Port Trigger - ZyXEL Communications LTE3316-M604 User Manual

11.4 Port Trigger

To change your Zyxel Device's trigger port settings, click Configuration > Network > NAT > Port Trigger.
The screen appears as shown.
Note: Only one LAN computer can use a trigger port (range) at a time.
Figure 51 Configuration > Network > NAT > Port Trigger
The following table describes the labels in this screen.
Table 37 Configuration > Network > NAT > Port Trigger
LABEL
#
Name
WAN Interface
Incoming Port
Start Port
End Port
Trigger Port
Cancel
Apply
Chapter 11 NAT
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.
Select the WAN interface through which the matched packets are transmitted.
Incoming Port is a port (or a range of ports) that a server on the WAN uses when it sends out a
particular service. The Zyxel Device 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 that causes (or triggers) the Zyxel Device to record the IP address of
the LAN computer that sent the traffic to a server on the WAN.
Click Cancel to begin configuring this screen afresh.
Click Apply to save your changes back to the Zyxel Device.
LTE3316 Series User's Guide
100