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MQTT Engine provides a configuration section to the Ignition Gateway.  These can be seen in the Configure section of the Ignition Gateway web UI .                                                                      in the left panel.

Once in the configuration section there are three tabs: Servers, Advanced, and Namespaces.  Each of these tabs is described in detail in the following sections.

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The first tab is a list of MQTT Servers that MQTT Engine should connect to.  By default, MQTT Engine is configured to connect to the local MQTT Distributor based MQTT Server.  It is set up to connect to localhost, port 1883, using the default username/password pair of admin/changeme.  Out of the box MQTT Engine will work with MQTT Distributor and its default configuration.  The connection status of each server can be seen in the 'Status' column.  Clicking on the 'Create new MQTT Server' link will bring up the following form for adding a new MQTT Server setting.

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Additional or alternative MQTT Servers can be configured in MQTT Engine.  Often times more than one will be configured to handle fail-over or in redundant or geographically distributed systems.  The configuration options for servers are listed below.

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