Yuri_S  Freshman Member

Kindly check any security devices and solutions - antiviruses, network scanners, etc.In my situation problem was when LANSweeper started network scan. It always raised CPU load. Regards

Good daydo we have any updates? Best regards.

Good day,seem issue was in weak patch cable. I just replaced it with good one and everything is OK now. Many thanks for your help

Good day @Zyxel_JonasI provided requested infromation in PM With best regards

With the help of command show process activity I determined, that process cli makes this high CPU load. is this abnormal activity of my Putty-client or something else?

So, few hours ago this issue returns.Now I again have high CPU load on both switches. Need you support to investigate given issue. Thanks in advance

Good day.Many thanks for provided solution. I confirmed, that Loop Guard was enabled before this issue happened, but there were no loops detected. Also I rebooted both switches yesterday evening and issue was repaired. I don't know what was reason of this high CPU load, but after reboot I have CPU load about 15-25% for…