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Summary

MQTT Store and Forward allows data to be buffered locally at a client when connections are down to the MQTT Server infrastructure and deliver that data when the connection is restored. This feature is critical in most applications because if we lose connection to the MQTT Server we will lose data if it is not buffered locally.

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MQTT Modules Store and Forward Configuration

MQTT Engine

Setup the Primary Host to be used under MQTT Engine configuration under the Main section on the General tab

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Review the MQTT History tutorial to determine the appropriate method for your system and details on the required configuration settings.

MQTT Transmission

Setup the History Store to be used under MQTT Transmission History configuration.

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Setup the History Settings to be used under MQTT Transmission Settings configuration.

Additional Resources:

Ignition Video 10: Primary Host ID Setting

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