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Introduction to C9800-80-universalk9_wlc.17.09.04.SPA.bin This firmware update for Cisco Catalyst 9800 Series Wireless Controllers addresses critical stability and security requirements in enterprise WiFi 6/6E deployments. Released in Q2 2025 under Cisco’s Extended Maintenance program, the 17.09.04 build resolves CAPWAP session management...

Introduction to C9800-80-universalk9_wlc.17.09.03.SPA.bin This software package delivers Cisco IOS XE Amsterdam 17.9.3 for Catalyst 9800 Series Wireless Controllers, addressing critical network stability and security requirements for enterprise wireless deployments. Released in Q1 2025, the version enhances controller failover reliability and...

Introduction to C9800-80-universalk9_wlc.17.03.07.SPA.bin This software package delivers Cisco IOS XE Amsterdam 17.3.7 for Catalyst 9800 Series Wireless Controllers, specifically engineered for enterprise-grade wireless network management. Released in Q3 2024, this version focuses on operational continuity with enhanced AP upgrade reliability...

Introduction to C9800-80-universalk9_wlc.17.03.06.SPA.bin This firmware package delivers critical updates for Cisco Catalyst 9800-80 Wireless Controllers running IOS XE 17.3.x releases. Officially released in Q1 2025, it addresses stability issues in high-density Wi-Fi 6E deployments while introducing enhanced security protocols for...

Introduction to C9800-80 Software The C9800-80 software package delivers Cisco’s enterprise-grade wireless control capabilities through IOS XE 17.15.1, specifically engineered for the Catalyst 9800 Series Wireless Controllers. This version focuses on industrial IoT optimization and mission-critical network reliability, supporting deployments...

Introduction to C9800-80-universalk9_wlc.17.12.01.SPA.bin This software release delivers critical stability enhancements for Cisco Catalyst 9800 Series Wireless Controllers operating in enterprise networks. Part of the IOS XE Dublin 17.12.x release train, it resolves 14 documented defects impacting Software-Defined Access (SDA) Wireless...

Introduction to C9800-80-universalk9_wlc.17.09.05.SPA.bin This software release resolves critical high-availability (HA) configuration vulnerabilities for Cisco Catalyst 9800-80 Wireless Controllers operating in enterprise environments. As part of the IOS XE Cupertino 17.9.x release train, it specifically addresses defects causing configuration loss during...

Introduction to C9800-80-universalk9_wlc.17.03.08.SPA.bin This software release delivers critical stability improvements for Cisco Catalyst 9800 Series Wireless Controllers operating in distributed enterprise networks. As part of the IOS XE Amsterdam 17.3.x train, it specifically addresses 14 documented defects impacting high-availability deployments...

Introduction to C9800-80 Software The C9800-80 represents Cisco’s flagship wireless LAN controller software for enterprise-grade networks, supporting the Catalyst 9800-80 hardware platform running IOS XE Amsterdam 17.9.3. This release focuses on enhancing Wi-Fi 6/6E deployment capabilities while addressing critical stability...

Introduction to C9800-80 Software The C9800-80 software package delivers Cisco’s enterprise-grade wireless network management capabilities for Catalyst 9800 Series controllers operating on IOS XE Amsterdam 17.12.x code trains. This release specifically addresses critical vulnerabilities identified in Cisco’s 2024 Q4 security...