@Alexandre. I disconnected the second Ethernet connection from the office switch to the first floor switch (I have no idea why the installer installed it?) and after that the first floor Deco...

@Alexandre. I *think* we are talking about the same thing, but I drew a fast laout of the network just to be sure. The Basement Deco works (somewhat ok) but when I connect the 1st Floor Deco...

Does the below make more sense? Deco Office (main, in Router mode): 1 Internet (fiber, 500 Gb) 2 Switch Office Switch Office (Zyxel GS-108B v3 8-ports): 1 (Not used) 2 Ethernet Surface Dock 3 Switch...

Hi, My setup is: Internet via fiber => Main Deco M5 (in router mode, via one of the LAN ports) => Zyxel switch (via the Deco's second LAN port) => Satellite Deco M5 (connected via Deco's LAN port) I...