OSPF DR & BDR Explained from Basic | Designated Router & Backup Designated Router | CCNA

*DR & BDR in OSPF Explained | Designated Router & Backup Designated Router | CCNA* In this video, we will learn about *DR (Designated Router) and BDR (Backup Designated Router) in OSPF* from the basics. OSPF uses DR and BDR to reduce unnecessary routing updates and improve efficiency in multi-access networks like Ethernet. Topics covered in this video: ✅ What is DR in OSPF? ✅ What is BDR in OSPF? ✅ Why do we need DR/BDR? ✅ OSPF election process ✅ DR/BDR election rules ✅ OSPF Priority and Router ID role ✅ How to verify DR and BDR using Cisco commands ✅ Real topology example in GNS3/Packet Tracer This video is helpful for: 📌 CCNA Preparation 📌 Computer Engineering Students 📌 Networking Beginners 📌 Cisco Routing & Switching Learners Learn networking step by step with practical examples. #OSPF #DRBDR #CCNA #CiscoNetworking #NetworkingBasics #GNS3 #RoutingProtocols