Draytek Vigor 2130 Series, User Manual, Page: 248 / 353

Vigor2130 Series User’s Guide 238
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.
Txop 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.
ACM It is an abbreviation of Admission control Mandatory. It can
restrict stations from using specific category class if it is
checked.
Note: Vigor2130 provides standard WMM configuration in
the web page. If you want to modify the parameters, please
refer to the Wi-Fi WMM standard specification
AckPolicy “ 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.
Click OK to save the settings.
4
4
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9
9
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7
7
W
W
D
D
S
S
WDS means Wireless Distribution System. It is a protocol for connecting two access points
(AP) wirelessly. Usually, it can be used for the following application:
y
Provide bridge traffic between two LANs through the air.
y
Extend the coverage range of a WLAN.
To meet the above requirement, two WDS modes are implemented in Vigor router. One is
Bridge , the other is Repeater . Below shows the function of WDS-bridge interface: