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home-assistant.io/source/_components/mqtt.markdown
bvansambeek fe1ce5a19b Tip to use external broker for more stability (#5159) 
An external broker is more stable, this is something I did not know as a beginner.
Especially because the embedded broker has a memory leak.
It would have saved me a bunch of time and WAF trust issues if I would have had this piece of knowledge.
Issue on memory leak: https://github.com/home-assistant/home-assistant/issues/11594
2018-04-12 13:38:42 +02:00

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page MQTT Instructions on how to setup MQTT within Home Assistant. 2015-08-07 18:00 true false true true mqtt.png Hub true pre 0.7 depends

MQTT (aka MQ Telemetry Transport) is a machine-to-machine or "Internet of Things" connectivity protocol on top of TCP/IP. It allows extremely lightweight publish/subscribe messaging transport.

Your first step to get MQTT and Home Assistant working is to choose a broker.

To integrate MQTT into Home Assistant, add the following section to your configuration.yaml file. Keep in mind that the minimal setup will run with an embedded MQTT broker:

# Example configuration.yaml entry
mqtt:

To connect to your own MQTT broker:

# Example configuration.yaml entry
mqtt:
  broker: IP_ADDRESS_BROKER

The minimal setup uses the embedded MQTT broker, however a separate broker is advised for more stability.

{% linkable_title Additional features %}