TP-Link TL-R4000 - Manual (Page 29)

TL-R4000 Enterprise Broadband Router User Guide
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DMZ and UPnP. Click any of them, and you will be able to configure the corresponding
function. The detailed explanations for each submenu are provided below.
4.6.1 Virtual Servers
Virtual servers can be used for setting up public services on your LAN, such as DNS,
Email and FTP. A virtual server is defined as a service port, and all requests from
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 change when using the DHCP function. You can set up
virtual servers on this page, shown in Figure 4-20:
Figure 4-20 Virtual Servers
¾
Service Port - The numbers of External Ports. You can type a service port or a
range of service ports (the format is XXX – YYY, XXX is Start port, YYY is End
port).
¾
IP Address - The IP address of the PC running the service application
¾
Protocol - The protocol used for this application, either TCP, UDP, or All (all
protocols supported by the router).
¾
Status - The status of this entry, "Enabled" means the virtual server entry is
enabled, while “Disabled” means the virtual server entry is disabled.
¾
Modify - The hyperlink (“Modify” and “Delete”) of the entry.
When you want to add or modify a Virtual server, you can click the Add New button or
Modify button, and then you will go to the next page. This page is used for adding or
modifying an Address Reservation (shown in Figure 4-21).