@terziyski Thanks that Firmware upgrade worked and monitoring now. Now I have noticed a new issue after the upgrade, the signal for 5GHz are weaker when we try from the same location.

Thanks for the recommendation @terziyski. The Wireless router is placed well and follows the guidelines of the first document. The MTU is also set to 1480 based on another document. Not sure if Arche...

I have Archer C5 that keeps disconnecting frequently. This was a replacement device. While on original device, I was able to upgrade the Firmware versions regularly. However since I got a replacement...