Analyzing Network Performance with esxtop

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  1. Log in esxi host via putty.

     

  2. Start esxtop by typing esxtop at the command line.

     

  3. Network performance data in esxtop is accessed by pressing ‘n’:

     

  4. After analyzing the performance Stop the ssh 

     Metrics to look out for here are MbTX/s (Megabit Transmit) and MbRX/s (Megabit Receive). Keep and eye on %DRPTX and %DRPRX as they can be an indicator of a busy or saturated network.

     Metrics and Thresholds 

Display

Metric

Threshold

Explanation

NETWORK

%DRPTX

1

Dropped packets transmitted, hardware overworked. Possible cause: very high network utilization

 

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