H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 557)

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2. Click the icon in the Operation column for the desired AP to enter the page for configuring
wireless QoS.
3. On the radio EDCA list, click the icon in the Operation column for the desired priority type
(AC_BK, for example) to enter the page for setting radio EDCA parameters.
Figure 569 Setting radio EDCA parameters
4. Configure the radio EDCA parameters, as described in Table 182 .
5. Click Apply.
Table 182 Configuration items
Item Description
AP Name Displays the selected AP.
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 of CWmin used by the AP.
ECWmax Exponent 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 183 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, H3C recommends that you set the TXOP-Limit to 0, 0, 188,
and 102 for AC-BK, AC-BE, AC-VI, and AC-VO.