@David-TP it didnt work, but i founf other solution, i have 2 decos V1 and 1 V2, when i used V2 as main, id didnt work, but if i used V1 as main everything seems to be normal Thanks for your tip,...

I have 3 deco towers set to ap mode, they are all connected to one router via cables around a house, but only main deco is showing cable connection, the slave decos are connected via WiFi, i checked...