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C9800-CL-K9
CATALYST 9800-CL WRLS CTLR FOR CLOUD
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C9800-CL-K9 is a Cisco wireless LAN controller engineered for managing large-scale wireless networks with enterprise-grade security and performance. While it does not directly transmit wireless signals or operate on specific frequency bands like access points, it is designed to integrate seamlessly with Cisco’s Wi-Fi 6 and Wi-Fi 6E access points operating in the 2.4GHz, 5GHz, and 6GHz bands, thereby ensuring high-speed data delivery and robust connectivity in modern network deployments.
C9800-CL-K9 features advanced connectivity with multiple Gigabit Ethernet ports, comprehensive management capabilities including cloud management and SNMP, and support for industry-standard security protocols such as WPA2, WPA3, and 802.1X. Deployed as a rack-mounted appliance in enterprise environments, it is ideally suited for large offices and data-centric networks where scalable performance, seamless integration with managed access points, and centralized control are critical to maintaining efficient and secure wireless operations.
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| C9800-CL-K9 |  AIR-CT8540-K9 |  AIR-CT8510-HA-K9 |  C1-AIR-CT7510-K9 |  AIR-CT7510-500-K9 | |
|---|---|---|---|---|---|
| Product Type | Wireless LAN Controller | Wireless Product | Wireless Access Point | Wireless Access Point | Wireless Access Point |
| Wireless Type | Controller | Access Point | Access Point | Access Point | Access Point |
| Wi-Fi Standard | N/A | Wi-Fi 6 | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 |
| Frequency Bands | N/A | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz |
| Data Rate | N/A | N/A | 1Gbps | 1Gbps | 500Mbps |
| Max Range | N/A | N/A | 120 meters | N/A | N/A |
| Coverage Area | N/A | N/A | N/A | N/A | N/A |
| Connector Type | Gigabit Ethernet | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Antenna Type | N/A | Omnidirectional | Internal Omnidirectional | Omnidirectional | Omnidirectional |
| Antenna Gain | N/A | N/A | 5dBi | 5dBi | 5dBi |
| MIMO Technology | N/A | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Beamforming | N/A | Yes | Yes | Yes | Yes |
| Mounting Options | Rack Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount |
| Power Supply | AC Adapter / PoE (depending on chassis) | PoE | PoE | PoE | PoE |
| Mesh Networking | N/A | No | Yes | No | No |
| Ethernet Port | Multiple Gigabit Ports | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Max Number of Devices Supported | N/A | N/A | 250 | N/A | N/A |
| Protocols Supported | 802.11a/b/g/n/ac/ax (via managed access points), Ethernet | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac |
| Management Features | Cloud Management, On-Premises, SNMP, CLI | Cloud Management | Cloud Management / On-Premises | Cloud Management / On-Premises / SNMP | Cloud Management / On-Premises |
| Security Features | WPA2, WPA3, 802.1X, VPN | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X |
| Compliance | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Processor | N/A | N/A | N/A | N/A | N/A |
| Memory | N/A | N/A | N/A | N/A | N/A |
| Outdoor Use | No | No | No | No | No |
| Product Name | Cisco Catalyst 9800-CL-K9 Wireless LAN Controller | AIR-CT8540-K9 Wireless Access Point | AIR-CT8510-HA-K9 Wireless Access Point | Cisco C1-AIR-CT7510-K9 | AIR-CT7510-500-K9 |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi‑Fi Standard |
Catalyst 9800-CL performs reliably in our virtualized environment. Cloud deployment was smooth and wireless performance remains consistent across distributed locations.
Excellent cloud-based wireless controller with strong scalability and centralized visibility.
We use 9800-CL in private cloud. Stability and performance have been outstanding.
Flexible deployment model with dependable enterprise-grade wireless control.
Strong security features and consistent uptime in virtual infrastructure.
Seamless integration with our data center environment and easy scaling.
Professional cloud WLAN controller delivering reliable high-performance management.
The Catalyst 9800-CL Wireless Controller for Cloud is Cisco’s cloud-native, software-based WLAN controller that delivers enterprise-grade Wi-Fi management on public and private clouds.
Catalyst 9800-CL-K9 runs on AWS, Microsoft Azure, and Google Cloud Platform using standard VM instances for flexible deployment.
Licensing is managed through Cisco Smart Licensing with subscription tiers (Essentials and Advantage), providing real-time compliance and flexible consumption.
Each Catalyst 9800-CL-K9 instance supports up to 6,000 access points and 64,000 clients, with linear scalability via multi-VM clustering.
Yes. It offers active-active and active-standby high-availability modes with stateful fault tolerance and seamless controller failover.
Built-in security includes WPA3 encryption, 802.1X authentication, Cisco Encrypted Traffic Analytics, and segmentation via Cisco SD-Access.
It natively integrates with Cisco DNA Center for centralized policy management, automation, network assurance, and advanced analytics.
Yes. Catalyst 9800-CL-K9 provides extensive RESTful APIs (OpenConfig and Cisco native) for seamless automation and DevOps integration.
You can deploy as a single-VM for small sites, multi-VM clusters for large campuses, or elastic scale-out across public/private cloud environments.
Each VM requires a minimum of 4 vCPUs, 16 GB RAM, and 150 GB storage on a cloud platform meeting Cisco’s cloud readiness standards.
Download the image from Cisco Marketplace, deploy on your chosen cloud provider, then complete the CLI-based setup wizard for initial configuration.
Cloud deployment delivers rapid provisioning, global availability, pay-as-you-go pricing, and eliminates on-premises hardware maintenance.
Cisco Smart Licensing offers real-time compliance monitoring, while Software Updates (SWU) deliver seamless, zero-touch upgrades.
Yes. Its lightweight, cloud-native architecture is ideal for distributed, remote, or branch environments with centralized management.
Cisco provides 90-day software support with 8×5 TAC; customers can also purchase Smart Net Total Care for 24×7 support and advanced hardware replacement.