Explore the concept of Maximum Transmission Unit (MTU) in this comprehensive video from the CCNP ENCOR 350-401 course. Learn about Ethernet MTU, IP MTU, System MTU, and Path MTU Discovery through detailed explanations, demonstrations, and practical examples. Gain hands-on experience with an MTU demo using Extended Ping and understand the implications of MTU in GRE configurations. Test your knowledge with end-of-video quizzes and benefit from a summary of essential commands. This in-depth tutorial is part of a free and complete course designed to prepare you for the CCNP ENCOR 350-401 exam, offering lecture videos, flashcards, and practice labs to enhance your networking skills.