Cisco Catalyst 9800 Series Wireless Controllers
| Overview | Product Overview |
|---|---|
| Product Type | Wireless LAN Controller |
| Status | Available Order |
| Series Release Date | 13-NOV-2018 |
| Diagram | Visio Stencil (29 MB .zip file) |
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Recent Security Notices
- 05-Aug-2026
- 19-May-2026
- 20-Apr-2026
- 20-Jan-2026
- 07-Jan-2026
Document Categories
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Collections
- Cisco Catalyst Wireless Family Licensing
Licensing
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Data Sheets and Product Information
- Cisco Catalyst 9800 Series Wireless Controllers At-a-Glance
- Cisco CW9800L Wireless Controller Platform At-a-Glance
- Connect School and Digitize Learning At-a-Glance
- Enable Enterprise-Class Wi-Fi for Mid-Market Companies with Cisco Catalyst EWC At-a-Glance
- Cisco Embedded Wireless Controller on Catalyst Access Points At-a-Glance
At-a-Glance
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- Cisco Wireless Ordering Guide
- Cisco Catalyst 9800-CL Wireless Controller for Cloud Data sheet
- Cisco Catalyst CW9800M Wireless Controller Data Sheet
- Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllers Data Sheet
- Cisco CW9800L Wireless Controller Data Sheet
- Cisco Embedded Wireless Controller on Catalyst Access Points Data Sheet
- Cisco Catalyst 9800-L Wireless Controller Data Sheet
- Cisco Catalyst 9800-80 Wireless Controller Data Sheet
- Cisco Catalyst 9800-40 Wireless Controller Data Sheet
Data Sheets
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.17.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.15.x
- End-of-Sale and End-of-Life Announcement for the Cisco Wireless Licenses
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.9.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.16.x
- End-of-Sale and End-of-Life Announcement for the Cisco Catalyst C9800-40/-80 Wireless LAN Controller
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.12.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.14.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.13.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.11.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.10.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.6.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.8.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.7.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.3.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.5.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 16.12.x
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.2.x
- End-of-Sale and End-of-Life Announcement for the Cisco 17.1.x Release EoL
End-of-Life and End-of-Sale Notices
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Security Notices
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Applicable to Multiple Models
- Field Notice: FN74383 - Cisco Access Points That Are Running, Or Have Run, Releases 17.12.4, 17.12.5, 17.12.6, or 17.12.6a May Exhaust Flash Space, Preventing Upgrades - Software Upgrade Recommended
- Field Notice: FN74148 - PAK and RTU Licenses Cannot Be Converted to Smart Licenses When Doing Direct (Long-Jump) Upgrades from Cisco IOS XE Software Release 17.3 or Earlier to Release 17.11 or Later - Workaround Provided
- Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
- Field Notice: FN74109 - Access Point Image Corruption During CAPWAP Upgrade May Result in Boot Failure - Software Upgrade Recommended
- Field Notice: FN74160 - A Limited Subset of Memory Modules in Cisco Catalyst 9800-L Wireless Controllers May Fail Prematurely - Hardware Upgrade Available
- Field Notice: FN72524 - During Software Upgrade/Downgrade, Cisco IOS APs Might Remain in Downloading State After December 4, 2022 Due to Certificate Expiration - Software Upgrade Recommended
- Field Notice: FN72323 - Cisco IOS XE Software: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing, Smart Call Home, and Other Functionality - Software Upgrade Recommended
- Field Notice: FN72578 - Cisco IOS XE - Smart Licensing Using Policy Might Cause High CPU/Memory Usage - Software Upgrade Recommended
- Field Notice: FN74222 - Full or Partial Cisco 9800 Series Wireless Controller Configuration Loss after High-Availability Stateful Switchover Failover - Software Upgrade Recommended
Field Notices
- Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability
