Selection of multicast router interfaces in an L2 switch connecting end hosts and routers, which is running IGMP and PIM snooping

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United States of America Patent

PATENT NO 8761044
SERIAL NO

12813931

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Abstract

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Multicast traffic received by a subnet that uses IGMP/PIM snooping may be efficiently processed so that only required multicast router interfaces are used. A router may, for example, receive a source-specific PIM join/prune message indicating that a multicast receiver of the multicast traffic is to join/leave a multicast group to receive/stop traffic from a multicast source; determine whether the router is a first hop router relative to a subnet of the multicast source; and forward, when the router is a first hop router relative to the subnet of the multicast source and is a non-designated router, the source-specific PIM join/prune message towards the subnet.

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Patent Owner(s)

  • JUNIPER NETWORKS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chandrashekharachar, Suvarneshwar Sunil Kumar Bangalore, IN 2 36

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