Network Layer Everything Explained in Detail | IP, Routing, Packets, ICMP Made Easy

The Network Layer is the backbone of the Internet.
It decides how data packets travel from one device to another across different networks.

In this video, I explain the Network Layer in detail, covering all its responsibilities, components, and protocols, in a simple, visual, and beginner-friendly way.

This topic is crucial for networking fundamentals, system design, cloud, DevOps, cybersecurity, and interview preparation.

🌐 In This Video You Will Learn

✔ What is the Network Layer?
✔ Network Layer in OSI vs TCP/IP Models
✔ Role of IP in Internet communication
✔ IPv4 & IPv6 basics
✔ Logical addressing & IP addressing explained
✔ Subnetting basics & CIDR notation
✔ Routing vs Forwarding explained
✔ How routers make routing decisions
✔ Routing algorithms (Distance Vector, Link State – overview)
✔ ICMP & error handling
✔ Packet fragmentation & MTU
✔ How data travels across networks (end-to-end)
✔ Network Layer role in system design & large-scale systems

This video is perfect for:
🔰 Networking beginners
🎓 CS / IT students
💻 System Design & Backend learners
🌐 Cloud, DevOps & Cybersecurity engineers
🧠 Networking interview preparation

If this video helped you understand the Network Layer clearly,
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TechningEasy — Tech Made Simple.
1️⃣ Network Layer Explained in Detail | IP, Routing, Packets, ICMP Made Easy
2️⃣ What Is the Network Layer? | IP Addressing, Routing & Forwarding Explained Simply
3️⃣ Network Layer Deep Dive | How Data Travels Across Networks (OSI & TCP/IP)
4️⃣ Network Layer in Networking | IP, Routers, Subnetting, Routing Explained
5️⃣ Understanding the Network Layer | Backbone of Internet Communication

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