TL-WR743ND 150Mbps Wireless AP/Client Router
 
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There are four submenus under the Forwarding menu (shown in Figure 4-37): Virtual Servers, 
Port Triggering,  DMZ and UPnP. Click any of them, and you will be able to configure the 
corresponding function. 
4.9.1  Virtual Servers 
Choose menu “Forwarding  → Virtual Servers”, and then you can view and add virtual servers 
in the screen as shown in Figure 4-38. Virtual servers can be used for setting up public services 
on yo
ur LAN, such as DNS, Email and FTP. A virtual server is defined as a service port, and all 
requests from the Internet to this service port will be redirected to the computer specified by the 
server IP. Any PC that was used for a virtual server must have a static or reserved IP Address 
because its IP Address may be changed when using the DHCP function.   
 
Figure 4-38    Virtual Servers 
  Service Port - The numbers of External Ports. You can type a service port or a range of 
service ports (in XXX – YYY format, XXX is the start port number, YYY is the end port 
number).  
  Internal Port - The Internal Service Port number of the PC running the service application. 
You can leave it blank if the Internal Port is the same as the Service Port, or enter a 
specific port number when Service Port is a single one. 
  IP Address - The IP Address of the PC providing the service application. 
  Protocol - The protocol used for this application, either TCP,  UDP, or All  (all protocols 
supported by the Router). 
  Status - The status of this entry, either Enabled or Disabled. 
To setup a virtual server entry:   
1. Click the Add New… button, the next screen will pop-up as shown in Figure 4-39. 
2. 
Select the service port you want to use from the Common Service Port list. If the Common 
Service Port list does not have the service that you want to use, type the service port 
number or service port range in the Service Port box. For single Service Port, please enter 
a specific port number in Internal Port box.