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diff --git a/docs/configguide/trafficgen.rst b/docs/configguide/trafficgen.rst deleted file mode 100644 index 4e42b2be..00000000 --- a/docs/configguide/trafficgen.rst +++ /dev/null @@ -1,671 +0,0 @@ -.. This work is licensed under a Creative Commons Attribution 4.0 International License. -.. http://creativecommons.org/licenses/by/4.0 -.. (c) OPNFV, Intel Corporation, AT&T and others. - -.. _trafficgen-installation: - -=========================== -'vsperf' Traffic Gen Guide -=========================== - -Overview --------- - -VSPERF supports the following traffic generators: - - * Dummy_ (DEFAULT) - * Ixia_ - * `Spirent TestCenter`_ - * `Xena Networks`_ - * MoonGen_ - -To see the list of traffic gens from the cli: - -.. code-block:: console - - $ ./vsperf --list-trafficgens - -This guide provides the details of how to install -and configure the various traffic generators. - -Background Information ----------------------- -The traffic default configuration can be found in **conf/03_traffic.conf**, -and is configured as follows: - -.. code-block:: console - - TRAFFIC = { - 'traffic_type' : 'rfc2544_throughput', - 'frame_rate' : 100, - 'bidir' : 'True', # will be passed as string in title format to tgen - 'multistream' : 0, - 'stream_type' : 'L4', - 'pre_installed_flows' : 'No', # used by vswitch implementation - 'flow_type' : 'port', # used by vswitch implementation - - 'l2': { - 'framesize': 64, - 'srcmac': '00:00:00:00:00:00', - 'dstmac': '00:00:00:00:00:00', - }, - 'l3': { - 'proto': 'udp', - 'srcip': '1.1.1.1', - 'dstip': '90.90.90.90', - }, - 'l4': { - 'srcport': 3000, - 'dstport': 3001, - }, - 'vlan': { - 'enabled': False, - 'id': 0, - 'priority': 0, - 'cfi': 0, - }, - } - -The framesize parameter can be overridden from the configuration -files by adding the following to your custom configuration file -``10_custom.conf``: - -.. code-block:: console - - TRAFFICGEN_PKT_SIZES = (64, 128,) - -OR from the commandline: - -.. code-block:: console - - $ ./vsperf --test-params "TRAFFICGEN_PKT_SIZES=(x,y)" $TESTNAME - -You can also modify the traffic transmission duration and the number -of tests run by the traffic generator by extending the example -commandline above to: - -.. code-block:: console - - $ ./vsperf --test-params "TRAFFICGEN_PKT_SIZES=(x,y);TRAFFICGEN_DURATION=10;" \ - "TRAFFICGEN_RFC2544_TESTS=1" $TESTNAME - -.. _trafficgen-dummy: - -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' - -OR run ``vsperf`` with the ``--trafficgen`` argument - -.. code-block:: console - - $ ./vsperf --trafficgen Dummy $TESTNAME - -Where $TESTNAME is the name of the vsperf test you would like to run. -This will setup the vSwitch and the VNF (if one is part of your test) -print the traffic configuration and prompt you to transmit traffic -when the setup is complete. - -.. code-block:: console - - Please send 'continuous' traffic with the following stream config: - 30mS, 90mpps, multistream False - and the following flow config: - { - "flow_type": "port", - "l3": { - "srcip": "1.1.1.1", - "proto": "tcp", - "dstip": "90.90.90.90" - }, - "traffic_type": "rfc2544_continuous", - "multistream": 0, - "bidir": "True", - "vlan": { - "cfi": 0, - "priority": 0, - "id": 0, - "enabled": false - }, - "frame_rate": 90, - "l2": { - "dstport": 3001, - "srcport": 3000, - "dstmac": "00:00:00:00:00:00", - "srcmac": "00:00:00:00:00:00", - "framesize": 64 - } - } - What was the result for 'frames tx'? - -When your traffic generator has completed traffic transmission and provided -the results please input these at the VSPERF prompt. VSPERF will try -to verify the input: - -.. code-block:: console - - Is '$input_value' correct? - -Please answer with y OR n. - -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 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: - -Ixia ----- - -VSPERF can use both IxNetwork and IxExplorer TCL servers to control Ixia chassis. -However usage of IxNetwork TCL server is a preferred option. Following sections -will describe installation and configuration of IxNetwork components used by