Netgear WMS5316 User Manual Page 21

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Wireless Configuration
21
ProSafe 16 AP Wireless Management System WMS5316
Configuring QoS
You can use QoS to enable WMM for both upstream traffic from the station to the access
point and downstream traffic from the access point to the client station.You can use basic
QoS settings for access points or advanced QoS settings for access point groups. These
settings are applied only to NETGEAR ProSafe access points that support QoS.
WMM defines the following four queues in decreasing order of priority:
Voice: The highest-priority queue with minimum delay, which makes it ideal for
applications like VOIP and streaming media.
Video: The second-highest priority with low delay is given to this queue. Video
applications are routed to this queue.
Best Effort: The medium priority with medium delay is given to this queue. Most standard
IP applications use this queue.
Background: Low-priority queue with high throughput. Applications, such as FTP, that
are not time-sensitive but require high throughput can use this queue.
With WMM enabled, QoS prioritizes and coordinates wireless access. QoS settings on the
access point control downstream traffic to client stations (AP EDCA parameters) and the
upstream traffic from the station to the access point (station EDCA parameters).
Disabling WMM deactivates QoS control of station EDCA parameters on upstream traffic
flowing from the station to the access point. With WMM disabled, you can still set some
parameters on the downstream traffic from the access point to the client stations (AP EDCA
parameters).
RIFS Transmission (11n
only)
Enable the Reduced Interframe Space (RIFS) option to allow transmission of
successive frames at different transmit powers. Enabling RIFS can lead to better
network performance.
Enable Wi-Fi MultiMedia
(WMM)
Select this check box to ensure that applications that require better throughput and
performance are provided special queues with higher priority. For more information
about WMM, see
QoS for Managed Access Points on page 22.
DTIM Interval (1–255) Enter the DTIM or the data beacon rate that you want to use. This sets the message
period of the beacon delivery traffic indication in multiples of beacon intervals.
Preamble Type (11b//jointfilesconvert/27556/bg
only)
A long transmit preamble can provide a more reliable connection or a slightly longer
range. A short transmit preamble gives better performance. The Auto setting
automatically handles both long and short preambles. The default is Auto.
Access Point Channel Each managed access point’s channel and frequency can be individually selected.
The access point mode is set either to the one enabled for the group, or if the
selected mode is not available on the access point, to the mode providing highest
performance.
Table 1. Advanced Wireless Settings (continued)
Feature Setting
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