METHOD FOR PROCESSING FAULT IN MRP RING NETWORK, AND MRP RING NETWORK

摘要

The present invention relates to a method for processing a fault in a media redundancy protocol (MRP) ring network and an MRP ring network. The MRP ring network comprises a media redundancy management node (MRM), a plurality of media redundancy client nodes (MRC), and links for connecting the nodes. The method for processing a fault in an MRP ring network comprises: after an MRC, a link between MRCs, or a link between an MRM and an MRC is faulty, the MRM being faulty; after the MRC, the link between the MRCs, or the link between the MRM and the MRC recovers from a fault, the MRM recovering from a fault and being restarted; the MRM sending a topology change frame when being restarted. In the process that the MRM is restarted, the topology change frame is sent, so that the MRC node can perform an operation of clearing a filtering database; through the address learning and service forwarding, communication is performed again through the link recovering from the fault, thereby ensuring that the MRC can perform communication normally in the case of multiple faults.