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WS 2000 Wireless Switch System Reference Guide9-52
Leo clicks the Ok button to save the 802.1x EAP settings.
Leo then clicks the WPA2-CCMP Settings button. WPA2 constantly changes keys, but requires an initial key, known to
both ends of the communication. If Leo was not using 802.1X EAP user authentication, that initial key would need to be
entered here, in the Key Settings section. However, with 802.1x EAP, the RADIUS server supplies the initial key, so that Key
Settings section is grayed out for Leo.
Leo does need to set the frequency with which the key for broadcast communication is changed. By default, the WS 2000
changes the broadcast every 84,600 seconds, i.e., every twenty-four hours. Breaking WEP encryption requires several hours
of solid traffic, so Leo decides to change the broadcast key rotation to 3600 seconds, or once an hour.