@TP-Link 1. Does this issue only occur to the devices connected to the living room Deco? I mean the devices connected to the main study Deco and office Deco are still accessible, right? - YES devices...

@TP-Link Hi, are you able to reproduce the same issue all the time? -> Yes I can easily reproduce this problem still exist It seems like Deco M3W is closer to the main study Deco than living room M4....

I have found some problems related to the M3W and access to some devices via IP addresses. My configuration looks like this: Then some devices are connected to living_room deco M4 via wifi and then...