@csbalogh Hey This sounds like VLANs are not being trunked across, did you create the appropiate profiles and apply them to the ports? Its a bit of setup, so here is a vid that describes the total...

@Deco_P9 Deco selects the channels for you automatically, it scans for what is best and chooses that way. If you want to force it to re-scan for a better channel then run the "network optimisation"...

@MischaMi Basically I wouldn't mind having DHCP through my ISP-router, which would mean I have to change operation mode of the Deco in "Access Point". This way I could also have more LAN-ports...

@mex1254 Just thinking out of the box here.. set some power adaptor / timer on the POE switch? Have it power off when not needed and take the APs down too Its a bit Draconian, but would work

@bp220269 OpenGL is a API graphics driver and would be encapsulated well above the network layer traffic. In short the Deco would not touch or understand (or care) about OpenGL. From 20+ years in IT...

@MischaMi This sounds like you have two DHCP servers. Ideally the Deco should be the only DHCP used on the LAN (192.168.68.x) The 192.168.178.x is usually from a fritz box router, so may be coming...