Enabling WMM, Configuring WMM AC Mapping

Table 300: WMM Access Category to 802.1p Priority Mapping

Priority

802.1p Priority

WMM Access Category

Lowest

Background

Best effort

Video

Voice

Highest

In non-WMM, or hybrid environments where some clients are not WMM-capable, Dell uses voice and best effort to prioritize traffic from these clients.

Unscheduled Automatic Power Save Delivery (U-APSD) is a component of the IEEE 802.11e standard that extends the battery life on voice over WLAN devices. When enabled, clients trigger the delivery of buffered data from the AP by sending a data frame.

For the environments in which the wireless clients support WMM, you can enable both WMM and U-APSD in the SSID profile.

Enabling WMM

You can use the WebUI or CLI to enable WMM for wireless clients.

In the WebUI

1.Navigate to the Configuration > Wireless > AP Configuration page.

2.Select either the AP Group or AP Specific tab. Click Edit for the AP group or AP name.

3.In the Profiles list, select Wireless LAN. Select Virtual AP, then select the applicable virtual AP profile. Select the SSID profile.

4.In the Profile Details, select the Advanced tab.

5.Select the Wireless Multimedia (WMM) option. Or, select the Wireless Multimedia U-APSD (WMM-UAPSD) Powersave option if you want to enable WMM in power save mode.

6.Click Apply.

In the CLI

wlan ssid-profile <profile> wmm

wlan ssid-profile <profile> wmm-uapsd

Configuring WMM AC Mapping

The IEEE 802.11e standard defines the mapping between WMM ACs and Differentiated Services Codepoint (DSCP) tags. The WMM AC mapping commands allow you to customize the mapping between WMM ACs and DSCP tags to prioritize various traffic types. You apply and configure WMM AC mappings to a WMM-enabled SSID profile.

697 Voice and Video

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

6.2 specifications

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Dell 6.2 Enabling WMM, Configuring WMM AC Mapping, Priority 802.1p Priority WMM Access Category

Models: 6.2