maximum CW. The CW is reset to the minimum value after successful transmission. In addition, you can configure the TXOP duration for each AC.

On the controller, you configure the AC priorities in the WLAN EDCA parameters profile. There are two sets of EDCA profiles you can configure:

•AP parameters affect traffic from the AP to the client.

•STA parameters affect traffic from the client to the AP.

Using the WebUI to configure EDCA parameters

Use the following procedure to define an Enhanced Distributed Channel Access (EDCA) profile for APs or for clients (stations).

1.Navigate to the Configuration > AP Configuration page. Select either the AP Group tab or AP Specific tab.

• If you selected AP Group, click Edit for the AP group name for which you want to configure EDCA parameters.

• If you selected AP Specific, select the name of the AP for which you want to configure EDCA parameters.

2.Under Profiles, expand the Wireless LAN menu, then select Virtual AP. In the Virtual AP list, select the appropriate virtual AP.

3.Expand the SSID profile. Select the EDCA Parameters Station or EDCA Parameters AP profile.

4.Configure your desired EDCA Profile Parameters. Table 303 describes the parameters you can configure in this profile.

Table 303: EDCA Parameters Station and EDCA Parameters AP Profile Settings

Parameter

Description

Best Effort

Set the following parameters to define the best effort 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.

 

 

Background

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.

 

 

Video

Set the following parameters to define the background queue.

 

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

 

 

701 Voice and Video

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Dell 6.2 manual Using the WebUI to configure Edca parameters, a value of 4 computes to 2 4-1 = 15. Possible values are
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