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There is only 60 % usage on the port, and port congestions observed

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TitleThere is only 60 % usage on the port, and port congestions observed
Symptoms
X670-48x.1 # show port 41 congestion no-refresh 
Port Congestion Monitor
Port      Link      Packet
          State     Drop
================================================================================
41        A         62054428834
================================================================================
          Link State: A-Active, R-Ready, NP-Port Not Present L-Loopback
X670-48x.2 # show port 41 utilization bandwidth 
Port     Link    Link   Rx             Peak Rx       Tx            Peak Tx
         State   Speed  % bandwidth    % bandwidth   % bandwidth   % bandwidth
================================================================================
41        A       10000     0.01          0.01         59.69           64.87
================================================================================
Environment
  • All EXOS versions
  • Summit 
  • Black Diamond 
Cause
Traffic have microbursts behavior.
Resolution
Need to determine the port causing congestion and do a port mirroring on egress.
Use the below method to do port mirroring
How To Enable And Configure Mirroring In EXOS
How to identifying microburst congestion with wireshark
Additional notes

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