Parameter

Description

 

• ecw-max: The exponential (n) value of the maximum contention window size, as expressed by

 

2n-1. A value of 4 computes to 24-1 = 15. Possible values are 1-15.

 

• ecw-min: The exponential (n) value of the minimum contention window size, as expressed by

 

2n-1. A value of 4 computes to 24-1 = 15. Possible values are 0-15.

 

• txop: Transmission opportunity, in units of 32 microseconds. Divide the desired transmission

 

duration by 32 to determine the value to configure. For example, for a transmission duration of

 

3008 microseconds, enter 94 (3008/32). Possible values are 0-2047.

 

• acm: This parameter specifies mandatory admission control. With a value of 1, the client

 

reserves the access category through traffic specification (TSPEC) signaling. A value of 0

 

disables this option.

 

 

Voice

Set the following parameters to define the background queue.

 

• aifsn: Arbitrary inter-frame space number. Possible values are 1-15.

 

• ecw-max: The exponential (n) value of the maximum contention window size, as expressed by

 

2n-1. A value of 4 computes to 24-1 = 15. Possible values are 1-15.

 

• ecw-min: The exponential (n) value of the minimum contention window size, as expressed by

 

2n-1. A value of 4 computes to 24-1 = 15. Possible values are 0-15.

 

• txop: Transmission opportunity, in units of 32 microseconds. Divide the desired transmission

 

duration by 32 to determine the value to configure. For example, for a transmission duration of

 

3008 microseconds, enter 94 (3008/32). Possible values are 0-2047.

 

• acm: This parameter specifies mandatory admission control. With a value of 1, the client

 

reserves the access category through traffic specification (TSPEC) signaling. A value of 0

 

disables this option.

 

 

5. Click Apply.

Using the CLI to configure EDCA parameters

wlan edca-parameters-profile {apstation} <profile> {background best-effort video voice}

[acm][aifsn <number>] [ecw-max <exponent> [ecw-min <exponent>] [txop <number>]

To associate the EDCA profile instance to a SSID profile:

wlan ssid-profile <profile> edca-parameters-profile {apsta} <profile>

Enabling WMM Queue Content Enforcement

WMM queue content enforcement is a firewall setting that you can enable to ensure that the voice priority is used for voice traffic. When this feature is enabled, if traffic to or from the user is inconsistent with the associated QoS policy for voice, the traffic is reclassified to best effort and data path counters incremented. If TSPEC admission were used to reserve bandwidth, then TSPEC signaling is used to inform the client that the reservation is terminated.

You can use the WebUI or CLI to enable WMM queue content enforcement.

In the WebUI

1.Navigate to the Configuration > Advanced Services > Stateful Firewall page.

2.Select Enforce WMM Voice Priority Matches Flow Content.

3.Click Apply.

In the CLI

firewall wmm-voip-content-enforcement

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

Voice and Video 702

Page 701 Page 703
Page 702
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Dell 6.2 manual Enabling WMM Queue Content Enforcement, Using the CLI to configure Edca parameters
Page 701 Page 703

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