Spanning Tree Protocol Explained | Step by Step

Join the Discord Server! https://discord.com/invite/QZ2B9GA3BH --------------------- MY FULL CCNA COURSE ? CCNA - https://certbros.teachable.com/p/cisco-ccna?utm_source=youtube&utm_medium=desc&utm_campaign=CCNA FREE CCNA FLASHCARDS ? CCNA Flashcards - https://certbros.com/ccna/flashcards HOW TO PASS THE CCNA ? Get a great book - https://amzn.to/3f16QA5 ? Take a video course - https://certbros.teachable.com/p/cisco-ccna?utm_source=youtube&utm_medium=desc&utm_campaign=CCNA ✔ Use practice exams - https://www.certbros.com/ccna/Exsim SOCIAL ? Twitter - https://twitter.com/certbros ? Instagram - https://www.instagram.com/certbros ? LinkedIn - https://www.linkedin.com/company/certbros ? Discord - https://www.certbros.com/discord Disclaimer: These are affiliate links. If you purchase using these links, I'll receive a small commission at no extra charge to you. --------------------------------------------------------------------------------------------------------------- Spanning Tree Protocol / STP is a big topic on the CCNA exam. Many people struggle with STP so in this video, we try to break it down as much as possible. Spanning Tree follows a strict set of rules which when learnt, will allow you to answer any STP questions you get. This video focus on the standard 802.1d (and PVST+) which is the original STP standard. Election Process 1. Elect a Root Bridge Switch with the lowest BID 2. Place all Root Bridge interfaces in to a Forwarding state 3. Each Non-Root switch elects a Root Port Lowest cost Lowest neighbour BID Lowest neighbour port priority Lowest neighbour port number 4. Elect a Designated Port Lowest root cost Lowest BID Lowest neighbour port priority Lowest neighbour port number 5. All other ports are placed in to a Blocking State #ccna #cisco #networking