🧮 EIGRP Metric Calculation Understanding the “Best Path” Enhanced Interior Gateway Routing Protocol (EIGRP) is fundamentally a distance vector routing protocol, but it surpasses older protocols li...

🧭 EIGRP Feasibility Condition (FC): The Secret Behind Loop-Free Routing EIGRP (Enhanced Interior Gateway Routing Protocol) is famous for its lightning-fast convergence — recovering from network fa...

🧠 EtherChannel – The Ultimate Technical Guide Learn. Revise. Interview. Repeat. 📌 A complete EtherChannel reference built for learners, job seekers, interviewers, and network professionals. 💡 Cov...

🕒 EIGRP TIMERS: THE CLOCKWORK BEHIND RAPID CONVERGENCE Overview: Enhanced Interior Gateway Routing Protocol (EIGRP) is known for its fast convergence powered by the Diffusing Update Algorithm (DUA...

DHCP Deep Dive — From Basics to Packet-Level (For Network Engineers) This guide is for network engineers who want to deeply understand DHCP — from its core function to full packet-level inspect...

🌐 Masterclass Notes: OSPF Virtual Links (The ABR Tunnel) 📘 Overview OSPF (Open Shortest Path First) adheres to a strict hierarchical model: 🔗 All non-backbone areas must connect directly to ...

🚀 How to Upload an Image to EVE-NG (Ultimate Step-by-Step Guide) Whether you’re a network engineer, a student preparing for certifications, or an IT professional building labs, EVE-NG (Emulated Vi...

OSPF Stub Area Concepts – Comprehensive Technical Notes 1. Introduction In large-scale OSPF (Open Shortest Path First) networks, stub areas are used to optimize scalability and reduce unnecessary...

🌐 OSPF LSA Types – The Complete Guide (OSPFv2 & OSPFv3) For Interviewers Learners Network Engineers Troubleshooters 🔍 What are ...

✅ OSPF Network Types – Complete Technical Notes 🔧 What Are OSPF Network Types? OSPF (Open Shortest Path First) network types define how routers communicate over different media. They control: ...