Chapter 11 NAT
User’s Guide 131
11.4 Advanced
To change your NBG4115’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 69 Network > NAT > Advanced

The following table describes the labels in this screen.

Table 48 Network > NAT > Advanced

LABEL DESCRIPTION
#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 NBG4115 forwards the traffic
with this port (or range of ports) to the client computer on the LAN that
requested the service.
Start 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.
Trig ger The trigger port is a port (or a range of ports) that causes (or triggers)
the NBG4115 to record the IP address of the LAN computer that sent
the traffic to a server on the WAN.
Start 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.