Brocade Mobility 7131N-FGR Access Point Installation Guide (Supporting software release 4.0.0.0-035GRN and later) - Manual (Page 45)

Configuring basic device settings
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Brocade Mobility 7131N-FGR Access Point Installation Guide 37
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3. Select the WPA2/CCMP (802.11i) option.
4. Configure the Key Rotation Settings as required to set Broadcast Key Rotation
and the update interval.
Broadcast Key Rotation Select the Broadcast Key Rotation checkbox to enable or disable
broadcast key rotation. When enabled, the key indices used for
encrypting/decrypting broadcast traffic will be alternatively rotated
on every interval specified in the Broadcast Key Rotation Interval.
Enabling broadcast key rotation enhances the broadcast traffic
security on the WLAN. This value is disabled by default.
Update broadcast keys
every (300-604800
seconds) Specify a time period in seconds to rotate the key index used for
the broadcast key. Set the interval to a shorter duration like 3600
seconds for tighter broadcast traffic security on the wireless LAN.
Set the interval to a longer duration like 86400 seconds for less
broadcast traffic security requirements. Default value is 86400
seconds.
AP7131N_InstallationGuide.book Page 37 Tuesday, August 24, 2010 5:09 AM