Performing Advanced Configuration
SYSTIMAX® AirSPEED™ AP542
User Guide
84
2. Click
Edit
and configure the following parameters in each table:
Figure 4-31 Edit AP EDCA Tables
•
Index
: read-only. Indicates the index of the Access Category (1-4) being defined.
•
CWMin
: minimum Contention Window. Configurable range is 0 to 255.
•
CWMax
: maximum Contention Window. Configurable range is 0 to 65535.
•
AIFSN
: Arbitration IFS per access category. Configurable range is 2 to 15.
•
Tx OP Limit
: The Transmission Opportunity Limit. The Tx OP is an interval of time during which a particular QoS
enhanced client has the right to initiate a frame exchange sequence onto the wireless medium. The Tx OP Limit
defines the upper limit placed on the value of Tx OP a wireless entity can obtain for a particular access category.
Configurable range is 0 to 65535.
•
Admission Control Mandatory
: Possible values are True or False. Admission control defines if an Access Point
accepts or rejects a requested traffic stream with certain QoS specifications, based on available channel capacity
and link conditions. Admission control can be configured for each Access Category (Index).
On the Policy sub-tab, the user can also configure a
medium maximum threshold
for all Admission Controls.
Admission will be granted if the new requested traffic stream and already admitted time is less than the
medium
maximum threshold
.
NOTE
Changes to EDCA parameters require a reboot of the AP to take effect.