@David-TP Hi David. Thx for your swift response. Yes its the right switch. Pls refer to this link. https://community.tp-link.com/en/home/forum/topic/274828 All TP-link switch's support IEEE 1905.1. I...

@TP-Link Deco Sure. My setup is the same as in this article for Access points. I am using af highend switch TP-Link - 24 Ports Easy Smart Netvork switch - 10/100/1000 Mbps. It worked fine with...

@TP-Link Deco It seems, that the last update has introduced a backhaul defect. My 3 x Deco M9 has worked fine with full backhaul through a switch until now. But after the last release, it only works...