ZyXEL Communications LTE2566-M634 User Manual page 77

Figure 55 Configuration > Network > NAT > Port Forwarding
The following table describes the labels in this screen.
Table 29 Configuration > Network > NAT > Port Forwarding
LABEL DESCRIPTION
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
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 Enter a port number to which you want the incoming ports translated.
Range
For a range of ports, enter the first number and the last number of the range.
Server IP Address Enter the inside IP address of the virtual server here and click Add to add it in the port
forwarding summary table.
# This is the number of an individual port forwarding server entry.
Service Name This field displays a name to identify this rule.
Service Protocol This is the transport layer protocol used for the service.
Port Range This field displays the port number(s).
Translation Port This field displays the internal port number(s) that identifies the service.
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.
Modify Click the Edit icon to open the edit screen where you can modify an existing rule.
Click the Delete icon to remove a rule.
Add Click Add to save your changes back to the LTE2566-M634.
Chapter 10 NAT
LTE2566-M634 User's Guide
77