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Unable to reload or upgrade firmware on a controller.


Controller drops offline when reloaded or when an attempt to flash firmware is made.


  • Infinet
  • MSTP


Massive CRC errors on the MSTP bus due to a bad controller on one leg of blink.


  • In this case the problem was due to a bad controller on the bus. 
  • The offending controller was located by segmenting the bus to determine which legs were introducing this problem.
  • Once it was determined which controller was causing this issue, the controller was removed and a replacement installed.
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Revision #:
1 of 1
Last update:
‎2018-09-06 10:10 AM
Updated by: