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Is it possible to form a Zigbee distributed network with nRF Connect SDK v1.5.1?

Hello,

For our application, we need to form a Zigbee distributed network and not a Zigbee centralized network. That means that routers need to be able to form a new network or join an existing one and that we will not have a Trust Center nor a coordinator in our network. Is this compatible with nRF Connect SDK v1.5.1? If yes, is there any example or documentation available on that subject? When I looked at the SDK it does not seem to be compatible yet. For example, I can see the following lines in zigbee_app_utils.c:

	case ZB_BDB_SIGNAL_FORMATION:
		/* At this point the Zigbee stack has finished network formation
		 * procedure. The device may have created a new Zigbee network,
		 * which is indicated by signal's status code.
		 *
		 * Next step:
		 *  - If the device implements Zigbee coordinator
		 *    and the formation is not successful, try to form a new
		 *    Zigbee network by performing network formation after
		 *    1 second (see BDB specification section 8.4).
		 *  - If the network formation was successful, open the newly
		 *    created network for other devices to join by starting
		 *    network steering for a node on a network,
		 *    (see BDB specification section 8.2).
		 *  - If the device implements Zigbee router or end device,
		 *    this signal is not expected.
		 */

If this is not available yet, is it planned?

Thank you in advance,

Best regards,

Clement

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