Andrzej

Meanwhile - IGMP Snooping is OFF on every device I have (including managed switch). Gateways are cut-off from the internet via MAC address (access to internet didn't change behavior so...

None of entities went "unavailable" in HA (including gateway). So all sensors reports were working and gateways available. Only not possible to turn their light on/off (if lost while on)....

Also what I usually tried first was restart of HA and almost always it finished with all gateways unavailable and config error od component.

Breakthrough! After some time I came back home again and 2 of 3 gateways were - again - dead (for light-change commands) but reporting sensors all the time. What I...

Maybe gateway get somehow bad token and start to filter incoming messages?

Those 2 gateways hace ICMP ping scheme of: - being unreachable - coming back with ~400ms - coming back to normal with 1ms - repeat step 1. Only those 2...

> Please make sure there are periodic heartbeat messages in your logs. The heartbeat message (of the gateway) is a token update (key rotation). Furthermore there the gateway provides a...

No, yesterday I had an oppoturnity to next crash to occur. I've switched my whole WiFi to 40MHz without forcing whole band (so it can drop back to 20MHz). @syssi:...

@PaulAnnekov do you have by any chance scripts/commands on hand for that? So I tcpdump exactly what's wanted. As it's content will have keys and other sensitive data, I'd rather...

New finding about 'my case'. During weekend I've moved one of the AP to different place just to see if there could be any type of interference. Situation didn't change...