J

The Cisco Catalyst 9800 deploys as physical, virtual, cloud, or embedded, and the choice shapes your operations for years. A plain comparison of C9800 deployment models with the tradeoffs that actually matter.

AireOS ran enterprise wireless for 15 years. The Cisco Catalyst 9800 rebuilds the controller on IOS-XE with a modular architecture and a new configuration model. A side-by-side look at what actually changed and why it matters.

The Cisco C9800 configuration model uses tags, profiles, and policies instead of flat global settings. A clear guide to the five core profiles and how they fit together to drive every AP and WLAN on the controller.

The Cisco Catalyst 9800 is a multiprocess, data-model-driven WLC built on IOS-XE. A deep dive into the hardware and software architecture including processes, dataplane, and fault domains for troubleshooting intelligence.

The Cisco Catalyst 9800 replaces AireOS-based WLCs with a modular IOS-XE platform. A platform overview covering every model, from C9800-L to C9800-CL and embedded, so you can pick the right controller for your deployment.

The Cisco Catalyst 9800 is the current generation of enterprise wireless controllers, built on IOS-XE and designed for Wi-Fi 6, 6E, and 7. A complete reference guide covering models, architecture, config model, and every core feature.