Upnp - Draytek Vigor3900 User Manual

4 . 8 . 5 U P
4 . 8 . 5 U P
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The UPnP (Universal Plug and Play) protocol is supported to bring to network connected
devices the ease of installation and configuration which is already available for directly
connected PC peripherals with the existing Windows 'Plug and Play' system. For NAT
routers, the major feature of UPnP on the router is "NAT Traversal". This enables
applications inside the firewall to automatically open the ports that they need to pass through
a router. It is more reliable than requiring a router to work out by itself which ports need to
be opened. Further, the user does not have to manually set up port mappings or a DMZ.
UPnP is available on Windows XP and the router provide the associated support for MSN
Messenger to allow full use of the voice, video and messaging features.
Available parameters are listed as follows:
Item
Enable
Download
Upload
External Interface
Internal Interface
Max Session
Apply
Cancel
The reminder as regards concern about Firewall and UPnP
Can't work with Firewall Software
Description
Check this box to enable UPnP function.
Enter the maximum sustained WAN download speed in
kilobits/second. Such information can be requested by UPnP
clients.
Enter the maximum sustained WAN upload speed in
kilobits/second. Such information can be requested by UPnP
clients.
Select a WAN profile for UPnP protocol.
Select a LAN profile for UPnP protocol.
Determine the maximum session number for UPnP function.
Click it to save the configuration.
Click it to discard the settings configured in this page.
310 Vigor3900 Series User's Guide