ZyXEL Communications NBG-419N User Manual
Chapter 16 Network Address Translation (NAT)
NBG-419N v2 User’s Guide
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Note: Only one LAN computer can use a trigger port (range) at a time.
Figure 101
Network > NAT > Advanced
The following table describes the labels in this screen.
Table 65
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.
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 Router forwards the traffic with this port (or range of ports) to the
client computer on the LAN that requested the service.
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.
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.
Trigger
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.
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.
Apply
Click Apply to save your changes back to the Router.
Reset
Click Reset to begin configuring this screen afresh.