Catalyst 9800-CL Day 0 Configuration, Line by Line (9800 Series Part 2)
This is Part 2 of the PingLabz 9800 Wireless Labs series. In Part 1 we built the topology in Cisco
7 min read
Wireless
Enterprise Wi-Fi on Cisco Catalyst 9800, the WLC platform that replaced the AireOS generation. Articles tagged Wireless cover the configuration model, AP join, WPA3, FlexConnect, RRM, fast roaming, SSO HA, and IOS XE troubleshooting.
49 posts
Build a Catalyst 9800-CL Wireless Lab in Cisco Modeling Labs (9800 Series Part 1)
This is Part 1 of the PingLabz 9800 Wireless Labs series. Over the next several posts (and matching YouTube videos)
5 min read
Cisco Wireless LAN Controller: What It Does and How It Works
What a Cisco WLC does: split-MAC architecture, CAPWAP tunnels, the AP join process, AireOS vs Catalyst 9800, the profile-and-tag config model, and FlexConnect.
4 min read
Wi-Fi 7 for Cisco Shops: Upgrade Now or Wait?
Wi-Fi 7 is shipping and Cisco has a full 802.11be AP lineup, but the real question is whether your environment, wiring, and refresh timing justify the spend now. A practical upgrade decision guide for wireless architects.
14 min read
Backing Up, Restoring, and Upgrading the Cisco C9800
Backup, restore, and upgrade on the Cisco C9800 look simple until they are not. A full lifecycle walkthrough with Install mode, ISSU, SMU, N+1 rolling upgrades, and the gotchas that never fit on a GUI tooltip.
9 min read