Chapter 10 NAT
LTE3301-M209 User’s Guide
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The following table describes the labels in this screen.
10.4 Port Trigger Screen
To change your Zyxel Device’s trigger port settings, click Network > NAT > Port Trigger. The screen
appears as shown.
Note: Only one LAN computer can use a trigger port (range) at a time.
Table 39 Network > NAT > Port Forwarding Edit
LABEL DESCRIPTION
Port Forwarding Select Enable to turn on this rule and the requested service can be forwarded to the host with
a specified internal IP address.
Select Disable to disallow forwarding of these ports to an inside server without having to delete
the entry.
Service Name Select User define and type a name (of up to 31 printable characters) to identify this rule in the
first field next to Service Name. Otherwise, select a predefined service in the second field next
to Service Name. The predefined service name and port number(s) will display in the Service
Name and Port Range fields.
Service Protocol Select the transport layer protocol supported by this virtual server. Choices are TCP, UDP, or
TCP_UDP.
If you have chosen a pre-defined service in the Service Name field, the protocol will be
configured automatically.
WAN Interface Select the WAN interface on which the matched packets are received.
Port Range Type a port number(s) to define the service to be forwarded to the specified server.
To specify a range of ports, enter the first number and the last number of the range.
Translation Port
Range
Enter a port number to which you want the incoming ports translated.
For a range of ports, enter the first number and the last number of the range.
Server IP Address Type the IP address of the server on your LAN that receives packets from the port(s) specified in
the Port Range field.
Back Click Back to return to the previous screen.
Apply Click Apply to save your changes back to the Zyxel Device.
Cancel Click Cancel to begin configuring this screen afresh.