Allied Telesis AT-WA7400/NA - Manual (Page 342)

Appendix D: Command Line Interface (CLI) for Access Point Configuration
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detailed field description for this value in that topic.)
Valid values for the cwmax are 1, 3, 7, 15, 31, 63, 127, 255, 511, or 1024.
The value for cwmax must be higher than the value for cwmin .
Set cwmin and cwmax on the Access Point
To set the Minimum and Maximum Contention Windows (cwmin, cwmax)
on access point-to-station traffic:
set tx-queue wlan0 with queue Queue_Name to cwmin cwmin_Value
cwmax cwmax_Value
Where Queue_Name is the queue on the access point to which you want the
setting to apply and cwmin_Value and cwmax_Value are the values (in
milliseconds) you want to specify for contention back-off windows.
For example, this command sets the access point Video queue (data1)
cwmin value to 15 and cwmax value to 31.
AT-WA7400# set tx-queue wlan0 with queue data1 cwmin 15 cwmax 31
View the results of this configuration update (bold in the command output
highlights the modified values):
AT-WA7400# get tx-queue
name queue aifs cwmin cwmax burst
---------------------------------------
wlan0 data0 13 3 7 1.5
wlan0 data1 1 15 31 3.0
wlan0 data2 3 15 63 0
wlan0 data3 7 15 1023 0
Set cwmin and cwmax on the Station
To set the Minimum and Maximum Contention Windows (cwmin, cwmax)
on station-to-access point traffic:
set wme-queue wlan0 with queue Queue_Name to cwmin cwmin_Value
cwmax cwmax_Value
Where Queue_Name is the queue on the station to which you want the
setting to apply and cwmin_Value and cwmax_Value are the values (in
milliseconds) you want to specify for contention back-off windows.
For example, this command sets the client station Video queue (vi)
cwmin
value to 15 and cwmax value to 31.