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full WLAN intrusion monitoring with continuous full-time, 24 hours and 7 days a week monitoring of the RF environment. With Cisco SWAN
Integrated WLAN IDS, the access point performs WLAN intrusion monitoring of the RF environment while also functioning as an IEEE 802.11
infrastructure device allowing client associations to the network.
To take advantage of the innovative features of the 1100 Series, not only can Cisco client adapters be used, but now a wide variety of
Cisco Compatible devices are available from leading WLAN client suppliers. For example, fast secure roaming is supported by the Cisco Aironet
1100 Series in conjunction with Cisco or Cisco Compatible client devices. With fast secure roaming, authenticated client devices can roam securely
from one access point to another, within or across subnets, without perceptible delay during reassociation. Fast secure roaming supports latency-
sensitive applications such as wireless voice over IP (VoIP), enterprise resource planning (ERP), or Citrix-based solutions (Figure 3).
Figure 3. Fast Secure Roaming
WAN link remote site survivability allows the access point to act as a local RADIUS server to IEEE 802.1X authenticate wireless clients when the
authentication, authorization, and accounting (AAA) server is not available. This provides remote site survivability and backup authentication
services during a WAN link or server failure allowing users in remote site deployments with nonredundant WAN links access to local resources such
as file servers or printers (Figure 4).