A complete guide to building network engineering home labs, comparing GNS3, EVE-NG, and Packet Tracer platforms. Covers hardware requirements, legal image sources, and integrating virtual labs with real networks for hands-on learning.

Follow a packet's complete journey from clicking a link to loading a webpage, covering DNS resolution, ARP, switching, routing, NAT, and TCP connections. This ties together fundamental networking concepts into one coherent story.