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NETGEAR ProSafe 802.11g Wireless Access Point WG302v2 Reference Manual
4-6 Advanced Configuration
v1.0, May 2006
SpectraLink Voice Priority (SVP) is a QoS approach for Wi-Fi deployments. SVP is an open
specification that is compliant with the IEEE 802.11b standard. SVP minimizes delay and
prioritizes voice packets over data packets on the Wireless LAN, thus increasing the
probability of better network performance.
• Modify AP EDCA Parameters. Specify the AP EDCA parameters for different types of data
transmitted from the WG302v2 to the wireless client.
• Modify Station EDCA Parameters. Specify the Station EDCA parameters for different types
of data transmitted from the wireless client to the WG302v2. If WMM is disabled, you cannot
configure Station EDCA parameters.
Table 4-2 describes the settings for QoS Queues.
Table 4-2 QoS Queues and Parameters
QoS Queue Description
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.
Data 3 (Background) Lowest priority queue, high throughput. Bulk data that requires maximum
throughput and is not time-sensitive is sent to this queue (FTP data, for
example).
AIFS (Arbitration
Inter-Frame Space)
Specifies a wait time (in milliseconds) for data frames. Valid values for AIFS are
1 through 255.
cwMin (Minimum
Contention Window)
Upper limit (in milliseconds) of a range from which the initial random backoff wait
time is determined. Valid values for the “cwmin” are 1, 3, 7, 15, 31, 63, 127, 255,
511, or 1024. The value for cwMin must be lower than the value for cwMax.
cwMax (Maximum
Contention Window)
Upper limit (in milliseconds) for the doubling of the random backoff value. Valid
values for the “cwmax” are 1, 3, 7, 15, 31, 63, 127, 255, 511, or 1024. The value
for cwMax must be higher than the value for cwMin.
Max. Burst Length Specifies (in milliseconds) the Maximum Burst Length allowed for packet bursts
on the wireless network. A packet burst is a collection of multiple frames
transmitted without header information. Valid values for maximum burst length
are 0.0 through 999.9.