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High CPU usage on v18 on XG115

I upgraded an XG 115 to v18 and ever since then the CPU has been normally sitting at 75% and will occasionally get up to 85-95%.  The odd thing is there is only one person in the office.

Anyone else seeing similar issues?



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  • Hi, I had the same issues.

    Please write which version of v18 You have installed on XG 115.

    I tried anything, and last i installed clean setup and reduced IPS signatures category, target and platform (if You have windows devices only, try to choose windows sinatures).

    I think, You have problem with snort. You can also switch your SFOS to DPI mode and switch web protection to real time scanning.

    I hope it will help You. My graphs for now:




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  • Hi, I had the same issues.

    Please write which version of v18 You have installed on XG 115.

    I tried anything, and last i installed clean setup and reduced IPS signatures category, target and platform (if You have windows devices only, try to choose windows sinatures).

    I think, You have problem with snort. You can also switch your SFOS to DPI mode and switch web protection to real time scanning.

    I hope it will help You. My graphs for now:




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