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Hi, While trying to find a fix for our problem described here https://supportforums.cisco.com/discussion/12521766/high-cpu-utilization-3650I had an idea to null route all unused IPs that were causing those ARP requests that were found to be the cause...
Hi, I have noticed that our cpu jumped from 10% to 30% instanlty and 2 days ago from 30% to 50%Below the output:Core 0: CPU utilization for five seconds: 77%; one minute: 83%; five minutes: 83%Core 1: CPU utilization for five seconds: 20%; one minut...
Geia sou Spiro
I dont have TAC access so no support case.
You are right, it IS a BUG! I am not sure about the arp, in fact I am not sure about anything. It could very well be cosmetic (cpu load) as my switches are also very responsive.
My team her...
Hi Spiro,
Unfortunately I have received no respone on this issue. We have the same problem (but not as high) on another device (3650) withthe same IOS.On our 3850 it has now gotten worse. We have 80% cpu load...As fas as I can tell, the problem is r...
If anyone is interested....
After about 4 months of running with high cpu load, the switch decided to go back to 16% WITHOUT any action from our part. It just went down and it is still there....
Hope this helps anyone with the same issue
Hi Norberto, Thanks for the tip. I followed the steps on the link you sent me.I discovered that the cpu is affected by a lot of arp requests coming from our edge device.We have 16 /24 ranges with the edge device(s) being the gateway(s)A lot of those ...
Hi CORE-SW01#show proc cpu detailed process fed | ex 0.0Core 0: CPU utilization for five seconds: 80%; one minute: 80%; five minutes: 83%Core 1: CPU utilization for five seconds: 16%; one minute: 18%; five minutes: 25%Core 2: CPU utilization for five...
