System and method for preventing erroneous link aggregation due to component relocation
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United States of America Patent
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May 20, 2014
Grant Date -
Feb 23, 2006
app pub date -
Aug 17, 2004
filing date -
Aug 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Various methods and systems for preventing erroneous link aggregation due to component relocation are disclosed. Such methods include a method for changing the identifier used by a network device and communicating the identifier change to a peer network device without disrupting an aggregated link. In one embodiment, a method involves detecting an identifier change and sending a Port Aggregation Protocol (PAgP) protocol data unit (PDU) that includes a new identifier and information. The information indicates the identifier change. The new identifier identifies a network device subsequent to the identifier change. Another embodiment of a method involves detecting an identifier change and, subsequent to the identifier change, sending a link aggregation protocol PDU that includes an “old device identifier” field dedicated to conveying an old identifier. The old identifier identifies a network device prior to the identifier change.
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