Virtual eXtensible LAN, or VXLAN is a network virtualization technology that is exceptionally useful for large datacenter and cloud computing deployments. VXLAN has been developed to overcome some of the limitations of scalability that are inherent to more traditional Layer 2 technologies. This series of videos will help you to get a firmer grasp of VXLAN, how it works, and how you can use it.
Curated by: telecomTech (15 videos)
🌐 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 In a couple of previous videos, we went over the Multicast Underlay for VXLAN, and we showed how this can be configured on Cisco Nexus switches. (See links below). There are however some caveats involved with the deployment of a multicast underlay for VXLAN, especially for high-performance high availability datacenters and cloud infrastructure. These caveats have to do with how multicast operates in a typical spine and leaf VXLAN topology. In this video, I will go over some of these weaknesses of a conventional multicast solution and show how an Anycast RP solution is a more appropriate multicast arrangement for VXLAN. Note that to understand the content of this video, it is a good idea to be familiar with the operation of multicast technologies including Protocol Independent Multicast (PIM) Sparse Mode as well as Rendezvous Points (RPs) and Anycast communication. Virtual eXtensible LAN, or VXLAN is a network virtualization technology that is exceptionally useful for large datacenter and cloud computing deployments. VXLAN has been developed to overcome some of the limitations of scalability that are inherent to more traditional Layer 2 technologies. ☑️ Chapter list: ============================================ 00:00 Introduction 00:35 The Multicast Underlay 01:46 Weaknesses of a Multicast Underlay 03:57 Solutions to Redundancy Problem 04:51 Anycast RP Solution 07:24 RP Synchronization 08:56 Summary 🟩 Related Videos and Links: =============================================== VXLAN - Understanding the Multicast Underlay - https://youtu.be/Je93J8D9rL4 VXLAN - Multicast Underlay Configuration on Cisco Nexus Switches - https://youtu.be/9uRvXJGiFA VXLAN - What is it?- https://youtu.be/Jv0IqaM9KOs VXLAN - VNIs, VTEPs, and VXLAN Architecture - https://youtu.be/bcYtFYVmmgM VXLAN - Encapsulation, Headers, and the Packet Transmission Process - https://youtu.be/FgZtkyInHQg VXLAN - Basic Configuration on Cisco Nexus Switches - https://youtu.be/6ti3wDje1fM VXLAN - Spine and Leaf Architecture - https://youtu.be/X_-et0ddZWw VXLAN RFC 7348 - https://datatracker.ietf.org/doc/html/rfc7348 Anycast for IPv4 RFC 1546 - https://datatracker.ietf.org/doc/html/rfc1546 🟦 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! #VXLAN #Multicast #AnycastRP #CiscoNexus #DataCenter #CloudInfrastructure #lazarusagapidis #NetworkVirtualization #PIMSparseMode #Networking #TechTutorial