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Virtual link aggregations across multiple fabric switches

  • US 10,075,394 B2
  • Filed: 07/21/2016
  • Issued: 09/11/2018
  • Est. Priority Date: 11/16/2012
  • Status: Active Grant
First Claim
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1. A switch, comprising:

  • fabric circuitry configured to maintain a membership in a first network of interconnected switches, wherein the first network of interconnected switches is identified by a first fabric identifier; and

    aggregation circuitry configured to;

    identify a virtual link aggregation group comprising a second switch and a third switch in the first network of interconnected switches, wherein a second network of interconnected switches is reachable via the virtual link aggregation group, and wherein the second network of interconnected switches is identified by a second fabric identifier; and

    maintain a mapping between the second and third switches and the virtual link aggregation group; and

    forwarding circuitry configured to select, for a packet destined to the second network of interconnected switches, an egress switch between the second and third switches based on the mapping.

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