Qos - Cisco WAP 121 Administration Manual

QoS

Cisco Small Business WAP121 and WAP321 Wireless-N Access Point with PoE
REVIEW DRAFT Version 2—CISCO CONFIDENTIAL
The Quality of Service (QoS) settings provide you with the ability to configure
transmission queues for optimized throughput and better performance when
handling differentiated wireless traffic, such as voice-over-IP (VoIP), other types of
audio, video, streaming media, and traditional IP data.
To configure QoS on the AP, you set parameters on the transmission queues for
different types of wireless traffic and specifying minimum and maximum wait
times (through contention windows) for transmission.
AP Enhanced Distributed Channel Access (EDCA) parameters affect traffic flowing
from the AP to the client station.
Station EDCA parameters affect traffic flowing from the client station to the AP.
The default values for the AP and station EDCA. In normal use, these values should
not need to be changed. Changing these values will affect the QoS provided.
To configure AP and Station EDCA parameters:
Click >
Select an option from the
•
Alliance default values, which are best for general, mixed traffic.
•
values that are best for voice traffic.
• —Enables you to choose custom EDCA parameters.
The following four queues are defined for different types of data transmitted from
AP-to-station. If you choose a Custom template, the parameters that define the
queues are configurable; otherwise, they are set to predefined values appropriate
to your selection. The four queues are:
• Data 0 (Voice)—High priority queue, minimum delay. Time-sensitive data
such as VoIP and streaming media are automatically sent to this queue.
• Data 1 (Video)—High priority queue, minimum delay. Time-sensitive video
data is automatically sent to this queue.
• Data 2 (Best Effort)—Medium priority queue, medium throughput and delay.
Most traditional IP data is sent to this queue.
in the navigation window.
—Populates the AP and Station EDCA parameters with WiFi
—Populates the AP and Station EDCA parameters with
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