@Sunshine the end device is set to fixed ip, 192.168.5.x, deco mainstsyion is 192.168.5.1, but the sub stations are 192.168.4.1.... what do you mean adding a fixed reservation? For WL repeater...

3 Deco's E75 pro working OK, after connectin one WA850RE as a client via 2,4 network is unstable - wifi devices are working well (5ghz mainly) LAN clients are not working - problems with getting ip...