- Cisco Access Point Software Intermittent IPv6 Gateway Change Vulnerability
- Cisco Wireless Access Point Software Device Analytics Action Frame Injection Vulnerability
- Cisco Access Point Software Uncontrolled Resource Consumption Vulnerability
- Cisco Unified Industrial Wireless Software for Ultra-Reliable Wireless Backhaul Access Point Command Injection Vulnerability
- Cisco Access Point Software Denial of Service Vulnerability
- Cisco Access Point Software Secure Boot Bypass Vulnerability
- Cisco Aironet Access Point Software Resource Exhaustion Denial of Service Vulnerability
- Cisco Catalyst 9100 Access Points Denial of Service Vulnerability
- Cisco Access Point Software Command Injection Vulnerability
- Cisco Access Point Software Denial of Service Vulnerability
- Cisco Access Point Software Association Request Denial of Service Vulnerability
- Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022
- Cisco Access Points VLAN Bypass from Native VLAN Vulnerability
- Cisco Catalyst 9100 Series Access Points Association Request Denial of Service Vulnerability
Security Advisories, Responses and Notices
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Release and Compatibility
- Cisco Wireless Solutions Software Compatibility Matrix
- Compatibility Matrix for Legacy Cisco Wireless Solutions
Compatibility Information
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.18.4a
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.15.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Dublin Release 17.12.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Cupertino Release 17.9.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 26.1.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.18.3
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.18.2
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.18.1
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.17.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.16.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Bengaluru Release 17.6.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.14.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Release 17.13.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Amsterdam Release 17.3.x
- Release Notes for Cisco Catalyst 9800 Series Wireless Controller, Cisco IOS XE Dublin Release 17.11.x
Release Notes
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Reference
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9800
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Programmability
- Programmability Command Reference, Cisco IOS XE 17.18.x
- Programmability Command Reference, Cisco IOS XE 17.17.x
- Programmability Command Reference, Cisco IOS XE 17.16.x
- Programmability Command Reference, Cisco IOS XE 17.15.x
- Programmability Command Reference, Cisco IOS XE 17.14.x
- Programmability Command Reference, Cisco IOS XE 17.13.x
- Programmability Command Reference, Cisco IOS XE Dublin 17.12.x
- Programmability Command Reference, Cisco IOS XE Dublin 17.11.x
- Programmability Command Reference, Cisco IOS XE Dublin 17.10.x
- Programmability Command Reference, Cisco IOS XE Cupertino 17.9.x
- Programmability Command Reference, Cisco IOS XE Cupertino 17.8.x
- Programmability Command Reference, Cisco IOS XE Cupertino 17.7.x
- Programmability Command Reference, Cisco IOS XE Bengaluru 17.6.x
- Programmability Command Reference, Cisco IOS XE Bengaluru 17.5.x
- Programmability Command Reference, Cisco IOS XE Gibraltar 16.12.x
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Others
- Programmability Command Reference, Cisco IOS XE 26.x.x
Command References
- Understand Certificate and Trustpoint Types on the 9800 WLC
- Cisco Wireless EST On-Prem Deployment Guide
- Cisco Active Testing for Wireless with ThousandEyes On-Prem Deployment Guide
- Cisco Catalyst 9800 Series Configuration Best Practices
- Cisco Wireless MACsec On-Prem Deployment Guide
- Cisco 9800 Wireless Resilient Infrastructure
- Cisco Catalyst Center AI-Enhanced RRM Deployment Guide
- Review and Recommendations for AirSnitch
- URWB on Cisco Wireless Use Case and Country Support
- Easy PSK Deployment Guide
- In-Service Software Upgrade (ISSU)
- Understand the AP Join Process with the Catalyst 9800 WLC
- WPA3 Deployment Guide
- Cisco Catalyst 9800 Wireless Controller for Cloud on Microsoft Azure Deployment Guide
