9.2.1 Viewing Test Results (Individual and Multiple Streams)
When the test is first started, the screen automatically changes to the Global/Aggregate results screen.
9.2.2 Global Results
The Aggregate screen displays:
Line Rate
(Mbps): Negotiated rate of the interface (10M, 100M, or 1000M). This value is always fixed since it depends on
the maximum capacity of the link under test, hence the test interface that is configured.
Framed Rate:
(P MAC/IP VLAN Tag + Type/ CRC) / (P Total Overhead) * Line Rate
% (in Mbps).
Data Rate:
Payload / (P Total Overhead) * Line Rate %.
Utilization:
% of Line Rate. For example, if we transmit 100Mbps on a 1Gbps interface then the utilization value is 10%
(or 100Mbps) of the total link capacity (or Line Rate).
Total # of frames.
Total number of bad frames.
Optical power:
Optical level measured by the SFP or XFP transceiver.
The Global 'Stream Summary' screen displays:
Stream number (#)
Total received bandwidth per stream
Errors/alarms associated with the stream
Quality of Service (QOS) associated with each stream
QoS
QoS values are based on packet statistic thresholds for roundtrip delay, jitter, frame loss, and IP checksum from the ITU-T
Y.1541 standard. Below is a list of IP network QoS class definitions and network performance objectives from Y.1541.
IP Network QoS Class Definitions and Network Performance Objectives
(Classes 0-3)
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