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Why Use a Layer 3 Switch?

1. Much Faster Inter-VLAN Routing
2. Reduces Load on the Router
3. Acts as Default Gateway for VLANs
4. Scales Better for Large Networks

Why Still Need a Router?
- Internet Access
- NAT
- PPPoE / DHCP Server for WAN
- VPN
- Firewall Policies
- BGP with ISP (for DIA setups)

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