ZyXEL nbg-4615 Guida Utente

 Chapter 19 NAT

NBG4615 User’s Guide

To change your NBG4615’s trigger port settings, click Network > NAT > 
Advanced. The screen appears as shown.

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

Figure 105   Network > NAT > Advanced 

The following table describes the labels in this screen.

Table 67   Network > NAT > Advanced

#

This is the rule index number (read-only).

Name

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

Incoming

Incoming is a port (or a range of ports) that a server on the WAN uses 
when it sends out a particular service. The NBG4615 forwards the traffic 
with this port (or range of ports) to the client computer on the LAN that 
requested the service. 

Port

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

End Port

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

Trigger

The trigger port is a port (or a range of ports) that causes (or triggers) 
the NBG4615 to record the IP address of the LAN computer that sent 
the traffic to a server on the WAN.

Port

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