Explore the fundamentals of Spanning Tree Protocol (STP) in network switching through this 21-minute video lecture. Delve into key concepts such as transparent bridging, CAM tables, learning and aging processes, and loop prevention. Understand the STP election process, including root switch selection, port costs, and root port determination. Examine convergence times and discover STP enhancements like uplinks, Multiple Spanning Tree (MST), and Etherchannels. Gain valuable insights into network optimization and stability from expert Bill Buchanan OBE.