Building Network Automation Solutions
6 week online course starting in September 2017

All it takes is a single misdirected STP packet ...

... and the rest is history ;)


  1. Thanks for brightening my Monday morning!

  2. You'd think 'misdirected STP packet' would not be possible. Until you hit a (Cisco) bug where STP packets are actually sent out of other VLANs and interfaces than the ones expected.
    The result was indeed the same as the above gif.


You don't have to log in to post a comment, but please do provide your real name/URL. Anonymous comments might get deleted.