4 Replies Latest reply on Apr 21, 2009 1:16 PM by floyd.may

    CPU Utilization not keeping accurate stats


      I noticed that the cpu utilization on one of my routers was 73% and when I looked at my guages on NPM it only shows around 11% .  What is with the discrepancy?

        • Re: CPU Utilization not keeping accurate stats

          Depending on the type of router and the length of time that the router's CPU utilization remained high, this may be expected behavior.   NPM isn't going to reflect short spikes in CPU utilization in general because it polls SNMP values that reflect (in most cases) a 5-minute average of CPU utilization.

          For a Cisco router, you can do "show proc cpu history" in the CLI to see what the CPU utilization history has been over time, and compare that against what NPM shows in the CPU utilization charts.  Please let me know if this reveals a significant difference and I can help you troubleshoot further.