The Cirrus Link modules support logging in the Ignition Gateway logs. Often when you are working with Cirrus Link support you will be asked to turn up a particular logger to DEBUG or TRACE to assist in trouble shooting the issue.

From the Ignition UI connected to your instance of MQTT Distributor, navigate to Status > Diagnostic > Logs. Read the user manual Diagnostic - Logs explaining how to use the Logs console in Ignition 


MQTT Transmission


MQTT Engine


MQTT Distributor

Set the debug level for the io.moquette.spi.impl.ProtocolProcessor logger to TRACE and set the filter of the Logs view to ProtocolProcessor.

If we can see in the logs that the MQTT broker is continually forcefully disconnecting an existing connection to allow another client with the same Client ID to connect, as shown below, you have Colliding Client IDs.