ZyXEL Communications Corporation VMG1312B10A Manuel D’Utilisation

Chapter 11 Network Address Translation (NAT)

VMG1312-B10A User’s Guide

Click Add new rule in the Port Forwarding screen or click the Edit icon next to an existing rule to 
open the following screen.

Port Forwarding: Add/Edit 

The following table describes the labels in this screen. 

Protocol

This shows the IP protocol supported by this virtual server, whether it is TCP, UDP, or TCP/
UDP.

Modify

Click the Edit icon to edit this rule.

Click the Delete icon to delete an existing rule. 

Network Setting > NAT > Port Forwarding (continued)

Port Forwarding: Add/Edit

Active

Clear the checkbox to disable the rule. Select the check box to enable it.

Service Name

Enter a name to identify this rule using keyboard characters (A-Z, a-z, 1-2 and so on). 

WAN Interface

Select the WAN interface through which the service is forwarded.

You must have already configured a WAN connection with NAT enabled.

WAN IP

Enter the WAN IP address for which the incoming service is destined. If the packet’s 
destination IP address doesn’t match the one specified here, the port forwarding rule will 
not be applied.

Start Port

Enter the original destination port for the packets.

To forward only one port, enter the port number again in the End Port field. 

To forward a series of ports, enter the start port number here and the end port number in 
the End Port field.