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Upgrade Your Wireless Network with 802.11ac Wave 2

The Cisco 5520 Series Wireless LAN Controller is a highly scalable, service-rich, resilient, and flexible platform that is ideal for medium-sized to large enterprise and campus deployments. As part of the Cisco Unified Access Solution, the 5520 is optimized for the next generation of wireless networks, 802.11ac Wave 2.

Features and Capabilities


As a component of the Cisco Unified Access Solution, the 5520 Series Wireless LAN Controller provides real-time communications between Cisco Aironet access points, Cisco Prime Infrastructure, and Cisco Mobility Services Engine. It is also interoperable with other Cisco controllers.
The 5520 Series comes with integrated services:

  • Application Visibility and Control (AVC) provides granular classification and prioritization of thousands of business-critical apps with dynamic protocol updates
  • Location-aware Bonjour and Chromcast support services advertised across a Layer 3 network at a user and device level
  • Embedded Policy Classification Engine offers simplified BYOD with native device profiling and onboard services
  • Software-defined segmentation with Cisco TrustSec reduces access control list maintenance, complexity, and overhead

The 5520 Series offers exceptional scalability:

  • Support up to 1500 access points and 20,000 clients
  • Optimize 802.11ac Wave 2 next-generation networks with 20 Gb throughput
  • Consolidate multiple controllers into one with a single point of touch
  • Support centralized, distributed, and mesh deployments
  • Deploy Cisco FlexConnect in sites with up to 100 access points in up to 1500 groups

The 5520 Series offers high-availability features for uninterrupted application availability and no incremental system downtime:

  • Sub-second failover for access point and client failover for uninterrupted application availability
  • Dual-redundant Gigabit or 10 Gigabit Ethernet connectivity
  • Solid state device-based storage-no moving parts
  • Optional redundant, hot-swappable power supply for no incremental system downtime
  • Enhanced system uptime with fast system restarts

Cisco offers a wide array of controllers and access points that can support wireless functions in organizations of all sizes. The range includes branch offices to small and medium businesses, to large campus and service provider environments.

Product Support Services


Cisco Services can help you increase operational efficiency, lower support costs, and improve availability risk management.

Specifications at a Glance

Access points Up to 1500
Clients Up to 20,000
Deployment modes Centralized, Cisco FlexConnect, and Mesh
Form factor 1 rack unit (RU)
I/O interface Dual 1-Gb or 10-Gb ports with Link Aggregation Group
Power supply AC with an optional redundant power supply
Product warranty Three years

Read the data sheet for complete details

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