TP-LINK TL-WR841N User Guide

 

  

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If you set the virtual server of service port as 80, you must set the Web management port on 

 page to be any other value except 80 such as 8080. 

Otherwise there will be a conflict to disable the virtual server. 

Choose menu “Forwarding→Port Triggering”, you can view and add port triggering in the next 

screen (shown in Figure 4-26). Some applications require multiple connections, like Internet 

games, video conferencing, Internet calling and so on. These applications cannot work with a 

pure NAT router. Port Triggering is used for some of these applications that can work with an NAT 

router.  

 

Figure 4-26   

Port Triggering 

Once configured, operation is as follows: 

1.  A local host makes an outgoing connection using a destination port number defined in the 

Trigger Port field.   

2.  The router records this connection, opens the incoming port or ports associated with this 

entry in the Port Triggering table, and associates them with the local host.   

3.  When necessary the external host will be able to connect to the local host using one of the 

ports defined in the Incoming Ports field. 

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 The port for outgoing traffic. An outgoing connection using this port will 

"Trigger" this rule. 

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 The protocol used for Trigger Ports, either TCP,  UDP, or All  (all 

protocols supported by the router). 

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 The port or port range used by the remote system when it 

responds to the outgoing request. A response using one of these ports will be forwarded to 

the PC that triggered this rule. You can input at most 5 groups of ports (or port section). 

Every group of ports must be set apart with ",". For example, 2000-2038, 2050-2051, 2085,