H3C Technologies H3C WA3600 Series Access Points - Manual (Page 409)

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Setting EDCA parameters for wireless clients
1. Select QoS > Wireless QoS from the navigation tree.
By default, the QoS Service tab is displayed.
2. Click the icon for the desired radio to enter the page for configuring wireless QoS.
3. On the client EDCA list, click the icon for the desired priority type (AC_BK, for example) to
enter the page for setting client EDCA parameters.
Figure 421 Setting client EDCA parameters
4. Configure the client EDCA parameters as described in Table 130 .
5. Click Apply.
Table 130 Configuration items
Item Description
Radio Displays the selected AP's radio.
Priority type Displays the priority type.
AIFSN Arbitration inter-frame spacing number used by clients.
TXOP Limit Transmission opportunity limit used by clients.
ECWmin Exponent form of CWmin used by clients.
ECWmax Exponent form of CWmax used by clients.
CAC
Enable CAC.
• Enable—Enables CAC.
• Disable—Disables CAC.
AC-VO and AC-VI support CAC, which is disabled by default. This item is not
available for AC-BE or AC-BK, because they do not support CAC.
Table 131 Default EDCA parameters for clients
Access category TXOP Limit AIFSN ECWmin ECWmax
AC-BK 0 7 4 10
AC-BE 0 3 4 10
AC-VI 94 2 3 4
AC-VO 47 2 2 3