Extreme Networks Summit WM3000 Series Reference Manual page 153

Access
AIFSN
Transmit Ops
ECW Min
ECW Max
Max Retries
3 Click the Edit button to display a screen used to modify the WMM parameters. For more
information, see "Editing WMM Settings" on page
4 Select the QoS Mappings button to revise the existing mappings of access category to 802.1p and
DSCP to access category settings.
Summit WM3000 Series Controller System Reference Guide
Displays the Access Category for the intended radio traffic. Access
Categories are the different WLAN-WMM options available.
The four Access Category types are:
• Background — Optimized for background traffic
Best-effort
• — Optimized for best effort traffic
Video
• — Optimized for video traffic
Voice
• — Optimized for voice traffic
Displays the current Arbitrary Inter-frame Space Number
priority traffic categories should have lower AIFSNs than lower-priority
traffic categories. This will causes lower-priority traffic to wait longer
before trying attempting access.
Displays the maximum duration a device can transmit after obtaining a
transmit opportunity. For higher-priority traffic categories, this value
should be set to a low number.
The ECW Min is combined with the ECW Max to make the Contention
screen. From this range, a random number is selected for the back off
mechanism. Lower values are used for higher priority traffic.
The ECW Max is combined with the ECW Min to make the Contention
screen. From this range, a random number is selected for the back off
mechanism. Lower values are used for higher priority traffic.
Displays the maximum number of retries for each WMM index.
(AIFSN). Higher-
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