Hello, I found strange behavior with address reservation on TP Link Deco X20. When I add a client f.e. 192.168.2.x to address reservation and later return to address reservation, the address is change

Hi I just set up my deco X20 network and I have a 2.4 ghz problem. My main network is set up with mesh 2.4 ghz and 5ghz and it works ok. But I need a network only with 2.4 ghz, as I have several devic