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Link aggregation split-brain detection and recovery

  • US 10,257,019 B2
  • Filed: 07/14/2016
  • Issued: 04/09/2019
  • Est. Priority Date: 12/04/2015
  • Status: Active Grant
First Claim
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1. A network system comprising:

  • a set of peers within a link aggregation group (LAG), the set of peers including a first network element and a second network element; and

    a status resolution server to connect to the set of peers within the link aggregation group, wherein a subset of the set of peers within the LAG is to query the status resolution server to determine an operational status of another peer in the set of peers in response to detection of an apparent failure of that peer by the subset of the set of peers, the status resolution server is to receive a query from the second network element and determine an operational status of the first network element, wherein the second network element is part of the subset of the set of peers, the LAG is a multi-chassis LAG, the status resolution server is a network management device including a link aggregation agent, the link aggregation agent configured to access a remote connection to a central system database of the first network element to determine the operational status of the first network element.

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