The Cisco Catalyst 9500 C9500-48Y4C-A is a 48-port rack-mountable managed network switch designed for enterprise campus core and aggregation layers. It features 48 fixed 25-Gigabit Ethernet ports and 4 100-Gigabit Ethernet uplinks, providing high-density port configuration for exceptional throughput. This switch supports advanced Layer 2 and Layer 3 services, enabling intelligent network segmentation, high availability, and granular traffic control. Security features include MACsec 256-bit encryption, Trustworthy Solutions, and Encrypted Traffic Analytics (ETA). It runs on Cisco IOS XE, a modular operating system, and supports redundant power supplies and fans for minimal downtime. The switch also offers programmability, real-time patching, and enhanced stability. With support for Cisco DNA Center, it enables zero-touch provisioning, policy-based automation, and real-time analytics. Integrated telemetry and model-driven programmability aid in network optimization. The stackable architecture with StackWise Virtual allows for simplified management and scalability. It supports SNMPv1, SNMPv2c, SNMPv3, Quality of Service (QoS), 10G support, and has a MAC address table capacity of 82000 entries with a switching capacity of 3200 Gbit/s. It is designed for rack mounting and is stackable.