Cisco

Smart Licensing, DNA Advantage, and Network Advantage pool-based licensing on the Cisco Catalyst 9800 simplifies tracking but confuses newcomers. A plain-English guide to C9800 licensing, tiers, and SLUP.

Cisco C9800 APs discover, authenticate, and join controllers through a structured multi-phase process. A step-by-step breakdown of the AP join process, DTLS establishment, and operational state transitions for troubleshooting.

CAPWAP is the backbone of every Cisco wireless deployment and most engineers treat it as a black box. Understand how CAPWAP works under the hood on the C9800 so you can troubleshoot faster and design smarter.

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 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.