Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Learn about the PVST simulation mechanism used when connecting switches running Multiple Spanning Tree Protocol (MSTP) to those running Per-VLAN Spanning Tree Plus (PVST+) in this comprehensive video tutorial. Explore the configuration of MST regions, understand the process of connecting MST regions to PVST+ domains, and discover the role of Common and Internal Spanning Tree (CIST) Root in both MST regions and PVST+ domains. Test your knowledge with end-of-video quizzes and gain valuable insights for the CCNP ENCOR 350-401 exam. This tutorial is part of a free and complete course covering all topics in the Cisco official exam topics list, offering lecture videos, quizzes, flashcards, and practice labs for hands-on experience.