Thank you @Carl I've done a LOT of research/experimentation, and here is the result: Firstly, I turned off power saving. ... no difference Assigned fixed IP addresses to the access points ... no...

@Carl Thanks These are the only log entries in the router for today: 2020-05-05 13:12:43 [Informational][Run-Log] CPE Inform to ACS Success. 2020-05-05 15:01:44 [Informational][Run-Log] CPE Inform to...

@Carl Thanks I am using Net Uptime Monitor to gather data. I have run with direct connect to my modem/router for over 24 hours without failure. When connected to my TP-Link extenders I ran 12 hours...

I have three extenders in my system. They work fine, but every hout or so, Internet connection is lost, both WiFi and Ethernet. on all three extenders. After about 2 minutes it will reconnect. How...