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  • Name
    • This is the friendly name of the MQTT Server used to easily identify it.
  • Enabled
    • Whether or not connections to this MQTT Server are enabled.
  • URL
    • This is the URL of the MQTT server.  Its format is as follows: [protocol]://[location]:[port].  Each of these are shown below.
      • protocol - Either tcp or ssl
      • location - The server location.  e.g. localhost, myserver.chariot.io, mydomain.com, etc
      • port - The port the MQTT Server is listening on.  Generally this is 1883 if using TCP or 8883 if using SSL
  • Server Type
    • This is the type of MQTT Server to connect to.
      • Chariot - If connecting to a Cirrus Link Chariot on-premise or Chariot cloud based MQTT Server
      • MQTT Distributor - If connecting to a Ignition MQTT Distributor server
      • Third Party - If connecting to a third party 3.1.1 compliant MQTT Server
  • Username
    • Optional MQTT username to use in the MQTT connect packet.  This is required if the MQTT Server to connect to requires it.
  • Password
    • Optional MQTT password to use in the MQTT connect packet.  This is required if the MQTT Server to connect to requires it.

TLS Settings

  • Certificates
    • The server certificates to use if required.  These are generally only required when connecting using TLS and the MQTT server does not have a genuine certificate issued by a trusted certificate authority.
    • CA certificate must always end in 'ca.pem'
    • If using client side certificates (i.e. a public/private keypair and CA cert), make sure the following naming conventions are followed.
      • Edge/Device certificate must end in 'cert.pem'
      • Edge/Device private key must end in 'private.key'
  • PasswordA password associated with the certificate's private key.The configuration for TLS changed between MQTT Transmission v4.0.3 and v4.0.4. See this document for TLS configuration: Secure MQTT Communication (SSL/TLS)

Advanced Settings

  • Client ID
    • Optional MQTT client ID to use.  If specified this will be used in the MQTT Engine connect packet when connecting to the server.  If left blank, a random client ID will be create of the form 'IgnitionTarget-xxxxxxxx-xxxx-xxxx'. Caution: MQTT Clients IDs must be unique and if two clients attempt to connect with the same client ID, one will be forcefully disconnected from the server to allow the other client to connect.
  • Keep Alive
    • The MQTT client keep alive time (in seconds).
  • Filtered Namespaces
    • A comma separated list of namespaces that will be filtered/disabled for connections to this MQTT Server.

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