C1200 high CPU usage

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C1200 high CPU usage

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C1200 high CPU usage
C1200 high CPU usage
2017-10-31 05:31:54
Model :

Hardware Version :

Firmware Version :

ISP :

I have a TP-Link Archer C1200 HW. V1, EU Version.
Recently I have updated the firmware to the last version available, Version 1.1.1 Build 20170706 rel.65715 (EU)

After updating firmware, everything works ok, but the router CPU is always at 100%. I have disabled QoS, SPI Firewall, DoS Protection, IPv6, Shared folders, Print Server, NAT Boost, etc. but CPU is still at 100% full time.

Apart of high CPU usage, the router reboots itslef every 2-3 days. I suspect that this is because high CPU usage.

Any advice to lower CPU usage?

Is safe to downgrade the firmware?
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Re:C1200 high CPU usage
2017-10-31 13:50:02
It is not suggested to downgrade the firmware.
You can contact support@tp-link.com to ask whether they have a solution for your case.
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