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Cisco AP541N Dual-band Single-radio Access Point Administration ...

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4WirelessConfiguring Quality of Service (QoS)NOTEAfter you configure the <strong>band</strong>width utilization settings, you must click Apply to applythe changes and to save the settings. Changing some settings might cause theaccess point to stop and restart system processes. If this happens, wireless clientswill temporarily lose connectivity. We recommend that you change access pointsettings when WLAN traffic is low.Configuring Quality of Service (QoS)Quality of Service (QoS) provides you with the ability to specify parameters onmultiple queues for increased throughput and better performance of differentiatedwireless traffic like Voice-over-IP (VoIP), other types of audio, video, andstreaming media, as well as traditional IP data over the access point.Configuring QoS on the access point consists of setting parameters on existingqueues for different types of wireless traffic, and effectively specifying minimumand maximum wait times (through Contention Windows) for transmission. Thesettings described here apply to data transmission behavior on the access pointonly, not to that of the client stations.AP Enhanced Distributed Channel <strong>Access</strong> (EDCA) Parameters affecttraffic flowing from the access point to the client station.Station Enhanced Distributed Channel <strong>Access</strong> (EDCA) Parametersaffect traffic flowing from the client station to the access point.The default values for the access point and station EDCA parameters are thosesuggested by the Wi-Fi Alliance in the WMM specification. In normal use thesevalues should not need to be changed. Changing these values will affect the QoSprovided.To set up queues for QoS, click the QoS tab under the Services heading andconfigure settings as described in Table 24.97 <strong>Cisco</strong> AP 541N <strong>Dual</strong>-<strong>band</strong> <strong>Single</strong>-<strong>radio</strong> <strong>Access</strong> <strong>Point</strong> Quick Start Guide

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