Hi Guys, 
having trouble and need some helping. 
 

i need to have 2 networks 1 form my self ( residential ) and 1 for guest ( guest )
my connection is an starlink thats in bypassmode, so i have taken an Archer A6 as router. on this i have setup my own wifi and a guest wifi

now i need to extend this signal to my floors , i have 3 floors in mij house and these are build with 60 cm high secured concrete.
So i have 3 x RE550 

what i do , or what i try i dont get an privat and guest network seperated . only my private works 
and on this i dont like to have guest on it 

anybody an idea