ASUS DSL-AC55U 用户手册

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Port range triggering opens a predetermined incoming port for a 

limited period of time whenever a client on the local area network 

makes an outgoing connection to a specified port. Port triggering 

is used in the following scenarios:

•    More than one local client needs port forwarding for the 

same application at a different time.

•    An application requires specific incoming ports that are 

different from the outgoing ports.

To set up Port Trigger:
1.  From the navigation panel, go to Advanced Settings > WAN 

> Port Trigger tab.

2.  Configure the following settings below. When done, click 

Apply.

•  Enable Port Trigger: Choose Yes to enable Port Trigger.
•    Well-Known Applications: Select popular games and web 

services to add to the Port Trigger List.

•    Description: Enter a short name or description for the service.