L3 routing

N3K-C3548P-FD-L3A Overview

The Cisco N3K-C3548P-FD-L3A is a high-speed Nexus 3500 Series Layer 3 switch designed for data centers and industries requiring ultra-low latency networking. With 48 × 10GbE SFP+ ports and 4 × 40GbE QSFP+ uplinks, it provides exceptional density and bandwidth flexibility, supporting breakout for scalable 10GbE connectivity. Built on a cut-through switching architecture, it achieves latency as low as 200 nanoseconds, making it ideal for time-sensitive applications like financial trading, HPC clusters, and advanced cloud deployments. The FD airflow model ensures front-to-back cooling, optimized for modern hot-aisle/cold-aisle setups. Advanced Layer 3 features include VXLAN, PTP, multicast, QoS, and ACLs, ensuring high performance with precise traffic control.