And with about 90 Zigbee devices, things are just pretty unstable. Every day a few devices drop off. I tried changing to "Source Routing" which is supposed to improve things, but it was much worse. In fact, about half of my lights broke, with error 3074, which is some routing error. 2/many

January 23, 2026 - 01:19 UTC

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After leaving it to sit for half the day, things were so broken, so I went back to the stock "table routing" and now things mostly work again. All the Ikea and Philips lights are supposed to support "source routing" but clearly something is super broken. 3/many
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I find other threads of people with the same issues, but really no concrete solutions. There are so many bugs in ZHA too, like if you delete a device, it will just come back and add itself. (As long as that device is within range.) Sometimes you have to restart ZHA to get things to work. 4/many
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