Blog

A working Cisco Catalyst 9800 deployment and a good one are very different things. This guide pulls together the design decisions that matter most, platform, HA, tags, RF, security, and upgrades, with the CLI to validate each.

The Cisco Catalyst 9800 supports model-driven programmability through NETCONF and RESTCONF. A practical guide to automating WLC configuration and retrieving operational data with YANG models on real wireless deployments.

Traditional polling consumes bandwidth and lags reality. Model-Driven Telemetry streams real-time wireless data from the C9800 using YANG and gRPC. A guide to MDT on the Catalyst 9800 for dashboards and operational insight.

Wi-Fi shares spectrum with Bluetooth, microwaves, cameras, and medical devices that do not follow 802.11 rules. CleanAir and Spectrum Intelligence give you visibility into what is actually breaking your C9800 deployment.

Rogue access points, evil twins, and client misuse can compromise a wireless network daily. A complete walkthrough of rogue detection, WIPS, and client exclusion on the Cisco Catalyst 9800 for production security teams.

WPA2 has protected enterprise Wi-Fi for two decades but modern attacks demand stronger cryptography. A deep dive on WPA3, iPSK, and Enhanced Open on the Cisco Catalyst 9800 for CCNP and CCIE level engineers.