@Zhanat 1) clients after passing authentication does he have encryption between AP and PC or Smartphone?----Do you mean Guest Network? 2) What's encryption optional tplink use? ----Which one did you...

@Goleus If you need Mesh, then you need to enable it on the controller, then the question arises, Mesh functionality is what needed for the controller to run continuously and a hardware controller is...

@justcurious It seems like the issue still occurs on your Linux device, check more on it.

@steve_togo I'm using EAP245 and EAP610-Outdoor together, and the roaming is OK.

@WifiStand I am running the Windows 5.11 controller, and I see here added some options on the voucher page, maybe it can meet.

@sjhb 1. 80 meters of cat6wire cable is too long. 2. EAP110-OD is a single band 2.4G AP with 100M port, the max speed will not exceed 100M. 3. Use Iperf3 to test the speed.