Give console priority access

Answered Question
Jul 12th, 2007
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There is a command that will give the console port high priority so that I can access it (with hyperterminal) when the router is under heavy CPU utilization. I have been looking on Google for the last hour and can't figure out what I searched for last time.I believe it was something with scheduling, but I'm not 100% sure.


Does anyone know the command I'm looking for?


Thank you


p.s. The router is suppose to have high CPU utilization.

Correct Answer by sundar.palaniappan about 9 years 11 months ago

yjdabear,


I have used this command primarily to restore console access to devices that were having CPU issues to the point the console would lock up. This is a very useful command to troubleshoot high CPU issues.


The scheduler command guarantees some CPU time for all low priority processes and if SNMPGET is one of them it probably should help as well.


HTH


Sundar

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yjdabear Fri, 07/13/2007 - 09:40
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Very interesting. Could this be used to free up some CPU cycles on the cat6k so it would respond to snmpgets while processing snmpset?

Collin Clark Fri, 07/13/2007 - 11:10
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You should also look at things like Control Plane Policing, storm control, etc. Your CPU should never sustain at a utilization that's so high you can't console.

Correct Answer
sundar.palaniappan Fri, 07/13/2007 - 11:36
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yjdabear,


I have used this command primarily to restore console access to devices that were having CPU issues to the point the console would lock up. This is a very useful command to troubleshoot high CPU issues.


The scheduler command guarantees some CPU time for all low priority processes and if SNMPGET is one of them it probably should help as well.


HTH


Sundar

pcexhaust Mon, 07/16/2007 - 04:37
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Also very useful when you are stress testing the router. Thank you for the replies. That is the exact command I was looking for.



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