Chapter 10 Network Address Translation

10.5 Port Triggering Screen

To change your NBG-418N v2’s port trigger settings, click Network > NAT > Port Triggering. The screen appears as shown.

Note: Only one LAN computer can use a port trigger (range) at a time.

Figure 74 Network > NAT > Port Triggering

The following table describes the labels in this screen.

Table 45 Network > NAT > Port Triggering

 

LABEL

DESCRIPTION

 

Port Triggering

Click Enable radio button to enable NAT Port Trigger or Disable to inactivate it.

 

Status

 

 

 

 

 

Apply

Click Apply button to apply the NAT Port Trigger status you choose above.

 

 

 

 

Add Application Rule

 

 

 

 

User-defined

Type a unique name (up to 15 characters) for identification purposes. All characters are

 

Application Name

permitted - including spaces.

 

 

 

 

Start Match Port

Start match Port is the starting port in a range of port numbers that a server on the

 

 

WAN uses when it sends out a particular service. The NBG-418N v2 forwards the traffic

 

 

with this starting port to the client computer on the LAN that requested the service.

 

 

 

 

End Match

End match Port is the ending port in a range of port numbers that a server on the WAN

 

Port

uses when it sends out a particular service. The NBG-418N v2 forwards the traffic with

 

 

this ending port to the client computer on the LAN that requested the service.

 

 

 

 

Trigger Protocol

The trigger protocol is the protocol (UDP, TCP or UDP/TCP) that causes (or triggers) the

 

 

NBG-418N v2 to record the IP address of the LAN computer that sent the traffic to a

 

 

server on the WAN.

 

 

 

 

 

 

 

 

NBG-418N v2 User’s Guide

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