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   Home > Cisco > Wireless Networking > Wireless LAN Controller
Cisco® wireless LAN controllers are ideal for enterprise wireless LAN deployments and provide system-wide wireless LAN functions, such as security policies, intrusion prevention, RF management, quality of service (QoS), and mobility. They work in conjunction with Cisco 1000 Series lightweight access points and Cisco Wireless Control System (WCS) Software to support business-critical wireless applications. From voice and data services to location tracking, WLAN controllers provide the control, scalability, and reliability that IT managers need to build secure, enterprise-scale wireless networks—from branch offices to main campuses.

Cisco wireless LAN controllers smoothly integrate into existing enterprise networks. They communicate with Cisco 1000 Series lightweight access points over any Layer 2 (Ethernet) or Layer 3 (IP) infrastructure using the Lightweight Access Point Protocol (LWAPP) (Figure 2). This emerging IETF standard helps ensure that communication between access points and wireless LAN controllers remains secure, and it enables important wireless LAN configuration and management functions to be completely automated for cost-effective wireless LAN operations.
Wireless LAN Controller |
 Cisco Wireless LAN Controller Wireless LAN Controller
AIR-WLC2006-K9 2000 Series WLAN Controller For Up To 6 Lightweight APs (New Cisco)
AIR-WLC4112-K9 4100 Series WLAN Controller For Up To 12 1000 Series APs (New Cisco)
AIR-WLC4124-K9 4100 Series WLAN Controller For Up To 24 1000 Series APs  (New Cisco)
AIR-WLC4136-K9 4100 Series WLAN Controller For Up To 36 1000 Series APs  (New Cisco)
AIR-WLC4402-12-K9 4400 Series WLAN Controller For Up To 12 Lightweight APs (New Cisco)
AIR-WLC4402-25-K9 4400 Series WLAN Controller For Up To 25 Lightweight APs (New Cisco)
AIR-WLC4402-50-K9 4400 Series WLAN Controller For Up To 50 Lightweight APs (New Cisco)
AIR-WLC4404-100-K9 4400 Series WLAN Controller For Up To 100 Lightweight APs (New Cisco)

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