Vigor300B Series User’s Guide
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IGMP is the abbreviation of Internet Group Management Protocol. It is a communication
protocol which is mainly used for managing the membership of Internet Protocol multicast
groups.
Available parameters are listed as follows:
Item Description
Enable This Profile
Check this box to enable GVRP function.
IGMP Proxy Channel
Downstream
Choose a profile for use while downloading data from
Internet.
Refresh
Renew current web page.
Apply
Click it to save the configuration.
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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.
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