Switches

Summary In 2026, the "best" spine-leaf switch is the one that matches role (leaf vs spine), growth path (100G → 400G), and operational reality (optics + cabling + visibility)-not the one with the loudest spec sheet. Two shapes dominate most real deployments: 32×100G QSFP28 spine b...

TL;DR - Key Takeaways 2026 is the "design pivot" year: 400G remains mainstream, but new builds and major expansions increasingly plan around 800G uplinks to avoid near-term bottlenecks. AI changes everything: networking is no longer "plumbing"-it's a performance multiplier. Bandwi...

IntroThe Cisco Nexus 9000 Series defines the next generation of data center networking—combining performance, density, and programmability with dual-mode flexibility (NX-OS and ACI). Designed for scalable architectures and cloud agility, it bridges traditional L2/L3 operations with application-driven automation. Sup...