Скачать или смотреть Part 18, 🔐 PORT SECURITY EXPLAINED | Securing Switch Ports & Stopping Unauthorized Devices 🚫

Ever wondered what happens when a random device plugs into your network?
In this lab session, I break down Port Security — the silent security guard of enterprise networks.

🚨 What you’ll learn in this video:

Why Port Security is critical in enterprise environments

How switches allow or deny devices using MAC addresses

How to limit devices per port to stop MAC flooding attacks

Difference between Protect, Restrict, and Shutdown modes

How Sticky MAC addresses make security easier and smarter

💡 Think of it like this:
A switch port is a VIP room. Only trusted guests are allowed in. If an intruder shows up? Access denied — or the alarm goes off.

This is a hands-on lab demo showing real Cisco switch configurations used in production networks.

👉 If you’re learning Networking, Cybersecurity, Cloud, or preparing for CCNA, this one is a must-watch.

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