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The IGMPv3 stack from Aricent is a portable implementation of the Internet Group Management Protocol (IGMP) specification version 3 (RFC 3376). IGMP is the protocol used by IPv4 systems to report their IP multicast group memberships to neighboring multicast routers. Version 3 of IGMP adds support for source filtering, the ability for a system to report interest in receiving packets "only" from specific source addresses, or from "all but" specific source addresses, sent to a particular multicast address. This information is used by multicast routing protocols to avoid delivering multicast packets from specific sources to networks where there are no interested receivers. The IGMP software implements the IGMP-router functionality. IGMP reduces the time-to-market for OEMs and Value Added Resellers (VARs) who wish to incorporate the IGMP functionality into their switching/routing devices.

Last updated : June 14, 2006