Blog

AAA is the foundation of enterprise wireless security. A Cisco Catalyst 9800 RADIUS and AAA configuration guide covering method lists, authentication, accounting, and server groups for scalable wireless policy.

FlexConnect pushes intelligence to the edge of your network, giving remote APs autonomy and cutting WAN dependency. A Cisco C9800 FlexConnect configuration guide covering local switching, ACLs, and survivability.

Moving from AireOS to the Cisco Catalyst 9800 means learning a profile-and-tag WLAN model that trips up even experienced wireless engineers. A practical guide to WLAN configuration on the C9800 with GUI and CLI examples.

Getting the Cisco Catalyst 9800 initial setup right determines how smoothly every later step works. A step-by-step configuration guide covering IPs, NTP, country code, certs, and AP join readiness on C9800-40, C9800-CL, and embedded.

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.