Dive into the intricacies of Ethernet LAN switching in this comprehensive video tutorial, part of a free CCNA 200-301 course. Explore Layer 2 of the OSI model, focusing on Address Resolution Protocol (ARP) and MAC address tables. Learn about Ethernet frames, ARP requests and replies, and how to use tools like GNS3 and Wireshark for packet capture and analysis. Practice your knowledge with hands-on demonstrations and end-of-video quizzes covering essential CCNA topics.