Cisco Catalyst 9800 Series Wireless Controller Release Notes

This document outlines the release notes for the Cisco Catalyst 9800 Series Wireless Controllers, specifically for the Cisco IOS XE Bengaluru 17.5.x software version. It details the new features, enhancements, and resolved issues introduced in this release, providing essential information for network administrators and engineers managing Cisco wireless networks.

The Cisco Catalyst 9800 Series Wireless Controllers are built for intent-based networking, offering high availability, integrated security, and flexible deployment options. This release focuses on improving wireless performance, security, and management capabilities across various Cisco access points and network environments.

Key highlights include support for new antenna technologies, enhanced MU-MIMO capabilities, improved security features like intermediate CA support, and expanded hardware and software compatibility. The document also covers important behavioral changes, upgrade paths, and troubleshooting guidance.

For comprehensive details on specific features, configurations, and supported hardware, please refer to the official Cisco documentation linked within this release note.