AIR-CT5520-K9 Cisco 5520 Wireless Controller
Scalable Cisco 5520 Wireless Controller with Advanced Security and Centralized Management
Cisco 5520 Wireless Controller – High-Performance Wireless Management for Enterprise Networks
Cisco AIR-CT5520-K9 Wireless LAN Controller – High-Performance Enterprise Wi-Fi Management
The Cisco AIR-CT5520-K9 Wireless LAN Controller is a next-generation solution designed to deliver scalable, secure, and high-speed wireless connectivity for medium to large enterprises, service providers, and campus networks. Supporting up to 1,500 access points and 20,000 clients, this controller ensures reliable performance with 10 Gbps throughput for demanding environments.
Engineered for 802.11ac Wave 2 and backward-compatible with legacy Wi-Fi standards, the AIR-CT5520-K9 provides seamless roaming, advanced QoS, and real-time application visibility to optimize wireless performance. With integrated threat detection, rogue AP monitoring, and strong encryption, it delivers enterprise-grade security and policy enforcement.
Featuring redundant power supplies, hot-swappable components, and subsecond AP/client failover, the Cisco 5520 guarantees high availability and minimal downtime. Its management flexibility includes Cisco DNA Center, CLI, SNMP, and a web-based interface, enabling IT teams to automate, monitor, and troubleshoot efficiently.
Ideal for organizations seeking reliable wireless infrastructure, the Cisco AIR-CT5520-K9 is built for scalability, security, and simplified management, making it the perfect choice for modern digital workplaces.
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Product Specifications: Cisco AIR-CT5520-K9 Wireless LAN Controller
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| Category | Details |
|---|---|
| Form Factor | 1RU rack-mountable |
| Dimensions (H × W × D) | 1.72 × 17.3 × 21.5 in (4.4 × 43.9 × 54.6 cm) |
| Weight | Approx. 27.5 lbs (12.5 kg) |
| Total Access Point Support | Up to 1,500 APs |
| Total Client Support | Up to 20,000 clients |
| Performance & Capacity | Throughput: Up to 10 Gbps aggregate |
| Wireless Standards | Optimized for 802.11ac Wave 2, backward compatible with 802.11a/b/g/n |
| Redundancy | Subsecond AP and client stateful failover, N+1 high availability |
| Security Features | Integrated threat detection, rogue AP detection, policy enforcement, AES encryption, wIPS |
| Network Ports | 2 × 10-Gigabit Ethernet (SFP+), 4 × 1-Gigabit Ethernet (RJ-45) |
| QoS & Traffic Control | Advanced QoS, bandwidth management, and traffic shaping |
| Management Interfaces | Cisco DNA Center, CLI, SNMP v1/v2c/v3, Web UI |
| Virtualization Support | Supports Cisco Hyperlocation, AVC (Application Visibility and Control), CleanAir technology |
| Scalability | Supports distributed and centralized deployments |
| Power Supply | Dual redundant hot-swappable AC power supplies |
| Power Consumption | ~400W maximum (varies with configuration) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Storage Temperature | -40°F to 167°F (-40°C to 75°C) |
| Humidity | 10% to 90% non-condensing |
| Designed For | Medium to large enterprises, service providers, and campus deployments requiring secure, scalable wireless networking |
FAQs for Cisco AIR-CT5520-K9 Wireless LAN Controller
What is the primary function of the Cisco 5520 Wireless Controller?
It provides centralized wireless network management for large-scale enterprise deployments.
What wireless standards does it support?
It is optimized for 802.11ac Wave 2 performance.
How does the Cisco 5520 improve network scalability?
It supports up to 1,500 access points and 20,000 clients.
Is this controller suitable for high-density deployments?
Yes, it is designed for enterprise networks requiring high-speed wireless connectivity.
What management options are available?
It supports Cisco DNA Center, CLI, SNMP, and web-based management.
