@TP-Link, is there any news here? Since then I have installed the latest 1.5.3 version on the M5 Decos, but the problem is still not being resolved.

@TP-Link Devices which are connected to other Deco "main, attic, living room" are reachable from devices connected to the "upstairs" Deco. Only the devices which are connected to the "garage" are not...

Dear Support! I have a TP-Link mesh system consist of 5 Deco units: 3 M5 and 2 M4R. Topology: [ISP ONT device]---[Main Deco M5]---[TP-Link Gbit switch]---[Deco M5 upstairs]. These connections are...