Cisco Catalyst 9800 CL Wireless Controller

Deploy in private or public (AWS) cloud
Up to 6000 APs and 64 000 clients
Hot patching  time saving and hitless upgrades
Advanced  on-demand telemetry

High availability and seamless software updates  enabled by hot and cold patching  keep your clients and services always on in planned and unplanned events.

Secure air  devices  and users with the Cisco Catalyst 9800-CL. Wireless infrastructure becomes the strongest first line of defense with Cisco Encrypted Traffic Analytics (ETA) and Software-Defined Access (SD-Access). 
The controller comes with built-in security: runtime defenses  image signing and integrity verification.
 
Deploy anywhere to enable wireless connectivity everywhere. Whether in a public or private cloud  the Cisco Catalyst 9800-CL best meets your organization’s needs.

Built on a modular operating system  the 9800-CL features open and programmable APIs that enable automation of day-0 to day-N network operations. Model-driven streaming telemetry provides deep insights into the health of your network and clients.

Maximum number of access points : Up to 6000
Maximum number of clients : 64 000
Maximum throughput : Up to 2.2 Gbps*
Maximum WLANs : 4096
Maximum VLANs : 4096
Deployment modes : Centralized  Cisco FlexConnect and Fabric Wireless (SD-Access)
License : Smart License enabled
Operating system : Cisco IOS XE Software
Management : Cisco DNA Center  Cisco Prime Infrastructure  integrated WebUI  and third party (open standards APIs)
Interoperability : AireOS-based controllers
Policy engine : Cisco Identity Services Engine
Location platform : Cisco Connected Mobile Experiences (CMX) / DNA Spaces
Access points : Aironet 802.11ac Wave 1 and Wave 2  Catalyst 9100 802.11ax access points