Link flap explained

Link flap is a condition where a communications link alternates between up and down states.[1] Link flap can be caused by end station reboots, power-saving features, incorrect duplex configuration or marginal connections, and signal integrity issues on the link.[2]

Notes and References

  1. Web site: What is the Link-flap error in Cisco Switches? . 2012-12-02 . 2012-10-18 . https://web.archive.org/web/20121018005044/http://itknowledgeexchange.techtarget.com/network-technologies/what-is-the-link-flap-error-in-cisco-switches/ . dead .
  2. Web site: How to Troubleshoot I/O Port Flapping . dead . https://web.archive.org/web/20181110054614/https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-Troubleshoot-I-O-Port-Flapping . 2018-11-10 . 2012-12-02.

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