• Cisco C9800-L-C-K9 WLAN controller with blue silver accents and multiple ports
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Cisco C9800-L-C-K9 | Catalyst 9800-L Wireless Controller, 250 APs, 4x 2.5G/1G + 2x 10G

C9800-L-C-K9

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Description

The Cisco C9800-L-C-K9 Catalyst 9800-L is a fixed 1RU wireless controller designed for small to midsize enterprise deployments. Built on Cisco IOS XE, it supports up to 250 access points and 5,000 clients with 5 Gbps throughput, offering seamless software updates and high availability with SSO. Copper uplinks include 4x multigigabit RJ45 ports and 2x 10G SFP+ ports for flexible campus and branch connectivity.

Features

Supports up to 250 access points and 5,000 clients (expandable to 500 APs/10,000 clients with performance license)
- Built on Cisco IOS XE for model-driven programmability with NETCONF, RESTCONF, and YANG APIs
- High availability with Stateful Switchover (SSO), In-Service Software Upgrade (ISSU), and hot patching
- Encrypted Traffic Analytics (ETA) for malware detection in encrypted traffic without decryption
- Cisco SD-Access integration for policy-based segmentation and zero-trust architecture
- WPA3 and 802.1X authentication for enhanced wireless security
- Secure Boot, image signing, and hardware Trust Anchor module for runtime defense
- Flexible copper uplinks: 4x 2.5G/1G multigigabit RJ45 and 2x 10G SFP+ ports
- Supports Wi-Fi 6 (802.11ax) and legacy 802.11a/b/ac standards for mixed AP deployments
- Centralized management via Cisco Catalyst Center with day-0 to day-N automation
- Model-driven streaming telemetry for real-time network monitoring and analytics
- Seamless software updates with zero downtime and intelligent rolling AP upgrades
- Automated device provisioning with Plug and Play (PnP) for rapid deployment
- RBAC (Role-Based Access Control) and ACL support for granular security policies
- Compact 1RU form factor suitable for small to midsize enterprise branches and campuses

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

Maximum Access Points: 250 (base), 500 with performance license
- Maximum Clients: 5,000 (base), 10,000 with performance license
- Throughput: 5 Gbps (base), 9 Gbps with performance license
- Network Interfaces: 4x 2.5G/1G multigigabit RJ45 ports, 2x 10G SFP+ copper uplinks
- Management Ports: 1x RJ-45 console, 1x Micro USB console, 1x USB 3.0, 1x RJ-45 management, 1x RJ-45 redundancy port
- Maximum WLANs: 4,096
- Maximum VLANs: 4,096
- Operating System: Cisco IOS XE
- Power Supply: 110W AC adapter (C9800-AC-110W), 100-240V AC, 50/60Hz
- Maximum Power Consumption: 86.9W with 4.5W USB load
- Dimensions (H x W x D): 1.58 x 8.5 x 9.06 in (4.02 x 21.59 x 23.01 cm)
- Form Factor: Fixed, 1RU rack-mountable
- Wireless Standards: 802.11a/b/d/e/h/ac Wave 1/2, 802.11ax (Wi-Fi 6)
- Security Protocols: WPA2, WPA3, AES, DES, EAP, 802.1X, HTTPS, IPsec, SSL/TLS

FAQs

Q: How many access points can the C9800-L-C-K9 support?
A: The base configuration supports up to 250 access points and 5,000 clients with 5 Gbps throughput. With the optional performance license (LIC-C9800L-PERF), capacity increases to 500 access points, 10,000 clients, and 9 Gbps throughput.

Q: What is the difference between C9800-L-C-K9 and C9800-L-F-K9?
A: The C9800-L-C-K9 features copper uplinks with 4x multigigabit RJ45 ports (1G/2.5G) and 2x 10G SFP+ ports, while the C9800-L-F-K9 has fiber uplinks with 4x 1G/2.5G RJ45 ports and 2x 10G SFP+ fiber ports. Both models support the same AP and client capacity.

Q: Does the C9800-L-C-K9 require a Cisco DNA license?
A: Yes, Cisco DNA subscriptions (Essentials, Advantage, or Premier) are required for access points to join the controller. The controller itself boots without licenses, but AP connectivity and advanced features require active DNA subscriptions assigned to the managed access points.

Q: What high availability features does the C9800-L-C-K9 support?
A: The controller supports Stateful Switchover (SSO) for active-standby redundancy, In-Service Software Upgrade (ISSU) for zero-downtime updates, hot and cold patching for continuous uptime, and intelligent rolling AP upgrades to maintain client sessions during planned and unplanned events.

Q: Which access points are compatible with the C9800-L-C-K9?
A: The controller supports Cisco Catalyst 9100 Series Wi-Fi 6 access points and Aironet 802.11ac Wave 1 and Wave 2 access points. It runs Cisco IOS XE and integrates with Cisco Catalyst Center for centralized management and automation.

Datasheet

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