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SIGNALING OF ATTACHMENT CIRCUIT STATUS AND AUTOMATIC DISCOVERY OF INTER-CHASSIS COMMUNICATION PEERS

  • US 20110032945A1
  • Filed: 08/05/2009
  • Published: 02/10/2011
  • Est. Priority Date: 08/05/2009
  • Status: Active Grant
First Claim
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1. A method at a routing device, the method comprising:

  • establishing an inter-chassis control plane channel session with a remote routing device, the routing device and the remote routing device being linked to a multi-homed routing device;

    synchronizing with the remote routing device by way of the inter-chassis control plane channel session to identify a state of a link from the routing device to the multi-homed routing device; and

    advertising the state of the link by way of Border Gateway Protocol (BGP).

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