Vigor130 Series User’s Guide
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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
modems, the major feature of UPnP on the modem is “NAT Traversal”. This enables
applications inside the firewall to automatically open the ports that they need to pass through
a modem. It is more reliable than requiring a modem 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 modem provide the associated support for MSN
Messenger to allow full use of the voice, video and messaging features.
Available settings are explained as follows:
Item Description
Enable UPNP Service
Accordingly, you can enable either the Connection Control
Service or Connection Status Service.
Default WAN
It is used to specify the WAN interface for applying such
function.
The default setting is Default WAN.
After setting Enable UPNP Service setting, an icon of IP Broadband Connection on
Modem on Windows XP/Network Connections will appear. The connection status and
control status will be able to be activated. The NAT Traversal of UPnP enables the
multimedia features of your applications to operate. This has to manually set up port
mappings or use other similar methods. The screenshots below show examples of this
facility.
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