- High Availability SSO Deployment Guide for Cisco Catalyst 9800 Series Wireless Controllers, Cisco IOS XE Bengaluru 17.6 (PDF)
Technical References
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Design
- Impact of Dual Wi-Fi Acceleration on Enterprise Networks
Design Guides
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Install and Upgrade
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Applicable to Multiple Models
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Cisco Catalyst 9800-80 Wireless Controller
- Cisco Catalyst 9800-80 Wireless Controller Hardware Installation Guide
- Instructions for Addressing the Cisco Secure Boot Hardware Tampering Vulnerability on Cisco Catalyst 9800-80 Wireless Controller
- Regulatory Compliance and Safety Information—Cisco Catalyst 9800-80 Wireless Controller (PDF - 4 MB)
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Cisco Catalyst 9800-40 Wireless Controller
- Cisco Catalyst 9800-40 Wireless Controller Hardware Installation Guide
- Instructions for Addressing the Cisco Secure Boot Hardware Tampering Vulnerability on Cisco Catalyst 9800-40 Wireless Controller
- Regulatory Compliance and Safety Information—Cisco Catalyst 9800-40 Wireless Controller (PDF - 4 MB)
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Cisco Catalyst 9800-L Wireless Controller
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Cisco Catalyst CW9800H2 Wireless Controller
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Cisco Catalyst CW9800H1 Wireless Controller
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Cisco Catalyst CW9800M Wireless Controller
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Cisco CW9800L
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Cisco Catalyst 9800 Wireless Controller for Cloud
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Videos
Install and Upgrade Guides
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Cisco Catalyst 9800-80 Wireless Controller
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Cisco Catalyst 9800-L Wireless Controller
- Upgrade Software on Catalyst 9800 with N+1 Rolling AP Upgrade
- Upgrade the Catalyst 9800 WLC Quick Start Guide
- Upgrade Catalyst 9800 WLC HA SSO Using ISSU
- Change Installation Modes on Catalyst 9800 Wireless Controller
- List Cisco IOS XE Wireless Features per Release
- Implement Software-Defined Access for Wireless with DNA
- Migrate from AireOS WLC to Catalyst 9800 with WLANPoller
- Deploy Yang Suite and Test XPath on Catalyst 9800 WLC
- Understand Access Point Image Upgrades for Remote Deployments
- Safely Upgrade Access Points, Avoiding Image Corruption That Causes Boot Loop
- Recover from a Boot Loop Caused by Image Corruption on Wave 2 and 11ax Access Points (CSCvx32806)
Install and Upgrade TechNotes
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Configuration
- Configure Posture on Catalyst 9800 WLC and ISE
- Configure DHCP OPTION 43 for Lightweight Access Points
- Configure Catalyst 9800 WLC Smart Licensing Using Policy with Catalyst Center
- Configure Mobility Topologies on Catalyst 9800 WLCs
- Configure Offline (Air-gapped) Licensing on 9800 WLC
- Configure HA SSO on Catalyst 9800 Quick Start Guide
- Configure 802.1X Authentication on Catalyst 9800 Wireless Controller Series
- Configure EAP-TLS on 9800 WLC with ISE Internal CA
- Configure URWB on the Catalyst 9800 for Point-to-Multipoint Deployment
- Configure URWB on the Catalyst 9800 for Mobility Deployment
- Configure Catalyst 9800 WLC iPSK with ISE
- Configure Enhanced Open SSID with Transition Mode - OWE
- Configure and Verify SGACL on Catalyst 9800 WLC and ISE Server
- Configure QoS Rate Limit on Catalyst 9800 Wireless Controllers
- Understand and Configure AAA Cache for TLS on 9800 WLC
Configuration Examples and TechNotes
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.15.x
- Programmability Configuration Guide, Cisco IOS XE 26.x.x
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 26.1.x
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.18.x
- Programmability Configuration Guide, Cisco IOS XE 17.18.x
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.17.x
- Programmability Configuration Guide, Cisco IOS XE 17.17.x
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.16.x
- Programmability Configuration Guide, Cisco IOS XE 17.16.x
- Smart Licensing Using Policy for Cisco Wireless Controllers
- Programmability Configuration Guide, Cisco IOS XE 17.15.x
