Cisco Catalyst C9800-L-F-K9 9800-L Fiber Uplink Wireless LAN Controller

Enterprise Wireless LAN Controller

The Cisco Catalyst C9800-L-F-K9 is a physical wireless LAN controller from the Cisco Catalyst 9800 Series. It is designed to centrally manage Cisco enterprise wireless access points while providing wireless security, policy enforcement, monitoring, automation and network visibility.

The C9800-L-F-K9 uses a compact fixed-appliance architecture and provides fiber uplink connectivity for integration with enterprise network infrastructure. It is suitable for organizations that require a dedicated wireless controller without the larger chassis requirements of high-capacity modular controller platforms.

Powered by Cisco IOS XE, the controller provides an enterprise software platform with programmability, telemetry, automation, centralized management and advanced wireless services.

Key Features

• Cisco Catalyst 9800 Series wireless controller architecture
• Fiber uplink model
• Cisco IOS XE operating system
• Centralized wireless management
• Enterprise wireless security and policy control
• Cisco FlexConnect support
• Wireless client monitoring and visibility
• RF management and optimization
• Cisco Catalyst Center integration
• Integrated WebUI management
• CLI and programmable management interfaces
• Model-driven telemetry
• High-availability deployment support

Network Interfaces and Connectivity

The C9800-L-F-K9 is equipped with multiple Ethernet interfaces for connecting the controller to the enterprise network. The fiber variant provides dedicated high-speed fiber uplink connectivity while also providing multi-gigabit Ethernet interfaces for network connectivity and management.

The fiber uplink design makes the C9800-L-F-K9 suitable for environments where the wireless controller needs to connect to fiber-based network infrastructure or aggregation switches.

Wireless Capacity and Performance

The controller is designed to provide centralized management for enterprise wireless access points. The optional Performance License provides additional capacity for organizations requiring higher access-point, client and throughput limits.

Centralized Wireless Management

The C9800-L-F-K9 provides centralized administration for Cisco wireless access points. Network administrators can configure wireless services, monitor connected clients, apply policies and manage wireless infrastructure from a central controller.

• Centralized access-point configuration
• Wireless client monitoring
• RF monitoring and management
• Wireless policy configuration
• Security policy enforcement
• Network visibility and telemetry
• Centralized software and configuration management
• Enterprise wireless troubleshooting

Cisco IOS XE Software

The Cisco Catalyst C9800-L-F-K9 runs on Cisco IOS XE, providing a modern software architecture for enterprise wireless networking. IOS XE supports automation, programmability, telemetry and integration with Cisco management platforms.

Administrators can use the integrated WebUI and command-line interfaces for controller configuration and operational management. Cisco IOS XE also supports programmable interfaces and model-driven telemetry for integration with modern network management and automation workflows.

• Cisco IOS XE Software
• Integrated WebUI
• Command-Line Interface
• NETCONF/YANG support
• RESTCONF support
• Model-driven telemetry
• Open-standard APIs
• Automated network management

Cisco FlexConnect

Cisco FlexConnect enables wireless access points deployed at branch offices and remote locations to operate with centralized controller management while supporting local switching capabilities.

This architecture is useful for organizations with distributed offices, retail locations, branch networks and other remote sites that require centralized wireless policy and management.

• Centralized controller management
• Distributed branch wireless deployment
• Local switching capabilities
• Centralized security and policy management
• Support for geographically distributed wireless networks

Enterprise Wireless Security

The C9800-L-F-K9 provides enterprise wireless security and centralized policy enforcement through the Cisco Catalyst 9800 architecture. It can integrate with Cisco identity and security technologies to help organizations implement consistent access policies across wireless networks.

• Enterprise wireless authentication
• Centralized access-control policies
• Cisco Identity Services Engine integration
• Wireless security policy enforcement
• Secure management interfaces
• Wireless threat protection capabilities
• Secure software architecture

High Availability and Resiliency

The Catalyst 9800-L platform supports high-availability architectures for organizations that require continuity of wireless services. Supported HA configurations can provide redundancy and service continuity during controller failures and planned maintenance operations.

• Stateful Switchover (SSO)
• Active-standby high-availability architecture
• N+1 redundancy options
• Controller resiliency
• Service continuity for supported configurations
• High-availability deployment options

Management and Automation

The C9800-L-F-K9 integrates with Cisco enterprise management and automation technologies. This allows administrators to monitor wireless infrastructure, automate network operations and obtain centralized visibility across connected access points and wireless clients.

• Cisco Catalyst Center integration
• Integrated WebUI
• CLI management
• NETCONF/YANG
• RESTCONF
• Model-driven streaming telemetry
• Open-standard APIs
• Centralized monitoring and management

Technical Specifications

Fiber Uplink Advantage

The C9800-L-F-K9 is specifically designed with fiber uplink connectivity, making it appropriate for enterprise environments where the wireless controller connects to fiber-based distribution or aggregation infrastructure.

The fiber configuration provides flexibility when deploying the controller within enterprise network architectures that use optical Ethernet uplinks for longer-distance or high-speed network connectivity.

Deployment Applications

• Enterprise corporate wireless networks
• Small and midsize business networks
• Educational institutions and universities
• Healthcare and hospital wireless infrastructure
• Government and public-sector networks
• Hospitality and commercial environments
• Retail and distributed branch networks
• Campus wireless deployments
• Multi-site enterprise wireless networks
• Organizations requiring fiber-based wireless controller uplinks

Optional Accessories and Licensing

Availability and licensing requirements may vary depending on the required deployment configuration, software subscription and Cisco licensing terms.

C9800-L-F-K9 vs C9800-L-C-K9

The primary distinction between these two C9800-L variants is the uplink configuration. The C9800-L-F-K9 is the appropriate variant when fiber uplink connectivity is required.

Why Choose the Cisco C9800-L-F-K9?

The Cisco Catalyst C9800-L-F-K9 combines a compact physical controller design with enterprise wireless management, Cisco IOS XE software, fiber uplink connectivity and scalable wireless capacity. It is designed for organizations that need centralized management of Cisco wireless access points without deploying a larger modular wireless controller.

With support for up to 250 access points and 5,000 wireless clients in its standard configuration, and up to 500 access points and 10,000 clients with the applicable Performance License, the C9800-L-F-K9 provides a scalable platform for enterprise wireless deployments.