OSPF – The Backbone of Enterprise Networks If you’re diving into networking, OSPF (Open Shortest Path First) is one of the most important protocols to master. #ospf #routing #routingandswitching #router #Cisco #Networking #networkengineer #CCNA #CCNP #networkingwithisrar | Networking with Israr

⚙️DR & BDR in OSPF — Explained In OSPF, not every router becomes the leader. That’s why we have DR (Designated Router) and BDR (Backup Designated Router) to reduce unnecessary traffic and improve efficiency. 💡 Why DR & BDR are Used? ✔ Reduces OSPF traffic ✔ Manages adjacency relationships ✔ Efficient database exchange ✔ Used in multi-access networks (like Ethernet) 🔑 Election Rule: 👉 Highest priority wins 👉 If same priority → Highest Router ID wins 📌 Most asked in CCNA / CCNP exams & job in