Disable Aironet IE
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Description— Aironet IE is a Cisco proprietary attribute used by Cisco devices for better connectivity. It contains information, such as the access point name, load, number of associated clients, and so on sent out by the access point (AP) in the beacon and probe responses of the Cisco Mobility Express controller. The Cisco Client Extensions (CCX) clients use this information to choose the best AP with which to associate.
The CCX software is licensed to manufacturers and vendors of third-party client devices. The CCX code resident on these clients enables them to communicate wirelessly with Cisco APs and to support Cisco features that other client devices do not. The features are related to increased security, enhanced performance, fast roaming, and power management.
Aironet IE is optional for CCX based clients, however it can cause compatibility issues with some types of wireless clients. The recommendation is to enable for WGB and Cisco voice, but for general production network, it can be beneficial to disable Aironet IE after testing.
CCX Aironet IE feature should be disabled.
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Status:
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Selected—CCX Aironet IE disabled on all WLANs.
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Unselected—CCX Aironet IE enabled on all WLANs.
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CLI Option—Disable support for Aironet IEs for a particular WLAN by entering this command:
(Cisco Controller) >config wlan ccx aironetIeSupport disable wlan-id