H3C Technologies H3C WA3600 Series Access Points - Manual (Page 408)

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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 radio EDCA list, click the icon for the desired priority type (AC_BK, for example) to
enter the page for setting radio EDCA parameters.
Figure 420 Setting radio EDCA parameters
4. Configure the radio EDCA parameters as described in Table 128 .
5. Click Apply.
Table 128 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 the AP.
TXOP Limit Transmission opportunity limit used by the AP.
ECWmin Exponent form of CWmin used by the AP.
ECWmax Exponent form of CWmax used by the AP.
No ACK
If you select the option before No ACK, the No ACK policy is used by the AP.
By default, the normal ACK policy is used by the AP.
Table 129 Default radio EDCA parameters
Access category TXOP Limit AIFSN ECWmin ECWmax
AC-BK 0 7 4 10
AC-BE 0 3 4 6
AC-VI 94 1 3 4
AC-VO 47 1 2 3
NOTE:
•
ECWmin cannot be greater than ECWmax.
• On an AP operating in 802.11b radio mode, set the TXOP-Limit to 0, 0, 188, and 102 for AC-BK, AC-BE,
AC-VI, and AC-VO.