Dive into the intricacies of Multiple Spanning Tree Protocol (MSTP or MST) in this comprehensive 34-minute video tutorial, part of a free and complete CCNP ENCOR 350-401 course. Learn about MST regions, connecting MST regions, Common Spanning Tree (CST), Common and Internal Spanning Tree (CIST), CIST Regional Root, and other MST instances. Explore concepts such as Region123 MSTI 2, Region456 MSTI 2, and the master port role. Test your knowledge with end-of-video quizzes and benefit from additional resources like flashcards and practice labs to enhance your understanding of MSTP and its role in allowing multiple VLANs to share a single STP instance.