In this video, I explain why we configure VLANs and SVI interfaces on a Layer 3 switch and how they work together to enable Inter-VLAN Routing.
Many CCNA beginners face the same confusion:
• Why create VLANs on a Layer 3 switch?
• What is SVI and why do we need it?
• How does a Layer 3 switch route between VLANs?
I also show a step-by-step Packet Tracer configuration, including:
✔ VLAN creation
✔ SVI (Interface VLAN) configuration
✔ Enabling IP routing
✔ Trunk configuration
✔ PC IP addressing
✔ Inter-VLAN ping testing
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