ZyXEL Communications P-320W v3, User Manual

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Chapter 9 Network Address Translation (NAT)
P-320W v3 User’s Guide
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9.6 Trigger Port Screen
To change your P-320W v3’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 64 Network > NAT > Advanced
The following table describes the labels in this screen.
Table 42 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 P-320W v3 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 P-320W v3 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.