Proxim AP-4000 User Manual page 124

Advanced Configuration
QoS
• 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.
• MSDU Lifetime: specifies the maximum elapsed time between a MSDU transfer request and delivery to the
destination, beyond which delivery becomes unnecessary. Configurable range is 0 to 500 seconds.
• 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
Admission will be granted if the new requested traffic stream and already admitted time is less than the medium
maximum threshold.
sub-tab, the user can also configure a medium maximum threshold for all Admission Controls.
AP-4000/4000M/4900M User Guide
124