ESP32 prefers to connect to far away repeater with RSSI -85db instead of nearby router (RSSI -32 dB)

Projects Programming
1

Hi everybody,

I have a AVM Fritz!Box 4060 as my WLAN-router. For optimial WLAN-supply I have three repeater

  • a AVM Fitz!-Repeater 3000AX
  • a AVM Fitz!-Repeater 3000
  • a AVM Fitz!-Repeater 1200AX

AVM-Fritz offers a technology called "mesh" which enables to have a single SSID for the router and all repeaters and they are organising connecting to that device with the highest RSSI.
Though for the ESP32 this does not work
My ESP32 connected to the far away repeater (in the basement with an RSSI of -85 !
and refuses to connect to the router which is much nearer than the repeater.

I finally managed to get the ESP32 connected to the nearby router by adjusting the Arduino-IDE to erase all flash before upload.

This ESP32 will be used at different places in my house. This means the ESP32 should be able to connect to that WLAN-device with the highest RSSI.

Is there a way to make the ESP32 "forget" formerly used WLAN-devices and let him search new for the WLAN-device with the highest RSSI?

best regards Stefan

2

Try turning off the 5GHz wifi as a test.
If it connects ok, maybe your router isn’t looking for the ESP on 2.4GHz,?

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