Nat Advanced Screen - ZyXEL Communications NBG-417N - V1.0 Manual

11.6 NAT Advanced Screen

To change your NBG-417N'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 45 Network > NAT > Advanced
LABEL
#
Name
Incoming
Start Port
End Port
Trigger
Start Port
End Port
NBG-417N User's Guide
DESCRIPTION
This is the rule index number (read-only).
Type a unique name (up to 15 characters) for identification purposes. All
characters are permitted - including spaces.
Incoming is a port (or a range of ports) that a server on the WAN uses
when it sends out a particular service. The NBG-417N 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.
Type a port number or the ending port number in a range of port
numbers.
The trigger port is a port (or a range of ports) that causes (or triggers)
the NBG-417N 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.
Type a port number or the ending port number in a range of port
numbers.
Chapter 11 Network Address Translation (NAT)
123