Linkskey LKR-604 - Manual (Page 24)

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Enabled: Enable Virtual Server.
Private IP: This is the LAN client/host IP address being used by the virtual server within your
local network.
Private Port: This is the LAN client/host port number being used by the application on the
computer within your local network.
Public Port: Enter the service (service/Internet application) port number that will be re-directed to
the virtual server on your local network.
Type: Select the Internet protocol type (TCP, UDP or both). If you are not sure, leave it to be the
default both protocols.
Comment: The description of this setting.
3.6.2 Port Triggering
Some applications require multiple connections, such as Internet gaming, video conferencing,
Internet telephony and others. These applications cannot work when Network Address Translation
(NAT) is enabled. If you need to run applications that require multiple connections, specify the port
associated with an application in the "Trigger Port" out going port field, select the protocol type as
TCP or UDP, then enter the public ports incoming port associated with the trigger port to open them
for inbound traffic.