Instead of configuring VLANs or ACLs on individual switches, you define "policies" in the APIC that automatically propagate across the entire fabric. Key Concepts & Terminology
The "brains" of the operation. It is a centralized software controller that manages automation, policy enforcement, and health monitoring. Cisco ACI
The physical fabric uses Cisco Nexus 9000 Series switches in a topology where every leaf switch connects to every spine switch, ensuring high performance and low latency. Instead of configuring VLANs or ACLs on individual