Basic facts about Layer 2 & Layer 3 Switches - Learn what the difference is!
Layer 2, 3, and 4 switching
Routing protocol - Wikipedia
Network Layer of OSI Model (Layer-3) - Networkwalks Academy
Layer Networking: Layer 2 Versus Layer 3 IT Networking
Knowledge Checks
Configure InterVLAN Routing on Layer 3 Switches - Cisco
File:Router switch in OSI model.png - Wikimedia Commons
Layer 3 Switching vs Routing | End the Confusion! L3 vs Router - W7cloud
routing - If router operate at network layer, how does router change data-link header and trailer between data-link header and trailer between LAN and WAN? - Network Engineering Stack Exchange
Network Fundamentals – Layer 3 Technologies
Layer 2 vs Layer 3 Switch: Which One Do You Need? | FS Community