Network Design

Spanning Tree Protocol — What It Is and How to Implement It in a Business Environment Redundancy is a core principle of resilient network design. If a switch fails or a cable goes bad, you want traffic to reroute automatically without someone manually intervening. The natural answer is to add redundant switch links — multiple paths between switches so that when one fails, another takes over. ...

Subnetting Explained — What It Is, Why It Matters, and How to Calculate It Subnetting is one of those topics that intimidates a lot of people early in their networking journey. The math looks complicated, the terminology is dense, and it’s easy to get lost before you understand why any of it matters. But here’s the truth — once the logic clicks, subnetting becomes one of the most satisfying and practical skills you’ll use in real-world networking. ...