@David-TP Thank you, I will give that a try.

Sorry for the crude image, But i was looking to see if this is the best way to hardwire with ethernet cable without causing any issues? My plan is to have a wired connection for all devices shown.

I have 2 Decos XE75s in Router mode one on each floor of my 2 story house. I want to hardwire between the 2 decos with ethernet cable, Also i have 2 sky Q boxes down stairs and 1 upstairs i want to...