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Backup CRF VLAN

  • US 6,657,951 B1
  • Filed: 03/10/1999
  • Issued: 12/02/2003
  • Est. Priority Date: 11/30/1998
  • Status: Expired due to Term
First Claim
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1. A method for providing a redundant path for traffic between undistributed Concentrator Relay Functions (CRFs) located on different switches interconnected by trunk links of a distributed token ring (TR) bridge, the method comprising the steps of:

  • providing a backup network having a CRF with associated ports, the CRF distributed among the switches and having only one port active at a time;

    connecting the backup network between the switches of the distributed TR bridge, the backup network having a primary active path and a backup network path to the distributed TR bridge; and

    utilizing the backup network path if the primary active path is not a valid path to the backup network.

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