What are the features supported by the Aironet Extension option?
A. The Aironet extension is a proprietary feature implemented by Cisco. Aironet extensions contains information elements that support these features. • Load Balancing: The access point uses Aironet extensions to direct client devices to an access point that provides the best connection to the network based on factors such as the number of users, bit error rates, load and signal strength. Load balancing is proprietary between devices that understand the Aironet extensions. Load balancing is implemented by extensions in AP beacons and/or probe-responses, which provide information on these: • Base-station signal strength • Base station loading (% transmitter busy) • Number of hops to the backbone • Number of client associations The client evaluates these and associates to the “best” one. Non-Cisco clients do not understand these extensions. • MIC: Cisco Proprietary Message Integrity Check (MIC) — MIC is an additional WEP security feature that prevents attacks on encrypted packets called b
