Edimax Technology BR-6214K - Manual (Page 28)

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Parameter Description
2.5.1 Virtual Server
You can have different services (e.g. email, FTP, Web etc.) going to different
service servers/clients in your LAN. The Virtual Server allows you to re-direct a
particular service port number (from the Internet/WAN Port) to a particular LAN
IP address and its service port number.
2.5.2 Special Applications
Some applications require multiple connections, such as Internet games, video
conferencing, Internet telephony and others. In this section you can configure
the router to support these types of applications.
2.5.3 ALG Setting
You can select special applications that need “Application Layer Gateway” to
support here.
2.5.4 UPnP Setting
It allows to Enable or Disable UPnP feature here. After you enable the UPnP
feature, all client systems that support UPnP, like Windows XP, can discover this
router automatically and access the Internet through this router without any
configuration. The NAT Traversal function provided by UPnP can let applications
that support UPnP smoothly connect to Internet sites without any incompatibility
problem due to the NAPT port translation.
2.5.5 Static Routing
You can disable NAT function and setup the routing rules manually.
Click on one of the three NAT selections and proceed to the manual's relevant sub-section.
2.5.1 Virtual Server
Use the Virtual Server function when you want different servers/clients in your LAN to handle different service/Internet
application type (e.g. Email, FTP, Web server etc.) from the Internet. Computers use numbers called port numbers to
recognize a particular service/Internet application type. The Virtual Server allows you to re-direct a particular service port
number (from the Internet/WAN Port) to a particular LAN private IP address and its service port number. (See Glossary
for an explanation on Port number)