Basic OSPF Configuration on Cisco IOS

🌐 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! 🔧 Learn how to configure OSPF on Cisco routers with this clear, beginner-friendly walkthrough. In this video, I walk you through the basic OSPF setup on Cisco IOS routers, from starting the OSPF process to advertising networks and establishing neighbor adjacencies. 📌 What you'll learn: How to enable OSPF on Cisco IOS routers The purpose and role of OSPF process IDs How to advertise networks with the `network` command OSPF neighbor relationships and DR/BDR elections Why some OSPF routes may not appear in the routing table How to advertise loopback interfaces Verifying OSPF operation using routing tables and ping tests 👍 If you find it helpful, please like the video, subscribe to the channel, and turn on notifications for more networking tutorials. #Cisco #OSPF #Networking #CCNA #RouterConfiguration #telecomTech 🟥 SUBSCRIBE: https://shorturl.at/TTJxx ☑️ Chapter list: ============================================ 00:00 introduction 00:45 OSPF Configuration Behavior 01:16 Enable OSPF 02:47 Advertising a Network 05:55 Examining the established adjacency 07:55 Examining the Routing Table 08:44 Advertising the Loopback Network 10:05 Verification 10:22 Summary 🟩 Related Videos and Links: =============================================== Introduction to OSPF -    • Introduction to OSPF   OSPF Playlist -    • Playlist   🟦 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! #Cisco #OSPF #Networking #CCNA #RouterConfiguration #telecomTech