Ericsson W3X manual Port Forwarding, Text Description NAT Port, Server IP, Server Port

Configuration and Management

3.7.3Port Forwarding

Port forwarding is used to allow an external user to access a service residing on a server connected to the LAN (to cross the NAT border). It enables access to servers on the LAN from the Internet (e.g. Web server) and also enables applications to work from the LAN (e.g. games, voice and chat) to the Internet.

Note: Port forwarding requires that the Ericsson W3x has a public IP address for Port Forwarding requests from the Internet to be handled correctly.

This IP address is displayed on the Overview page as the “Internet: IP address”. A private IP address usually begins with 10, 172, or 192. In this case, no incoming access from the Internet is allowed. For more information on public and private IP addresses, contact your service provider.

When a computer on the Internet sends data to the public IP address of the Ericsson W3x, it needs to know what to do with the data. A port forwarding rule tells the Ericsson W3x which computer on the local area network to send the data to.

The “PORT FORWARDING” section on the NAT page includes the following information about port forwarding rules:

Table 18 - Port Forwarding description

Text		Description
NAT Port		The NAT port number that the data traffic is allowed
		to be transported on.
Server IP		The IP address of the destination server on the LAN.
Server Port		The port number on the destination server which
		identifies the type of service that is directed, for
		example web service on port 8080.
Protocol		The protocol to be used for the service; TCP or
		UDP.
		Click on the button to delete the port forwarding rule.
	Delete
		Click on the button to edit the port forwarding rule.
	Edit

3.7.3.1Add a Port Forwarding Rule

To add a new port forwarding rule, click the Add Instance button. The Add Port forwarding Instance page is displayed:

1/1551-CRH 102 168 Uen Rev A 2008-12-16 49