Hey all. I'm pretty new to MQTT so was wondering if I can get some help with diagnosing a connectivity issue. My setup is as follows: 2 units of Ardino Mega with Ethernet Shield 2 each Home Assistant green All connected via Cat5e/Cat6 through network switch and router, manually assigned DHCP Ard…

MQTT disconnecting, how to diagnose?

mikb55 June 3, 2025, 9:18am 2

How are you generating the client id?
You cannot use the same id for two boards.

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