@emrSn I think this will work fine, but I think if it fails as router configuration then try access point. My router config faile after 3 were set up, and when I set up as access point all six worked...

This article was very helpful as I added 5 X20 to Main Deco and had a major issue with 3 immediately going offline when I setup the Ethernet Backhaul feature. The problem was that I was in Router...