Methods and apparatus to monitor border gateway protocol sessions
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United States of America Patent
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Feb 3, 2015
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N/A
app pub date -
Apr 30, 2012
filing date -
Sep 30, 2008
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Abstract
Example methods and apparatus to monitor border gateway protocol sessions are disclosed. A disclosed example method includes detecting a failure of a first BGP session, initiating a sustained-down timer and a reset-timer in response to detecting the failure, identifying a sustained-down condition in response to the sustained-down timer exceeding a first time threshold, identifying a flapping condition in response to counting a threshold number of BGP failures and corresponding BGP re-establishments during a second time threshold of the reset-timer, and identifying a continuous flapping condition in response to detecting the flapping condition consecutively for a threshold number of instances.
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