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Is AMQP traffic (TCP/5672) expected  between CVO HA pair nodes?

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Applies to

  • Cloud Volumes ONTAP (CVO)
  • ONTAP version 9.12.1 and later

Answer

Yes, any traffic observed on TCP/5672 between CVO HA nodes originating from the Cluster LIFs is expected and is part of ONTAP’s internal operation.

Starting with ONTAP 9.12.1, AMQP (Advanced Message Queuing Protocol) support was introduced for internal communications between ONTAP microservices and components.

  • The traffic on port 5672/TCP is handled by the SPINPORT_QPID interface, which is used for AMQP-based messaging backed by the Qpid message broker.
  • This traffic is internal to ONTAP and CVO infrastructure, facilitating reliable, asynchronous communication between microservices, especially in cloud-native or containerized deployments.
  • The port is not exposed to end users or external applications.
  • This is normal and expected system behaviour for CVO clusters running ONTAP 9.12.1 or later.

Additional Information

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