ZyXEL Communications NBG-419N User Manual

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 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.
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. 
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.
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.