Spirent Test Center – Basic
Traffic Generation
Between two Spirent test ports
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Content
Introduction
Components Used
Configuration Summary
Test Topology
Connect to the Spirent TestCenter chassis and setup
two ports
Use Traffic Wizard to generate bi-directional streams
Start traffic on all ports and check real-time
results
Stop traffic and check post-test results
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Introduction
The purpose of this document is to provide the user
step-by-step instructions to
Generate traffic between two Spirent ports, adjust the
Transmit load and frame size, and
Check real-time and post-test results
Components Used
- DUT
with two Ethernet interfaces connected to Spirent ports
- Spirent
TestCenter 9U chassis with two Ethernet interfaces
- Spirent
TestCenter application software
Configuration Summary
- Connect
to the Spirent TestCenter chassis and setup two ports
- Use
the Traffic Wizard to create bi-directional streams
- Send
traffic, adjust load and frame size, and check stats in real-time
- Stop
test and check post-test results
Test Topology
Connect to the Spirent TestCenter chassis and setup
two ports
Step#1: Click Actions, Connect
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Step#2: Click Active on the ports and hit Apply
NOTE: Apply button must be clicked after
every config change
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Step#3: If link does not come up, double check the
Media Type and Auto Negotiation settings
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Step#4: Right-click on any of the port LEDs and use
the Link or Unlink option to check if you are connected to the right port on
the DUT (useful feature if working remote from physical setup)
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Step#5: Go to the IP Config section, configure the
IP address of the ports, and click Apply
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Step#6: Go to DUT and ping the Spirent port
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Use the Traffic Wizard to create bi-directional
streams
Step#8: Select all ports on both sides and click on
Next
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Step#7: Go to Streams and click on Traffc Wizard
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Step#10: Note the Streams that are configured
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Step#11: View and modify the frame with the PDU
editor by right-clicking on any Stream and selecting Edit Frame
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Step#12: Modify the frame with the PDU editor
(optional)
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Start traffic on all ports and check real-time
statistics
Step#13: Click the Start Test and set the Tx Load
to 500 fps
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Step#14: Select
Port Rates and Port
Counters from the drop-down menu and note the Signature Frames sent and
received
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Step#15: Enable per-stream stats by clicking on
Result Collection and selecting All Streams. Click Ok
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Step#16: Click Apply
and select Streams from the drop-down menu
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Step#17: Set unique loads for each stream by going
to Transmit Ports, clicking in the Load section, and set the Mode to Per Stream.
Click OK.
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Step#18: Set unique frame size for each stream by
going to Transmit Ports, clicking in the Frame Size section, and set the
Mode to Per Stream. Click OK.
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Step#19: Set the Frame Size and Rate for each
stream and click Apply
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NOTE: the % Loss is based on the run-time
Tx/Rx rate and not the actual loss. The Lost Frames and % Loss will display
the correct results after stopping the test
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Step#20: Select Streams from the drop-down menu and
note the Tx Rate for each stream
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Stop traffic and check post-test results
Step#21: Click the Stop Test button and wait for
the hardware to send results to the GUI
NOTE: Always note the status of the GUI in the lower
left-hand corner. The amount of time for the test to stop will vary
depending on the size and complexity of the test
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Step#22: After the test stops, select Detailed
Stream Statistics from the drop-down menu and review the Lost Frames, %
Loss, and Latency numbers
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