Switches

Introduction As industries accelerate toward digital transformation driven by smart manufacturing, energy automation, intelligent transportation, and nationwide smart-city deployments, industrial switches have become indispensable. These devices form the backbone of modern OT (Operatio...

Intro Ethernet switch port types define the performance, scalability, and architecture of modern networks. RJ45 ports serve access-layer copper connections; SFP/SFP+ ports enable flexible 1G/10G uplinks; SFP28 delivers 25G for modern data centers; QSFP+ and QSFP28 support high-density ...

Introduction: Why SMBs Need Reliable SwitchingIn today’s connected business environment, even small and medium-sized companies rely on secure, high-performance networks to keep operations running smoothly. From cloud collaboration to IP telephony and video surveillance, network downtime directly affects productivity...

IntroductionThe Cisco Catalyst 9200-48P and 9300-48P are two of the most widely deployed access-layer switches in enterprise networks. Both offer 48 Gigabit PoE+ ports, but they serve distinct purposes and audiences.The Catalyst 9200 series targets small to mid-size organizations seeking reliable PoE and Layer 2 fun...

Executive SummaryThe Cisco Nexus 3000 Series delivers ultra-low-latency, high-density, and power-efficient switching for next-generation data centers. Supporting speeds from 1G to 100G, full VXLAN/EVPN overlays, and open programmability, it ensures consistent, predictable performance for cloud, HPC, and financial tr...

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...

Introduction - The Short AnswerNo - Cisco Catalyst 9300 stack kits and Cisco Catalyst 9300L stack kits are not compatible with each other. Although both series support stacking, they use different technologies, bandwidths, and physical connectors, preventing cross-model interoperability.Mixing the wrong stack kits o...

Introduction - The Evolution of Cisco StackingIn modern enterprise networks, scalability, availability, and simplified management are top priorities. Traditional switch stacking, such as Cisco’s StackWise-480, revolutionized access and distribution layer designs by simplifying management and ensuring redundancy with...

Introduction - Why Stack Cisco 9300 Switches?In today’s enterprise networking environment, organizations face constant pressure to scale efficiently, ensure uptime, and simplify management without escalating operational complexity. For small to medium-sized enterprises (SMEs), the challenge is even greater: how do y...

One-Minute Selection Cheat Sheet Scenario Recommended Uplink Module Optics / Cables License Key Notes Access 1 G Aggregation C9300-NM-4G SFP 1 G or Copper DNA Essentials / Advantage Entry-level, low cost ...