ZyXEL Communications 2 Network Router User Manual


 
Chapter 11 Network Address Translation (NAT)
AMG1312-T Series User’s Guide
151
Figure 72 Network Setting > NAT > Port Forwarding: Add/Edit
The following table describes the fields in this screen.
Table 53 Network Setting > NAT > Port Forwarding: Edit
LABEL DESCRIPTION
Active Click this check box to enable the rule.
Service Name Enter a name to identify this port-forwarding rule.
External Start
Port
Enter a port number in this field.
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.
External End Port Enter a port number in this field.
To forward only one port, enter the port number in the Start Port field above and then
enter it again in this field.
To forward a series of ports, enter the last port number in a series that begins with the
port number in the Start Port field above.
Server IP
Address
Enter the IP address of the server in your local network.
Trigger Protocol Select the protocol of the service, TCP, UDP or ALL (TCP+UDP).
Open Start Port Enter the first port number here to which you want the device to translate the incoming
port. For a range of ports, you only need to enter the first number of the range to which
you want the incoming ports translated, the device automatically calculates the last port of
the translated port range.
Open End Port Enter the last port number here to which you want the device to translate the incoming
port. For a range of ports, you only need to enter the first number of the range to which
you want the incoming ports translated, the device automatically calculates the last port of
the translated port range.
Back Click this to return to the previous screen without saving.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.