Brocade Mobility RFS7000-GR Controller System Reference Guide (Supporting software release 4.1.0.0-040GR and later) - Manual (Page 154)

140 Brocade Mobility RFS7000-GR Controller System Reference Guide
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Viewing and configuring switch WLANs
4
3. Select a Access Category from the table and click the Edit button to launch a dialog with WMM
configuration for that radio.
4. Refer to the Edit WMM screen for the following information:
SSID Displays the Service Set ID (SSID) associated with the selected WMM index. This
SSID is read-only and cannot be modified within this screen.
Access Category Displays the Access Category for the intended radio traffic. The Access Categories
are the different WLAN-WMM options available to the radio.
The four Access Category types are:
•
Background - Optimized for background traffic
•
Best-effort - Optimized for best effort traffic
•
Video - Optimized for video traffic. Video traffic receives priority.
•
Voice - Optimized for voice traffic. Voice traffic receives priority.
AIFSN Define the current Arbitrary Inter-frame Space Number (AIFSN). Higher-priority
traffic categories should have lower AIFSNs than lower-priority traffic categories.
This will causes lower-priority traffic to wait longer before trying to access the
medium.
Transmit Ops Define 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.
CW Minimum The CW Minimum is combined with the CW Maximum to make the Contention
screen. From this range, a random number is selected for the back off mechanism.
Select a lower value for high priority traffic.
CW Maximum The CW Maximum is combined with the CW Minimum 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