@Sunshine - amazing! That is it. I had to try and monitor for a few days, but now it works like this. Thank you!!! BTW: yes, all devices were disconnected. And all devices then joined automatically...

My brand new TL-MR100 disconnects the WiFi connection all the time (several times per hour) Log file: 2023-06-11 17:36:45 [5] DHCPD: Recv REQUEST from A4:6C:F1:F4:F3:14 2023-06-11 17:36:45 [5] DHCPD:...