Computer networking is the digital nervous system of modern enterprises. It governs how systems communicate, how users connect, and how services perform. But even the most advanced network architectures can crumble under the weight of preventable missteps. Misconfigurations, overlooked protocols, and short-sighted decisions can all result in performance degradation, security vulnerabilities, or catastrophic outages. Understanding the most critical networking mistakes avoid is essential to building resilient, secure, and scalable systems. 1. Neglecting Proper Network Design Too many organizations rush into deployment without a comprehensive design phase. Improvised network layouts often lack logical segmentation, redundancy, or future scalability. Flat network structures, while easier to set up, can create broadcast storms, limit…