Specifications

4-54 WS5100 Series Switch System Reference Guide
3. Click the Edit button to display a screen used to modify the WMM parameters. For more information, see
Editing WMM Settings on page 4-56.
WMM enabled Displays WLAN-WMM status. It can be enabled (for a WLAN) from the WLAN
Configurations Edit screen by selecting the Enable WMM checkbox.
Access 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
• Voice — Optimized for voice traffic
AIFSN Displays 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 Displays the maximum duration a device can transmit after obtaining a transmit opportunity.
For Higher-priority traffic categories, this value should be set higher.
CW Min The CW Min is combined with the CW 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.
CW Max The CW Max is combined with the CW 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.