The C9400-SUP-1 is a Cisco Catalyst 9400 Series Supervisor Engine, specifically the first generation of supervisors for this platform. It serves as the control and management unit for the Catalyst 9400 chassis, handling Layer 2 and Layer 3 forwarding, network services, and system management. This supervisor engine provides essential features like high availability, redundancy, and advanced security capabilities. It’s a foundational component for building robust and scalable enterprise networks.
