User's Manual

4 Configuring Radio Settings
72 Installation and User Guide: Airgo Access Point
Interdependencies
The following restrictions apply to combinations of settings on the Channel Configuration and
Performance and QoS tabs:
Item Condition
Fixed data rate
configurations
• If the configured channel is in the 5GHz band or the Channel Set
Band/List is 5GHz, System Determined, or Both, then at least one of
the fixed rates must be other than an 11b rate (1,2,5.5,or 11).
• If the configured channel is in the 2.4GHz band or the Channel Set
Band/List is 2.4GHz only, then only 11b/g rates are accepted.
Assigning an enhanced rate (72, 96, and 108 Mbps) requires that the
enhanced rates option be enabled.
Dot11 QoS settings To enable the Dot11 QoS settings on the Performance tab, you must
enable the standard Dot-11 extensions on the 802.11 Policy tab (see
“802.11 Policy” on page 74).
Wireless Quality of
Service
• When both Wi-Fi Multimedia (WMM) QoS and IEEE 802.11e QoS
are enabled, EDCA is enabled at the access point. Capability
negotiations can be performed by WMM capable stations and also by
802.11e stations with the access point, and WMM and 802.11e IEs are
advertised in beacons and probe responses.
• When WMM is enabled and 802.11e is disabled, EDCA is enabled at
the access point. Capability negotiation with the access point can be
performed only by WMM capable stations, as only WMM IEs are
advertised in beacons and probe responses.
• When WMM is disabled and 802.11e is enabled, EDCA is enabled at
the access point. Capability negotiation with the access point can be
performed only by 802.11e capable stations, as only 802.11e IEs are
advertised in beacons and probe responses.
• When both WMM and 802.11e are disabled, DCF mode is enabled at
the access point. Neither the WMM or 802.11e is advertised in
beacons and probe responses.