13 - 148 WiNG 5.5 Access Point System Reference Guide
13.4.4 WMM TSPEC
Wireless Client Statistics
The 802.11e Traffic Specification (TSPEC) provides a set of parameters that define the characteristics of the traffic stream,
(operating requirement and scheduling etc.). The sender TSPEC specifies parameters available for packet flows. Both sender
and the receiver use TSPEC.
The TSPEC screen provides information about TSPEC counts and TSPEC types utilized by the selected wireless client.
To view the TSPEC statistics:
1. Select the Statistics menu from the Web UI.
2. Select System from the navigation pane (on the left-hand side of the screen). Expand a RF Domain, an access point, then
a connected client.
3. Select WMM TPSEC.
Figure 13-98 Wireless Client - WMM TPSEC screen
The top portion of the screen displays the TSPEC stream type and whether the client has roamed.
The Ports Stats field displays the following:
R-Value R-value is a number or score used to quantitatively express the quality of speech in
communications systems. This is used in digital networks that carry Voice over IP (VoIP) traffic.
The R-value can range from 1 (worst) to 100 (best) and is based on the percentage of users
who are satisfied with the quality of a test voice signal after it has passed through a network
from a source (transmitter) to a destination (receiver). The R-value scoring method accurately
portrays the effects of packet loss and delays in digital networks carrying voice signals.
Refresh Select the Refresh button to update the screen’s statistics counters to their latest values
Sequence Number Lists a sequence number that’s unique to this WMM TPSEC uplink or downlink data stream.
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