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Rrathsararr-cyber.hashnode.devJul 22 · 9 min read

Everything Passed. Then the End-to-End Ping Failed.

I dedicated my final year project to an unsung hero. Stanislav Petrov, the Soviet lieutenant colonel who prevented nuclear war by deciding not to trust a system that told him it was certain. My superv

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SPSuraj Pokhrelsurajpokhrel.com.npJul 16 · 5 min read

Demystifying DNS64 and NAT64: How an IPv6 Network Talks to an IPv4 World

As the global pool of public IPv4 addresses continues to run completely dry, Internet Service Providers (ISPs) face a massive architectural challenge. They must transition their core infrastructure an

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NKNiya Kohlisterlingnext.hashnode.devJun 8 · 8 min read

How to Get CCNA Certification A Beginner's Guide to Cisco Networking

A strong understanding of networking remains one of the most valuable skills in information technology. Whether supporting enterprise infrastructure, managing network security, or troubleshooting conn

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SCShoban Chiddarthshobanchiddarth.hashnode.devMar 2 · 6 min read

My Network Engineering Home Lab setup

Introduction A while ago, I built a home lab to gain hands-on experience with Linux server administration and network engineering. Using some old hardware, a ThinkCentre M81 desktop and a Tenda router

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MSMohammad Shariful Islamshariful-islam.hashnode.devJan 20 · 5 min read

The OSI Model Simplified

The OSI (Open Systems Interconnection) model is a conceptual framework created by ISO to explain how data moves across a network. It is not a software stack It is not implemented as code It is a mental model Think of OSI as: A map, not the road...

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EKElkmirl Kuuku Carterelkmirlcarter.hashnode.devOct 29, 2025 · 13 min read

From Zero To Network Admin: Building My first Enterprise Network.

INTRODUCTION I am Elkmirl Kuuku Carter, and as the heading says, “I started from Zero.” This is my story. The tech world always felt different, but I didn't really understand it—setting up systems, coding and programming, typing commands, breaking an...

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WHWilliam Hustonthequantumnode.hashnode.devOct 1, 2025 · 4 min read

20 - Edsger Dijkstra: The Algorithim and Its Creator

Admiration of a Mathematician Growing up, I loved sports, and my favorite people were athletes. Their discipline, teamwork, and determination inspired me. However, as I matured, I still respected their grit and discipline, but I entered the engineeri...

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ANAlex Nyamburablog.lxmwaniky.meAug 16, 2025 · 7 min read

Understanding APIPA

What Is APIPA and Why Should You Care? Have you ever connected your computer to a network and found that you can't access the internet, but you can somehow still see other computers nearby? You might have encountered APIPA without knowing it. APIPA s...

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SPSooryah Prasathnetworkautomation.hashnode.devJun 18, 2025 · 4 min read

1. Network Automation: Breaking Free from Manual Network Management

The Traditional Network Management Landscape If you've been managing networks for years, you're intimately familiar with the drill: logging into devices one by one, manually configuring settings, running individual commands, and meticulously document...

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ACAnthony Ceperohomelab.hashnode.devMay 14, 2025 · 2 min read

Upgrading Network Infrastructure

With more people working from home, more IoT devices creeping into daily life, and an increasing desire to self-host services, it was time to take control. I wanted better Wi-Fi coverage, proper segmentation for security, a way to make full use of my...

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#network-engineering

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Trending tags this week

Everything Passed. Then the End-to-End Ping Failed.

Demystifying DNS64 and NAT64: How an IPv6 Network Talks to an IPv4 World

How to Get CCNA Certification A Beginner's Guide to Cisco Networking

My Network Engineering Home Lab setup

The OSI Model Simplified

From Zero To Network Admin: Building My first Enterprise Network.

20 - Edsger Dijkstra: The Algorithim and Its Creator

Understanding APIPA

1. Network Automation: Breaking Free from Manual Network Management

Upgrading Network Infrastructure