12-19-2009 10:36 PM - edited 03-06-2019 09:01 AM
Hi All,
I am trying to troubleshoot some high CPU on some of our kit.
As part of this I am trying to locate some sort of reference guide that explains what each of the processes are and their function / purpose.
Yes I know this would generally be answered on a case by case sort of basis with a TAC case but I prefer to have a deep understanding myself as well.
Has anybody come across such a document? I am really after this for any cisco kit such as routers, switches, asa.
Thanks
12-20-2009 04:34 AM
Hi,
For trouble shooting on high cpu utilization and understanding check out the below links hope this will helps your query !!
http://www.cisco.com/en/US/products/hw/switches/ps5023/products_tech_note09186a00807213f5.shtml
http://www.cisco.com/en/US/products/hw/switches/ps708/products_tech_note09186a00804916e0.shtml
http://www.ccert.edu.cn/upload/1/34.pdf
Regards
Ganesh.H
12-20-2009 08:35 PM
It's been several years since I've been to a Networkers conference, but there used to be a Cisco presenter who perennially delivered a presentation that dove into just what you are asking. I remember him going into process switching, fast switching, CEF, line card differences, hardware vs software-based processes, etc.
If you have any colleagues with access to previous years' Networkers presentations, you might scour that source. Sorry this answer doesn't help a lot right this moment, but do consider Networkers (aka Cisco Live!) in the coming year. It is really an invaluable source of inside Cisco training "not available in stores".
12-21-2009 01:52 AM
i am not sure what device you are using but here is a good doc for 4500 high cpu troubleshooting :-
http://www.cisco.com/en/US/products/hw/switches/ps663/products_tech_note09186a00804cef15.shtml
HTH.
Regards,
Varun
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