My father has many tapos of different models in his home. Some are very distant and have bad connection. I created another router with the same SSID and password as the other router to which the cameras are already connected.

I sent to him and he connected it. It was in AP mode, so he just plugged in and internet worked (I created a new SSID as well just to connect and confirm it was the new router).

The problem is that all the cameras went offline for 2 days, we tried rebooting all of them (disconnecting and connecting the power plug), and also waited to see if they would come back online, but none of them did. They only worked again when we unplugged the new router from the power plug, therefore turning him off.

Is there a reason for this to happen? I need to have many routers with the same SSID and password through the house so the cameras connect to the best one.