Brocade Mobility 7131 Access Point Product Reference Guide (Supporting software release 4.4.0.0 and later) - Manual (Page 29)

Brocade Mobility 7131 Access Point Product Reference Guide 17
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Voice Prioritization
Each Mobility 7131 Access Pointaccess point WLAN has the capability of having its QoS policy
configured to prioritize the network traffic requirements for associated MUs. A WLAN QoS page is
available for each enabled WLAN on either the Mobility 7131 Access Point802.11a/n or
802.11b/g/n radio.
Use the QoS page to enable voice prioritization for devices to receive the transmission priority they
may not normally receive over other data traffic. Voice prioritization allows the access point Mobility
7131 Access Point to assign priority to voice traffic over data traffic, and (if necessary) assign
legacy voice supported devices (non WMM supported voice devices) additional priority.
For detailed information on configuring voice prioritization over other voice enabled devices, see
Setting the WLAN Quality of Service (QoS) Policy on page 5-147.
Support for CAM and PSP MUs
The access point Mobility 7131 Access Point supports both CAM and PSP powered MUs. CAM
(Continuously Aware Mode) MUs leave their radios on continuously to hear every beacon and
message transmitted. These systems operate without any adjustments by the access point Mobility
7131 Access Point.
A beacon is a uniframe system packet broadcast by the AP to keep the network synchronized. A
beacon includes the ESSID, Mobility 7131 Access Point MAC address, Broadcast destination
addresses, a time stamp, a DTIM (Delivery Traffic Indication Message) and the TIM (Traffic
Indication Map).
PSP (Power Save Polling) MUs power off their radios for short periods. When a MU in PSP mode
associates with an access pointMobility 7131 Access Point, it notifies the Mobility 7131 Access
Pointaccess point of its activity status. The access point Mobility 7131 Access Point responds by
buffering packets received for the MU. PSP mode is used to extend an MU’s battery life by enabling
the MU to “sleep” during periods of inactivity.
Statistical Displays
The access point Mobility 7131 Access Point can display robust transmit and receive statistics for
the WAN and LAN ports. WLAN stats can be displayed collectively and individually for enabled
WLANs. Transmit and receive statistics are available for the Mobility 7131 Access Pointaccess
point’s 802.11a/n and 802.11b/g/n radios. An advanced radio statistics page is also available to
display retry histograms for specific data packet retry information.
Associated MU stats can be displayed collectively and individually for specific MUs. An echo (ping)
test is also available to ping specific MUs to assess association strength. Finally, the access point
Mobility 7131 Access Point can detect and display the properties of other APs detected within its
radio coverage area. The type of AP detected can be displayed as well as the properties of
individual APs.
For detailed information on available Mobility 7131 Access Pointaccess point statistical displays
and the values they represent, see Monitoring Statistics on page 7-253.