Draytek Vigor IPPBX 2820n, User Manual

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VigorIPPBX 2820 Series User’s Guide 228
Press any number under Index to access into next page for configuring port redirection.
Enable Check this box to enable such port redirection setting.
Mode 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.
Service Name Enter the description of the specific network service.
Protocol Select the transport layer protocol (TCP or UDP).
WAN IP Select the WAN IP used for port redirection. There are eight
WAN IP alias that can be selected and used for port
redirection. The default setting is
All which means all the
incoming data from any port will be redirected to specified
range of IP address and port.
Public Port 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 number on the first box. The second