Draytek Vigor2710 Series User Manual page 280

Available settings are explained as follows:
Item
WMM Capable
APSD Capable
Aifsn
CWMin/CWMax
Txop
ACM
AckPolicy
After finishing all the settings here, please click OK to save the configuration.
Vigor2710 Series User's Guide
Description
To apply WMM parameters for wireless data transmission,
please click the Enable radio button.
The default setting is Disable.
It controls how long the client waits for each data
transmission. Please specify the value ranging from 1 to 15.
Such parameter will influence the time delay for WMM
accessing categories. For the service of voice or video image,
please set small value for AC_VI and AC_VO categories For
the service of e-mail or web browsing, please set large value
for AC_BE and AC_BK categories.
CWMin means contention Window-Min and CWMax
means contention Window-Max. Please specify the value
ranging from 1 to 15. Be aware that CWMax value must be
greater than CWMin or equals to CWMin value. Both values
will influence the time delay for WMM accessing categories.
The difference between AC_VI and AC_VO categories must
be smaller; however, the difference between AC_BE and
AC_BK categories must be greater.
It means transmission opportunity. For WMM categories of
AC_VI and AC_VO that need higher priorities in data
transmission, please set greater value for them to get highest
transmission opportunity. Specify the value ranging from 0 to
65535.
It is an abbreviation of Admission control Mandatory. It can
restrict stations from using specific category class if it is
checked.
Note: Vigor router provides standard WMM configuration in
the web page. If you want to modify the parameters, please
refer to the Wi-Fi WMM standard specification.
"Uncheck" (default value) the box means the AP router will
answer the response request while transmitting WMM
packets through wireless connection. It can assure that the
peer must receive the WMM packets.
"Check" the box means the AP router will not answer any
response request for the transmitting packets. It will have
better performance with lower reliability.
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