@TP-Link checking the logs after today's test it's clearly obvious, ARP table of the "living room" does not have the client entries connected to another deco. The log entries are from the same time...

@TP-Link, Today I did further tests, with a Powerline adapter I was able to connect the living room M5 also with Ethernet backhaul to the main deco via the switch. Once the connection is established...

@TP-Link, any news? I could manage to have a new setup: ISP router --- Main Deco M5 --- TP-Link switch. From the switch, the following Decos are connected with Ethernet backhaul: Garage M5, Upstairs...

@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...