🔐 How to Enable Port Security on a Physical Cisco Switch Interface | CCNA Real-Time Lab
Welcome to Tungabadra Networks! 🌐
In this quick and practical video, I demonstrated how to configure Port Security on a Cisco Catalyst 2960 switch (IND_SW2) to secure interface Fa0/22. Port security ensures only authorized devices can connect to a switch port using MAC address filtering.
🔧 Lab Device Used:
✅ Cisco Catalyst 2960 (IND_SW2)
⚙Configuration
IND_SW2# configure terminal
IND_SW2(config)# interface fa0/22
IND_SW2(config-if)# switchport mode access
IND_SW2(config-if)# switchport port-security
✅ Verification
IND_SW2# show port-security interface fa0/22
📌 Port will show Secure-down until a live device is connected. Once connected, it changes to Secure-up.
🎯 What You’ll Learn:
What is Port Security and why it's important
How to configure and verify basic port security
Real CLI commands on a physical switch
Next steps for sticky MAC and violation modes
📽 Stay tuned for the next video: Will cover Sticky MAC, Maximum MAC limits, and how to test Port Security Violations live!
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