This document discuss about the High CPU Utilization on Nexus 5010 and related bug information.
High CPU Utilization on Nexus 5010
Intermittent High CPU spikes observed under the show process CPU history is expected normal activity on Cisco Nexus 5000 switch. This brief High CPU utilization could be caused by platform processes and does not affect the normal functioning of the switch.
Using the show process cpu history command on a switch with little traffic would show the following:
This activity is normal for the switch and does not affect traffic because all traffic is switched by hardware ASICs and not by the CPU. Therefore intermittent high CPU observed in Nexus 5000 is expected and does not affect the normal functioning of the switch. However, the high CPU utilization could also be related to any of the following bugs.
Related Bug Information
For detailed information on the following bugs refer to Bug Toolkit
CSCte81951 -The command show system resources shows incorrect CPU Utilization.
CSCth19083 - Nexus 5000 integrated with a DCNM server, shows High CPU from the SSH process.
CSCto47633 -Nexus 5000shows high CPU in wwn_manager when FCOE is enabled.
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