@Kevin_Z Hello. Thank you for your reply. I am using Optimum Online/Altice for my ISP. I have attached screenshots for all tests that I did. I am using the most up to date Windows 10/64 updates and...

Hello I just bought the Archer AX11000 last week at Costco. In our home, we have a family level, a basement and an upstairs. The router is in the center of the house on the family level connected via...