¨Enable broadcast service set identifier (SSID) per WLANWith broadcast SSID enabled, the WLAN/SSID information is sent in the beacons. This also helps clients that perform passive scanning (those that do not transmit probe request) as well as clients configured without an SSID to associate with the controller through this WLAN.
¨Disable Aironet extensions (if enabled) per WLANCisco−proprietary Aironet extensions detect the capabilities of Cisco Aironet client devices and support features that require specific interaction between the Cisco Access Point (AP) (hence the controller) and associated client devices. Non−Cisco clients do not always support the Aironet extensions. With Aironet Extensions disabled on a particular WLAN, interoperability with the non−Cisco devices can be improved. Therefore, a controller can interoperate with a non−Cisco client device that associates through this WLAN.
¨Disable client exclusions per WLAN.
¨Disable Management Frame Protection (MFP) signature generation (if enabled) per WLANRefer to Infrastructure Management Frame Protection (MFP) with WLC and LAP Configuration Example for more information on MFP.
¨Disable aggressive load balancing globally on the controller.
¨From the controller GUI, disable client exclusion policies under Security > wireless protection policies.
¨From the controller GUI, set AP authentication/MFP to off under Security > wireless protection policies.
¨Disable short preambleThe radio preamble, which is sometimes called a header, is a section of data at the head of a packet that contains information that wireless devices need when sending and receiving packets. You can set the radio preambles to long or short.
àShortA short preamble improves throughput performance and is enabled by default. Cisco Aironet Wireless LAN Client Adapters support short preambles. Early models of Cisco Aironet's Wireless LAN Adapter (PC4800 and PC4800A) require long preambles. However, some wireless devices, such as SpectraLink NetLink phones, require long preambles. In such cases, unchecking short preamble enables long preamble to achieve interoperability with Spectralink Netlink phones. Refer to Using the GUI to Enable Long Preambles for information on how to disable short preamble.
àLongA long preamble ensures compatibility between the access point and all early models of Cisco Aironet Wireless LAN Adapters (PC4800 and PC4800A). If these client devices do not associate to your access points, you should use short preambles.
Q.Can a Wireless LAN Controller (WLC) be managed by CiscoWorks, which is used to manage routers and switches?
A.No, CiscoWorks cannot manage a WLC. A Wireless Control System (WCS) is needed to manage the WLC.
Q.What is the maximum number of rogue access points (APs) per controller?
A.The maximum number of rogue APs is 100 per 2006 Wireless LAN Controller, and 500
for all other platforms.