
configures NAT to support the most common network services.
•
For Advanced Setup, select a protocol from the Protocol drop-down menu and specify a First Port # to
assign a port number for the protocol to use. To assign a range of port numbers, specify a Last Port #
as well.
assign a port number for the protocol to use. To assign a range of port numbers, specify a Last Port #
as well.
4. Enter the IP address of the local machine in IP Address.
5. Do one of the following to enter port Information for the selected service:
•
Click Add next to Default Port # to use the default port for the specified service.
•
Enter the port number on the local machine you want the specified service to use in Port #, and click
Add. Leave this field blank if you want the local machine to use the same port number as the WAN.
Add. Leave this field blank if you want the local machine to use the same port number as the WAN.