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Hello, Leslie,

It seems that at least some Legrand zigbee devices (e.g. ZLD15) have an issue with neighbor/routing table.

After pairing of End Devices to the Router the table looks OK. In the example below there are 10 devices in the table. But after some time (in 80 minutes in the case below) all End Devices are removed from the neighbor table. There are just 6 devices left in the table.

At the same time, although these end devices are not shown as children of any device, they are online, they still work, they send messages, etc.

Detailed discussion of the issue is given here: https://github.com/zigpy/zigpy/issues/540

I think this a bug. Can you ask you tech team to review it and fix it.

Best regards,

Sergey Morozov.

Here is the pic, missing in the original post:

Hi Sergey,

Could you please tell me if you reproduce the issue with a certified product and firmware (NLM-44 for instance) ?

If the problem concerns a non-certified firmware, we could not investigate

Have a good day,

Leslie – Community Manager

Lesli, I can’t test it with NLM-44. But I test it with NLF in Zigbee 3.0 mode. The issue is still there.