Brocade Mobility RFS Controller System Reference Guide (Supporting software release 5.5.0.0 and later) - Manual (Page 302)

290 Brocade Mobility RFS Controller System Reference Guide
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802.11r is an attempt to undo the burden that security and QoS added to the handoff
process, and restore it back to an original four message exchange process. The central
application for the 802.11r standard is VOIP using mobile phones within wireless Internet
networks.
Refer to the Radio Rates field to define selected data rates for both the 2.4 and 5.0 GHz bands.
FIGURE 27 Advanced WLAN Rate Settings 2.4 GHz screen
FIGURE 28 Advanced WLAN Rate Settings 5 GHz screen