Understanding different types of switches is essential for designing scalable, secure, and high-performance networks.
From L1 (Physical Layer) to L3 (Network Layer), along with PoE, Managed, Smart, and SDN switches — each plays a crucial role depending on your network requirements.
🔹 Key Highlights:
✔ L2 switches are the backbone of most enterprise networks
✔ L3 switches enable inter-VLAN routing and advanced networking
✔ PoE switches power devices like IP phones & CCTV
✔ Managed switches offer full control, monitoring & security
✔ SDN switches bring automation and centralized control
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