I didn't say a lot in my previous post, since the document posted by Reza pretty much included any ideas I had and more. If you are interested in resolution of such issues I can tell you I remember such an issue in 7500 series. It was a production router, and issue occurred at high traffic hours, so I didn't have much time for smart analysis and documentation. I just picked up the phone, called the NMS team, kindly asked them to stop whatever they came up doing that day, and guess what? Issue was magically resolved! They didn't tell me exactly what they were trying to do though.
However, as mentioned in the document posted by Reza, SNMP is a low priority process and theoretically more critical processes will run if needed. As mentioned in some thread in Network Management section by Joe Marcus Clarke, if available resources exist and aren't used for more critical things, SNMP might try to use them all to do its job. It is understandable though that nobody likes seeing the CPU of their devices hitting the roof. Joe suggests GETBULK requests to get a lot of information at once, instead of many small requests to the devices.
I would also be interested to know if this particular issue was resolved and what the cause was.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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