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Index of Help Topics

QoS Configuration : AP Radio Quality of Service (QoS)

You can determine Quality of Service (QoS) settings on this page. You can also fine tune traffic category contention window settings.

Settings

Generate QBSS Element

Use this setting to determine whether a QoS basic service set (QBSS) element is generated. The QBSS element determines the best access point with which to associate.

Use Symbol Extensions

This setting configures the access point to use Symbol Voice over IP (VoIP) phones. When this setting is enabled, the access point uses the Symbol Phone Support protocol. This protocol identifies Symbol handsets and classifies traffic for them as interactive voice.

Send IGMP General Query

This setting configures the access point to perform IP multicast filtering on behalf of its clients. When Internet Group Membership Protocol (IGMP) snooping is enabled on a switch, and a client roams from one access point to another, the multicast session is dropped. Enabling this feature causes the access point to send a general IGMP query to the network infrastructure on behalf of the client every time it associates or reassociates to the access point. By doing so, the multicast stream is maintained for the client as it roams.

Traffic Category

Traffic category identifies a type of traffic in which data processed by the access point is categorized. Following are the traffic categories:

  • Background
  • Spare
  • Best effort (default setting)
  • Excellent effort
  • Controlled load
  • Interactive video
  • Interactive voice
  • Network control

CWmin and CWmax

Each traffic category is assigned a minimum contention window (CWmin) value and a maximum contention window (CWmax) value. Allowed values for CWmin and CWmax are 1, 3, 7, 15, 31, 63, 127, 255, 511, and 1023.

Note Cisco recommends that you do not alter these settings without significant testing. If you do alter the values, CWmin must be less than or equal to CWmax.

Action Buttons

Command

Description

Apply

After entering new values for settings, click Apply to activate the new settings. The browser remains on this page.

OK

This button both applies the new settings and moves the browser back to the main Setup page.

Cancel

This button cancels all changes to the settings, returns the settings to the previously stored values, and redirects the user back to the main Setup page.

Restore Defaults

Click to change all settings on this page back to the factory default settings.

 
 

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