@David-TP David, Many thanks for your reply! :-) My set up (i believe) is as per below, similar to yours but my 2nd and 3rd Deco's are connected to the main Deco, not to each other. I have identified...

Hi al, Please help me as this is driving me crazy. I purchased a set of 3 Deco P9 units as they were on sale and I liked the Ethernet backhaul feature. I have the main one in my office connected to...