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Diffstat (limited to 'docs/configguide')
| -rw-r--r-- | docs/configguide/trafficgen.rst | 99 |
1 files changed, 84 insertions, 15 deletions
diff --git a/docs/configguide/trafficgen.rst b/docs/configguide/trafficgen.rst index e1eaf9f3..9284cef3 100644 --- a/docs/configguide/trafficgen.rst +++ b/docs/configguide/trafficgen.rst @@ -10,8 +10,7 @@ Overview --------------------- VSPERF supports the following traffic generators: - * Dummy (DEFAULT): Allows you to use your own external - traffic generator. + * Dummy (DEFAULT) * IXIA (IxNet and IxOS) * Spirent TestCenter * Xena Networks @@ -87,12 +86,25 @@ commandline above to: $ ./vsperf --test-params "TRAFFICGEN_PKT_SIZES=(x,y);TRAFFICGEN_DURATION=10;" \ "TRAFFICGEN_RFC2544_TESTS=1" $TESTNAME -Dummy Setup ------------- +Dummy +----- + +The Dummy traffic generator can be used to test VSPERF installation or +to demonstrate VSPERF functionality at DUT without connection +to a real traffic generator. + +You could also use the Dummy generator in case, that your external +traffic generator is not supported by VSPERF. In such case you could +use VSPERF to setup your test scenario and then transmit the traffic. +After the transmission is completed you could specify values for all +collected metrics and VSPERF will use them to generate final reports. + +Setup +~~~~~ + To select the Dummy generator please add the following to your custom configuration file ``10_custom.conf``. - .. code-block:: console TRAFFICGEN = 'Dummy' @@ -140,8 +152,8 @@ when the setup is complete. } What was the result for 'frames tx'? -When your traffic gen has completed traffic transmission and provided -the results please input these at the vsperf prompt. vsperf will try +When your traffic generator has completed traffic transmission and provided +the results please input these at the VSPERF prompt. VSPERF will try to verify the input: .. code-block:: console @@ -150,16 +162,73 @@ to verify the input: Please answer with y OR n. -VPSERF will ask you for: - * Result for 'frames tx' - * Result for 'frames rx' - * Result for 'min latency' - * Result for 'max latency' - * Result for 'avg latency' - +VSPERF will ask you to provide a value for every of collected metrics. The list +of metrics can be found at traffic-type-metrics_. Finally vsperf will print out the results for your test and generate the -appropriate logs and csv files. +appropriate logs and report files. + +.. _traffic-type-metrics: + +Metrics collected for supported traffic types +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Below you could find a list of metrics collected by VSPERF for each of supported +traffic types. + +RFC2544 Throughput and Continuous: + + * frames tx + * frames rx + * min latency + * max latency + * avg latency + * frameloss + +RFC2544 Back2back: + + * b2b frames + * b2b frame loss % + +Dummy result pre-configuration +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +In case of a Dummy traffic generator it is possible to pre-configure the test +results. This is useful for creation of demo testcases, which do not require +a real traffic generator. Such testcase can be run by any user and it will still +generate all reports and result files. + +Result values can be specified within ``TRAFFICGEN_DUMMY_RESULTS`` dictionary, +where every of collected metrics must be properly defined. Please check the list +of traffic-type-metrics_. + +Dictionary with dummy results can be passed by CLI argument ``--test-params`` +or specified in ``Parameters`` section of testcase definition. + +Example of testcase execution with dummy results defined by CLI argument: + +.. code-block:: console + + $ ./vsperf back2back --trafficgen Dummy --test-params \ + "TRAFFICGEN_DUMMY_RESULTS={'b2b frames':'3000','b2b frame loss %':'0.0'}" + +Example of testcase definition with pre-configured dummy results: + +.. code-block:: python + + { + "Name": "back2back", + "Traffic Type": "rfc2544_back2back", + "Deployment": "p2p", + "biDirectional": "True", + "Description": "LTD.Throughput.RFC2544.BackToBackFrames", + "Parameters" : { + 'TRAFFICGEN_DUMMY_RESULTS' : {'b2b frames':'3000','b2b frame loss %':'0.0'} + }, + }, +**NOTE:** Pre-configured results for the Dummy traffic generator will be used only +in case, that the Dummy traffic generator is used. Otherwise the option +``TRAFFICGEN_DUMMY_RESULTS`` will be ignored. IXIA Setup ---------- |