ZyXEL Communications NBG6503 User Manual page 121

Note: Only one LAN computer can use a trigger port (range) at a time.
Figure 85 Network > NAT > Advanced
The following table describes the labels in this screen.
Table 52 Network > NAT > Advanced
LABEL
#
Name
Incoming
Start Port
End Port
Trigger
Start Port
End Port
Apply
Reset
NBG6503 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 Router 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 Router 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.
Click Apply to save your changes back to the Router.
Click Reset to begin configuring this screen afresh.
Chapter 14 Network Address Translation (NAT)
121