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DG-BR4000N/E User Manual
77
6-3 UPnP
By using the Universal Plug and Play (UPnP) protocol, a host at the LAN side can ask the
router to realize specific port conversion, so that an external host can access resources on
the internal host when necessary. For example, if MSN Messenger is installed on Windows
ME and Windows XP operating systems, UPnP can be used for audio and video
conversations. In this way, functions restricted by NAT can work properly.
Note: Only applications that support UPnP can use the function. The
functionality of UPnP requires support by the application and operating
systems such as Windows ME, Windows XP and Windows Vista.
Choose
Forwarding Rule > UPnP
and the UPnP page appears.
The following table describes parameters in this page:
Item
Description
Turn UPnP On
Enable or disable UPnP.
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Period (in
minutes)
Set the broadcast interval. It indicates the interval for broadcasting the
UPnP information by the router. The value should be in the range of 1 to
1440 minutes and the default is 30 minutes.
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Time To live
(in hops)
The time for the broadcast to live. It is the number of hops after each
UPnP packet is sent. The number of hops is the time taken for each
packet to broadcast before it vanishes. The value should be in the range