Setting up Zigbee network on 4 floors: ZHA or HA supported Zigbee GW?

[mccasian (Iulian-Casian Merce)]

@Hedda

Understand that a limitation with Zigbee is that Zigbee devices only support connecting to a single “Zigbee Coordinator”, and you can not have more than one “Zigbee Coordinator” in a Zigbee network mesh. So if you would setup more than one Zigbee solution then each “Zigbee Coordinator” / Zigbee network will have no knowledge of each other at the Zigbee level.

Perfectly right.

However, if you don’t need to move your ZB devices from one ZB network to another(eg. Motion sensors from garage will never need to connect to the roof ZB bridge), then you can link multiple ZB Bridges(each with it’s own network) to HA using multiple instances of Zigbee2MQTT. This is perfectly doable, and I have described almost everything, including config files here: Zigbee ZHA, are multiple coordinators possible? - #11 by mccasian