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High CPU on 6509 VSS

I have high cpu problem on  6509 VSS(VS-S720-10G).

When VSS was connected to LMS or NMS, the cpu utilization of VSS was very high(MAX 100%).

When they were not connected, the cpu utilization was normal.

I think it is because of SNMP gathering on LMS/NMS.

And I blocked arp table and forwarding table, but there was no change on cpu utilization.

I couldn't find the bug reports and other references.

How can I solve this problem??

Info. IOS version : 12.2(33)SXI1

     device : 6509 VSS(VS-S720-10G)

     cpu utilization : snmp engine (30%~60%) peak, sometimes 100%.

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‎09-14-2011 10:47 PM
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Cisco Employee

Hello Kim,

Thank you for using CSC. I suggest you start a discussion asking this question rather than posting this as a document. And as you have mentioned that SNMP engine is eating up CPU, you should post your question in Network management community. That will certainly help get more responses.


Pulkit Nagpal

Technical Community Manager: NI