About KirillKO

KirillKO · 01-22-2021

Hello, Cisco Community!We've encountered high CPU utilization issue on our 2x3650 stack.Processes eating CPU are: ARP Input, SISF Switcher Th, SISF Main ThreadIssue is happening only on working hours, so likely that connected to user activity.We trie...

KirillKO · 05-18-2021

As a conclusion, we've found the root cause description here https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw92906/?rfs=iqvredPacket captures showed us that CPU utilization is getting high when the ARP flood was happening and luckily we were able ...

KirillKO · 03-09-2021

Not really. Apple watch can connect to the same Wireless network as connected iPhone. So we've found several occasions of ARP flooding by several apple watch devices already, however it takes time to search for its owner and check more details on flo...

KirillKO · 03-05-2021

Thanks for the info, Leo. As a quick update, we went through "Troubleshooting High CPU usage" manual, and encountered some kind of ARP flooding to our core switch. Presumably only from Apple Watch devices, but not yet 100% confirmed as we still colle...

KirillKO · 02-17-2021

Hello, Leo.@Leo Laohoo wrote:@KirillKO wrote: 12080 8383 95% 92% 93% R 2178207744 linux_iosd-imag 12480 10330 79% 82% 84% S 1836642304 fed main eventOh, FFS! Not this one again!Yes, I know of these two "...

KirillKO · 02-12-2021

Posting an update:During the past weeks we decided to upgrade sw to 16.09.06 to understand if that's a bug or not.It seems that High CPU utilization events are happening little less often than before, but we still observing them sometimes.What's stra...

Member Since	‎01-22-2021 02:15 AM
Date Last Visited	‎05-19-2021 02:56 AM
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Catalyst 3650 high cpu utilization

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