Do you see this with Aqara devices connected to a Aqara gateway or devices connected to a zigbee USB stick?
I have the theory that this has got to do how aqara sensors work. Maybe they want some keep alive handshake every hour or so. They want to save battery so they have got a mechanism to fall asleep.
Maybe it can help
all the problems I had solved after I updated gateway to the latest version.
I’m having this problem with Apple Airport devices on the latest firmware… No idea what to do as I don’t have these options. My hass server is already connected by ethernet.
I had this problem recently. Went to hell and back trying things.
The solution was to change my 2.4ghz router setting to use channel 11 and not 8.
Then all worked perfectly again.
Hope this helps someone.
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Hi, I have Gateway 3 (round) and it gets unavailable randomly, for few seconds only and just in HA. Including subdevices. Any idea how to work with it? Get new hub? It seems to be as a problem described here