Automate Cisco ACI Provisioning with Terraform and Nexus-as-Code
In 2026, data center teams are encouraged to move away from manual ACI tenant provisioning via the APIC GUI to automated solutions like Terraform and Nexus-as-Code. Terraform's ACI provider, released in 2019, and Nexus-as-Code, introduced in 2022, streamline the process, allowing for rapid provisioning and management of network resources. This automation enhances efficiency, enabling operations to complete in under 60 seconds and providing benefits such as drift detection and rollback capabilities, while ensuring idempotency and avoiding configuration conflicts.
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Data center teams should transition from manual ACI tenant provisioning through the APIC GUI to automated solutions like Terraform and Nexus-as-Code. Terraform's ACI provider, available since 2019, along with Nexus-as-Code, simplifies the process by converting YAML configurations into Terraform ACI resources.
This automation allows for tenant provisioning in under 60 seconds, compared to 15-30 minutes manually. Key advantages include drift detection, peer review, and rollback capabilities, with Terraform ensuring idempotency to prevent duplication.
Nexus-as-Code translates YAML into Terraform, managing dependencies and relationships. It is essential to import existing objects to avoid configuration conflicts. Terraform's state file tracks managed objects, enabling drift detection and change planning, with separate states for different environments.
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