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Multicast traffic load balancing over virtual link aggregation

  • US 9,548,926 B2
  • Filed: 01/10/2014
  • Issued: 01/17/2017
  • Est. Priority Date: 01/11/2013
  • Status: Active Grant
First Claim
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1. A switch, comprising:

  • one or more ports;

    link management circuitry configured to operate a port of the one or more ports of the switch in conjunction with a remote switch to form a virtual link aggregation; and

    load balancing circuitry configured to;

    generate an index of a data structure based on address information of a multicast group associated with the virtual link aggregation, wherein the data structure comprises a plurality of elements and indicates bandwidth distribution among links participating in the virtual link aggregation,wherein a respective element of the data structure corresponds to a switch participating in the virtual link aggregation; and

    wherein a number of elements in the data structure indicates a bandwidth distribution or a number of links in the virtual link aggregation;

    in response to the index indicating that an element of the data structure corresponds to the switch,designate the switch as a primary switch for the multicast group,wherein the primary switch is responsible for forwarding multicast data of the multicast group via the virtual link aggregation.

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