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.14.x
- Programmability Configuration Guide, Cisco IOS XE 17.14.x
- Cisco Catalyst 9800 Series Wireless Controller Software Configuration Guide, Cisco IOS XE 17.13.x
- Programmability Configuration Guide, Cisco IOS XE 17.13.x
Configuration Guides
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Maintain and Operate
- User Guide for Cisco User Defined Network Mobile Application
End-User Guides
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Cisco Catalyst 9800-L Wireless Controller
- Validate Wi-Fi Throughput Testing and Monitoring Guide
- Replace an RMA 9800 WLC in HA SSO with Catalyst Center Integration
- Understand CAPWAP AP PMTU Discovery
- Understand mDNS on Catalyst 9800 Wireless Controller
- Understand AP Join Issues with Regulatory Mismatch and -ROW Domain
- Understand RADIUS MTU and Fragmentation on 9800 WLC
- Configure Advanced gRPC Workflow with Telegraf, InfluxDB and Grafana on Catalyst 9800
- Use Prime Infrastructure to Back Up the WLC Configuration
Maintain and Operate TechNotes
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Troubleshooting
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System Message Guides
- System Message Guide for Cisco IOS XE 26.1.x
- System Message Guide for Cisco IOS XE 17.18.x
- System Message Guide for Cisco IOS XE 17.17.x
- System Message Guide for Cisco IOS XE 17.16.x
- System Message Guide for Cisco IOS XE 17.15.x
- System Message Guide for Cisco IOS XE 17.14.x
- System Message Guide for Cisco IOS XE 17.13.x
- System Message Guide for Cisco IOS XE Dublin 17.12.x
- System Message Guide for Cisco IOS XE Dublin 17.11.x
- System Message Guide for Cisco IOS XE Dublin 17.10.x
- System Message Guide for Cisco IOS XE Cupertino 17.9.x
- System Message Guide for Cisco IOS XE Cupertino 17.8.x
- System Message Guide for Cisco IOS XE Cupertino 17.7.x
- System Message Guide for Cisco IOS XE Bengaluru 17.6.x
- Cisco Catalyst 9800 Series Wireless Controller System Message Guide, Cisco IOS XE Bengaluru 17.5.x (XLSX)
- Cisco Catalyst 9800 Series Wireless Controller System Message Guide, Cisco IOS XE Bengaluru 17.4.x (XLSX)
- Cisco Catalyst 9800 Series Wireless Controller System Message Guide, Cisco IOS XE Amsterdam 17.3.x (XLSX)
- Cisco Catalyst 9800 Series Wireless Controller System Message Guide, Cisco IOS XE Amsterdam 17.2.x (XLSX)
Error and System Messages
- Recover a Catalyst 9800 Controller from ROMMON Mode
Password Recovery
- Recommended Cisco IOS XE Releases for Catalyst 9800 Wireless LAN Controllers
- Troubleshoot Wireless LAN Controller CPU Load
- Troubleshoot Inaccurate/Unexpected Noise Levels Reported on COS APs
- Troubleshoot Wireless Issues with Catalyst Center
- Troubleshoot Catalyst 9800 Mesh Wifi Issues
- Understand Traffic Flow in Foreign-Anchor Setup between 9800 WLC
- Configure and Troubleshoot Catalyst 9800 Unified Licensing and Smart Licensing with SLUP
- Understand 802.11r/11k/11v Fast Roams on 9800 WLCs
- Troubleshoot Catalyst 9800 Wireless LAN Controllers
- Troubleshoot Multicast on C9800 Wireless LAN Controller
- Understand Vocera Broadcast on WLC 9800
- Cisco Support Assistant Extension User Guide
- Demonstrate Client Profiling on 9800 Wireless LAN Controller
- Troubleshoot Catalyst 9800 AP Join or Disconnection Issues Flow
- Collect Logs and Debugs from Catalyst 9800 WLC
Troubleshooting TechNotes
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Literature
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Latest IOS-XE release for wireless contains software defect which may prevent clients from connecting to the wireless network. Cisco recommends delaying the upgrade until the patch is released. Refer here for more information
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Below are the models within the Cisco Catalyst 9800 Series Wireless Controllers.
Unless specified, documentation for the Cisco Catalyst 9800 Series Wireless Controllers is applicable to all models.
- Cisco CW9800L Wireless Controller
- Cisco Catalyst 9800-40 Wireless Controller (EOL)
- Cisco Catalyst 9800-80 Wireless Controller (EOL)
- Cisco Catalyst 9800-L Wireless Controller
- Cisco Catalyst 9800-L-C Wireless Controller
- Cisco Catalyst 9800-L-F Wireless Controller
- Cisco Catalyst CW9800H1 Wireless Controller
- Cisco Catalyst CW9800H2 Wireless Controller
- Cisco Catalyst CW9800M Wireless Controller
