Draytek VigorPro 5300 User Manual page 58

Press any number under Index to access into next page for configuring port redirection.
Enable
Mode
Service Name
Protocol
Public Port
Private IP
50
Check this box to enable such port redirection setting.
Two options (Single and Range) are provided here for you to
choose. To set a range for the specific service, select Range. In
Range mode, if the public port (start port and end port) and the
starting IP of private IP had been entered, the system will calculate
and display the ending IP of private IP automatically.
Enter the description of the specific network service.
Select the transport layer protocol (TCP or UDP).
Specify which port can be redirected to the specified Private IP
and Port of the internal host. If you choose Range as the port
redirection mode, you will see two boxes on this field. Simply type
the required numbers on these two boxes.
Specify the private IP address of the internal host providing the
service. If you choose Range as the port redirection mode, you will
see two boxes on this field. Simply type the IP address in the first
VigorPro5300 Series User's Guide