@EliasSoares I contacted TP-Link support and sent my equipment for analysis. Afterwards, they sent me two new devices.

Clive_A wrote @DMoreno The switch is layer 2. It has nothing to do with the IP, which is layer 3. @Clive_A I know that this model is not supposed to assume an IP, but these 2 that I have here with me...

I know that this model is non-manageable and theoretically does not assume any IP address, but I have 2 identical devices that when I connect them to my network, they end up taking down my DHCP...