Catalyst 9800

Cisco's wireless LAN controller platform. Articles tagged Catalyst 9800 cover WLAN profiles, policy and RF tags, AP join behavior and controller troubleshooting.

Latest posts

Wireless
Cisco IOS XE
Catalyst 9800
CML

Jun 12, 2026

Catalyst 9800-CL Day 0 Configuration, Line by Line (9800 Series Part 2)

Part 2 of the 9800 Wireless Labs: bring up the wired underlay, then walk the 9800-CL through Day 0 line by line: wireless management interface, country code, admin access, and the self-signed certificate every AP join depends on. Captured live.

Wireless
Cisco IOS XE
Catalyst 9800
CML

Jun 12, 2026

Build a Catalyst 9800-CL Wireless Lab in Cisco Modeling Labs (9800 Series Part 1)

Part 1 of the PingLabz 9800 Wireless Labs: build a Catalyst 9800-CL topology in Cisco Modeling Labs from an empty canvas, with a small wired campus underneath and a bridge to a physical network.

Wireless
Catalyst 9800
CML
Labs

Jun 12, 2026 members

Catalyst 9800

Latest posts

Catalyst 9800-CL Day 0 Configuration, Line by Line (9800 Series Part 2)

Build a Catalyst 9800-CL Wireless Lab in Cisco Modeling Labs (9800 Series Part 1)

Catalyst 9800 Wireless Series: Lab Files & Downloads