D-Link Marine Radio D-Link Unified Access Point Administrators User Manual

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Unied Access Point Administrator’s Guide
Unied Access Point Administrator’s Guide
Page 27
March 2012
Section 3 - Viewing Access Point Status
A TSPEC is a trafc specication that is sent from a QoS-capable wireless client to an AP requesting a certain
amount of network access for the trafc stream (TS) it represents. A trafc stream is a collection of data packets
identied by the wireless client as belonging to a particular user priority. An example of a voice trafc stream is a Wi-Fi
CERTIFIED™ telephone handset that marks its codec-generated data packets as voice priority trafc. An example of
a video trafc stream is a video player application on a wireless laptop that prioritizes a video conference feed from a
corporate server.
To view TSPEC client association statistics, click the TSPEC Client Associations tab.
Figure 9 - Viewing TSPEC Client Associations
The following table describes the information provided on the TSPEC Client Association Status and Statistics
page.
Field Description
Status
Network Radio interface used by the client.
Station Client station MAC address.
TS Identier TSPEC Trafc Session Identier (range 0-7).
Access Category TS Access Category (voice or video).
Direction The trafc direction for this TS. Direction can be:
•) uplink
•) downlink
•) bidirectional
User Priority The User Priority (UP) for this TS. The UP is sent with each packet in the UP portion of the
IP header. Typical values are:
•) 6 or 7 for voice
•) 4 or 5 for video
The value may differ depending on other priority trafc sessions.
Medium Time The time (in 32 microsecond per second units) that the TS trafc occupies the transmission
medium.
Excess Usage
Events
The number of times the client has exceeded the medium time established for its TSPEC.
Minor, infrequent violations are ignored.
VAP The Virtual Access Point associated with this TS client.
MAC Address The Virtual Access Point MAC address.
SSID The service set identier associated with this TS client.
Statistics
Network Radio interface used by the client.
Station Client station MAC address.
TS Identier TSPEC Trafc Session Identier (range 0-7).
Access Category TS Access Category (voice or video).
Direction The trafc direction for this TS. Direction can be:
•) uplink
•) downlink
•) bidirectional

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