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Useful log filters can be added for tracking any event of stacking-ports

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TitleUseful log filters can be added for tracking any event of stacking-ports
Symptoms
Below EMS filters are useful to investigate the root cause of any stacking issue. 
Environment
  • All EXOS
  • Summit Series
Cause
For the cases of dual master or broken the topology, it is important to find out which slot caused the problem. By configuring below useful log filters, important log messages which can give any hint of root cause can be stored in NVRAM which remains the logs even after the switch reboot.
Resolution
  • create log filter <log filter name>
  • configure log filter <log filter name> add events All severity warning
  • configure log filter <log filter name> add events HAL.Port.Info match string "Stacking"
  • configure log filter <log filter name> add events HAL.Card.Info
  • configure log filter <log filter name> add events DM.Notice
  • configure log filter <log filter name> add events HAL.Sys.Info
  • configure log target nvram filter <log filter name> severity Info
Additional notes

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