A practical, hands-on guide to getting lighting, video, audio, and control systems talking reliably. We’ll demystify IP addresses, subnets, gateways, DHCP vs. static setup, and the switch features that matter most (VLANs, port management, PoE, and monitoring). Using real entertainment workflows, you’ll learn how to plan a network, label and document it, and troubleshoot common “nothing’s talking” problems fast.