ZyXEL Communications Corporation VSG1435B101 Manual De Usuario

Chapter 12 Network Address Translation (NAT)

VSG1435-B101 Series User’s Guide

The following table describes the labels in this screen. 

Table 47   Port Triggering: Configuration Add/Edit

Active

Select the check box to enable this rule.

This field is read-only in the Port Triggering Configuration screen.

Service Name

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

This field is read-only in the Port Triggering Edit screen.

WAN Interface

Select a WAN interface for which you want to configure port triggering 
rules.

Trigger Start 
Port

The trigger port is a port (or a range of ports) that causes (or triggers) 
the ZyXEL Device to record the IP address of the LAN computer that sent 
the traffic to a server on the WAN.

Type a port number or the starting port number in a range of port 
numbers.

Trigger End 
Port 

Type a port number or the ending port number in a range of port 
numbers.

Trigger 
Protocol

Select the transport layer protocol from TCP, UDP, or TCP/UDP.

Open Start 
Port

The open port is a port (or a range of ports) that a server on the WAN 
uses when it sends out a particular service. The ZyXEL Device forwards 
the traffic with this port (or range of ports) to the client computer on the 
LAN that requested the service. 

Type a port number or the starting port number in a range of port 
numbers.

Open End Port  Type a port number or the ending port number in a range of port 

numbers.

Open Protocol

Select the transport layer protocol from TCP, UDP, or TCP/UDP.

Apply

Click Apply to save your changes.

Cancel

Click Cancel to exit this screen without saving.