BGP - What are BGP Communities?

Video Description

🌐 Visit https://www.telecomtech.io for blog posts, networking tips, and to sign up for the newsletter. 📚 Coming soon: Full networking courses, labs, quizzes, PDFs, and more! 🟥 SUBSCRIBE: https://shorturl.at/TTJxx BGP communities are BGP attributes that are added to a BGP update about a particular route. These attributes are used to affect things like traffic engineering, dynamic routing policies, or a whole slew of other capabilities. In this video, we'll explore BGP communities so that we can gain a better understanding of what they are and what their purpose is. ☑️ Chapter list: ============================================ 00:00 Introduction 00:29 What are BGP Communities? 01:22 Details of Community Operation 02:02 Well-Known Communities 03:34 Well-Known Communities in Action 05:57 Custom Communities 08:11 Summary 🟩 Related Videos and Links: =============================================== Video: What are BGP Confederations? - https://youtu.be/__ZlyKm4du0 Video: What is the AS_PATH Attribute? - https://youtu.be/Rw1Ps2JTtPc Video: What is the BGP Local Preference Attribute? - https://youtu.be/n-CYvVm8aUI Video: What is BGP? - https://youtu.be/fo9YxxKNO_g Video: eBGP vs iBGP - What's the difference? - https://youtu.be/3x7yztGSY-g Video: BGP attributes and determining the best path - https://youtu.be/ZZRsPcNllbU Video: BGP - Why does BGP require an IGP to function? - https://youtu.be/SN_TDZ2eDAA BGP Official Definition RFC 4271 - https://datatracker.ietf.org/doc/html/rfc4271 🟦 About ============================================== Welcome to telecomTech, where telecom and networking technologies... are simply explained! I’m Lazarus, a telecom professional with over 25 years of experience in network design, architecture, and telecom technologies. Over my career, I’ve led major projects, trained professionals, and helped countless individuals earn certifications and advance their careers. My goal is to make networking and telecom concepts clear, practical, and engaging—the way I wish they were taught when I started learning! Whether you’re a student, a professional growing your skills, or you're preparing for certification exams such as Cisco, telecomTech is here to guide you. Every video is crafted to help you solve real-world challenges with confidence and curiosity. Join me as we explore telecom and networking as a lifelong passion, not just as a job. Let’s make this journey of growth and discovery together! #bgp #bgpCommunities #bgpattributes #trafficengineering #routingpolicies #lazarusagapidis