270 events, 1.2 million visitors, and up to 2,000 gamers at a single LAN party: The Leipzig Trade Fair’s network must handle rapidly changing demands. In collaboration with CMS and Extreme Networks, a flexible, multi-site infrastructure was created featuring Wi-Fi 6E, automated data management, and segmented security. This case study demonstrates how even large-scale events with data throughput of up to 20 gigabits can be operated reliably and efficiently.