VSPERF. - -Installation -~~~~~~~~~~~~ - -On the system under the test you need to install IxNetworkTclClient$(VER\_NUM)Linux.bin.tgz. - -On the IXIA client software system you need to install IxNetwork TCL server. After its -installation you should configure it as follows: - - 1. Find the IxNetwork TCL server app (start -> All Programs -> IXIA -> - IxNetwork -> IxNetwork\_$(VER\_NUM) -> IxNetwork TCL Server) - 2. Right click on IxNetwork TCL Server, select properties - Under shortcut tab in - the Target dialogue box make sure there is the argument "-tclport xxxx" - where xxxx is your port number (take note of this port number as you will - need it for the 10\_custom.conf file). - - .. image:: TCLServerProperties.png - - 3. Hit Ok and start the TCL server application - -VSPERF configuration -~~~~~~~~~~~~~~~~~~~~ - -There are several configuration options specific to the IxNetwork traffic generator -from IXIA. It is essential to set them correctly, before the VSPERF is executed -for the first time. - -Detailed description of options follows: - - * ``TRAFFICGEN_IXNET_MACHINE`` - IP address of server, where IxNetwork TCL Server is running - * ``TRAFFICGEN_IXNET_PORT`` - PORT, where IxNetwork TCL Server is accepting connections from - TCL clients - * ``TRAFFICGEN_IXNET_USER`` - username, which will be used during communication with IxNetwork - TCL Server and IXIA chassis - * ``TRAFFICGEN_IXIA_HOST`` - IP address of IXIA traffic generator chassis - * ``TRAFFICGEN_IXIA_CARD`` - identification of card with dedicated ports at IXIA chassis - * ``TRAFFICGEN_IXIA_PORT1`` - identification of the first dedicated port at ``TRAFFICGEN_IXIA_CARD`` - at IXIA chassis; VSPERF uses two separated ports for traffic generation. In case of - unidirectional traffic, it is essential to correctly connect 1st IXIA port to the 1st NIC - at DUT, i.e. to the first PCI handle from ``WHITELIST_NICS`` list. Otherwise traffic may not - be able to pass through the vSwitch. - * ``TRAFFICGEN_IXIA_PORT2`` - identification of the second dedicated port at ``TRAFFICGEN_IXIA_CARD`` - at IXIA chassis; VSPERF uses two separated ports for traffic generation. In case of - unidirectional traffic, it is essential to correctly connect 2nd IXIA port to the 2nd NIC - at DUT, i.e. to the second PCI handle from ``WHITELIST_NICS`` list. Otherwise traffic may not - be able to pass through the vSwitch. - * ``TRAFFICGEN_IXNET_LIB_PATH`` - path to the DUT specific installation of IxNetwork TCL API - * ``TRAFFICGEN_IXNET_TCL_SCRIPT`` - name of the TCL script, which VSPERF will use for - communication with IXIA TCL server - * ``TRAFFICGEN_IXNET_TESTER_RESULT_DIR`` - folder accessible from IxNetwork TCL server, - where test results are stored, e.g. ``c:/ixia_results``; see test-results-share_ - * ``TRAFFICGEN_IXNET_DUT_RESULT_DIR`` - directory accessible from the DUT, where test - results from IxNetwork TCL server are stored, e.g. ``/mnt/ixia_results``; see - test-results-share_ - -.. _test-results-share: - -Test results share -~~~~~~~~~~~~~~~~~~ - -VSPERF is not able to retrieve test results via TCL API directly. Instead, all test -results are stored at IxNetwork TCL server. Results are stored at folder defined by -``TRAFFICGEN_IXNET_TESTER_RESULT_DIR`` configuration parameter. Content of this -folder must be shared (e.g. via samba protocol) between TCL Server and DUT, where -VSPERF is executed. VSPERF expects, that test results will be available at directory -configured by ``TRAFFICGEN_IXNET_DUT_RESULT_DIR`` configuration parameter. - -Example of sharing configuration: - - * Create a new folder at IxNetwork TCL server machine, e.g. ``c:\ixia_results`` - * Modify sharing options of ``ixia_results`` folder to share it with everybody - * Create a new directory at DUT, where shared directory with results - will be mounted, e.g. ``/mnt/ixia_results`` - * Update your custom VSPERF configuration file as follows: - - .. code-block:: python - - TRAFFICGEN_IXNET_TESTER_RESULT_DIR = 'c:/ixia_results' - TRAFFICGEN_IXNET_DUT_RESULT_DIR = '/mnt/ixia_results' - - **NOTE:** It is essential to use slashes '/' also in path - configured by ``TRAFFICGEN_IXNET_TESTER_RESULT_DIR`` parameter. - * Install cifs-utils package. - - e.g. at rpm based Linux distribution: - - .. code-block:: console - - yum install cifs-utils - - * Mount shared directory, so VSPERF can access test results. - - e.g. by adding new record into ``/etc/fstab`` - - .. code-block:: console - - mount -t cifs //_TCL_SERVER_IP_OR_FQDN_/ixia_results /mnt/ixia_results - -o file_mode=0777,dir_mode=0777,nounix - -It is recommended to verify, that any new file inserted into ``c:/ixia_results`` folder -is visible at DUT inside ``/mnt/ixia_results`` directory. - -.. _`Spirent TestCenter`: - -Spirent Setup -------------- - -Spirent installation files and instructions are available on the -Spirent support website at: - -http://support.spirent.com - -Select a version of Spirent TestCenter software to utilize. This example -will use Spirent TestCenter v4.57 as an example. Substitute the appropriate -version in place of 'v4.57' in the examples, below. - -On the CentOS 7 System -~~~~~~~~~~~~~~~~~~~~~~ - -Download and install the following: - -Spirent TestCenter Application, v4.57 for 64-bit Linux Client - -Spirent Virtual Deployment Service (VDS) -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Spirent VDS is required for both TestCenter hardware and virtual -chassis in the vsperf environment. For installation, select the version -that matches the Spirent TestCenter Application version. For v4.57, -the matching VDS version is 1.0.55. Download either the ova (VMware) -or qcow2 (QEMU) image and create a VM with it. Initialize the VM -according to Spirent installation instructions. - -Using Spirent TestCenter Virtual (STCv) -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -STCv is available in both ova (VMware) and qcow2 (QEMU) formats. For -VMware, download: - -Spirent TestCenter Virtual Machine for VMware, v4.57 for Hypervisor - VMware ESX.ESXi - -Virtual test port performance is affected by the hypervisor configuration. For -best practice results in deploying STCv, the following is suggested: - -- Create a single VM with two test ports rather than two VMs with one port each -- Set STCv in DPDK mode -- Give STCv 2*n + 1 cores, where n = the number of ports. For vsperf, cores = 5. -- Turning off hyperthreading and pinning these cores will improve performance -- Give STCv 2 GB of RAM - -To get the highest performance and accuracy, Spirent TestCenter hardware is -recommended. vsperf can run with either stype test ports. - -Using STC REST Client -~~~~~~~~~~~~~~~~~~~~~ -The stcrestclient package provides the stchttp.py ReST API wrapper module. -This allows simple function calls, nearly identical to those provided by -StcPython.py, to be used to access TestCenter server sessions via the -STC ReST API. Basic ReST functionality is provided by the resthttp module, -and may be used for writing ReST clients independent of STC. - -- Project page: <https://github.com/Spirent/py-stcrestclient> -- Package download: <http://pypi.python.org/pypi/stcrestclient> - -To use REST interface, follow the instructions in the Project page to -install the package. Once installed, the scripts named with 'rest' keyword -can be used. For example: testcenter-rfc2544-rest.py can be used to run -RFC 2544 tests using the REST interface. - -Configuration: -~~~~~~~~~~~~~~ - -1. The Labserver and license server addresses. These parameters applies to - all the tests, and are mandatory for all tests. - -.. code-block:: console - - TRAFFICGEN_STC_LAB_SERVER_ADDR = " " - TRAFFICGEN_STC_LICENSE_SERVER_ADDR = " " - TRAFFICGEN_STC_PYTHON2_PATH = " " - TRAFFICGEN_STC_TESTCENTER_PATH = " " - TRAFFICGEN_STC_TEST_SESSION_NAME = " " - TRAFFICGEN_STC_CSV_RESULTS_FILE_PREFIX = " " - -2. For RFC2544 tests, the following parameters are mandatory - -.. code-block:: console - - TRAFFICGEN_STC_EAST_CHASSIS_ADDR = " " - TRAFFICGEN_STC_EAST_SLOT_NUM = " " - TRAFFICGEN_STC_EAST_PORT_NUM = " " - TRAFFICGEN_STC_EAST_INTF_ADDR = " " - TRAFFICGEN_STC_EAST_INTF_GATEWAY_ADDR = " " - TRAFFICGEN_STC_WEST_CHASSIS_ADDR = "" - TRAFFICGEN_STC_WEST_SLOT_NUM = " " - TRAFFICGEN_STC_WEST_PORT_NUM = " " - TRAFFICGEN_STC_WEST_INTF_ADDR = " " - TRAFFICGEN_STC_WEST_INTF_GATEWAY_ADDR = " " - TRAFFICGEN_STC_RFC2544_TPUT_TEST_FILE_NAME - -3. RFC2889 tests: Currently, the forwarding, address-caching, and - address-learning-rate tests of RFC2889 are supported. - The testcenter-rfc2889-rest.py script implements the rfc2889 tests. - The configuration for RFC2889 involves test-case definition, and parameter - definition, as described below. New results-constants, as shown below, are - added to support these tests. - -Example of testcase definition for RFC2889 tests: - -.. code-block:: python - - { - "Name": "phy2phy_forwarding", - "Deployment": "p2p", - "Description": "LTD.Forwarding.RFC2889.MaxForwardingRate", - "Parameters" : { - "TRAFFIC" : { - "traffic_type" : "rfc2889_forwarding", - }, - }, - } - -For RFC2889 tests, specifying the locations for the monitoring ports is mandatory. -Necessary parameters are: - -.. code-block:: console - - TRAFFICGEN_STC_RFC2889_TEST_FILE_NAME - TRAFFICGEN_STC_EAST_CHASSIS_ADDR = " " - TRAFFICGEN_STC_EAST_SLOT_NUM = " " - TRAFFICGEN_STC_EAST_PORT_NUM = " " - TRAFFICGEN_STC_EAST_INTF_ADDR = " " - TRAFFICGEN_STC_EAST_INTF_GATEWAY_ADDR = " " - TRAFFICGEN_STC_WEST_CHASSIS_ADDR = "" - TRAFFICGEN_STC_WEST_SLOT_NUM = " " - TRAFFICGEN_STC_WEST_PORT_NUM = " " - TRAFFICGEN_STC_WEST_INTF_ADDR = " " - TRAFFICGEN_STC_WEST_INTF_GATEWAY_ADDR = " " - TRAFFICGEN_STC_VERBOSE = "True" - TRAFFICGEN_STC_RFC2889_LOCATIONS="//10.1.1.1/1/1,//10.1.1.1/2/2" - -Other Configurations are : - -.. code-block:: console - - TRAFFICGEN_STC_RFC2889_MIN_LR = 1488 - TRAFFICGEN_STC_RFC2889_MAX_LR = 14880 - TRAFFICGEN_STC_RFC2889_MIN_ADDRS = 1000 - TRAFFICGEN_STC_RFC2889_MAX_ADDRS = 65536 - TRAFFICGEN_STC_RFC2889_AC_LR = 1000 - -The first 2 values are for address-learning test where as other 3 values are -for the Address caching capacity test. LR: Learning Rate. AC: Address Caching. -Maximum value for address is 16777216. Whereas, maximum for LR is 4294967295. - -Results for RFC2889 Tests: Forwarding tests outputs following values: - -.. code-block:: console - - TX_RATE_FPS : "Transmission Rate in Frames/sec" - THROUGHPUT_RX_FPS: "Received Throughput Frames/sec" - TX_RATE_MBPS : " Transmission rate in MBPS" - THROUGHPUT_RX_MBPS: "Received Throughput in MBPS" - TX_RATE_PERCENT: "Transmission Rate in Percentage" - FRAME_LOSS_PERCENT: "Frame loss in Percentage" - FORWARDING_RATE_FPS: " Maximum Forwarding Rate in FPS" - - -Whereas, the address caching test outputs following values, - -.. code-block:: console - - CACHING_CAPACITY_ADDRS = 'Number of address it can cache' - ADDR_LEARNED_PERCENT = 'Percentage of address successfully learned' - -and address learning test outputs just a single value: - -.. code-block:: console - - OPTIMAL_LEARNING_RATE_FPS = 'Optimal learning rate in fps' - -Note that 'FORWARDING_RATE_FPS', 'CACHING_CAPACITY_ADDRS', -'ADDR_LEARNED_PERCENT' and 'OPTIMAL_LEARNING_RATE_FPS' are the new -result-constants added to support RFC2889 tests. - -.. _`Xena Networks`: - -Xena Networks -------------- - -Installation -~~~~~~~~~~~~ - -Xena Networks traffic generator requires specific files and packages to be -installed. It is assumed the user has access to the Xena2544.exe file which -must be placed in VSPerf installation location under the tools/pkt_gen/xena -folder. Contact Xena Networks for the latest version of this file. The user -can also visit www.xenanetworks/downloads to obtain the file with a valid -support contract. - -**Note** VSPerf has been fully tested with version v2.43 of Xena2544.exe - -To execute the Xena2544.exe file under Linux distributions the mono-complete -package must be installed. To install this package follow the instructions -below. Further information can be obtained from -http://www.mono-project.com/docs/getting-started/install/linux/ - -.. code-block:: console - - rpm --import "http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF" - yum-config-manager --add-repo http://download.mono-project.com/repo/centos/ - yum -y install mono-complete - -To prevent gpg errors on future yum installation of packages the mono-project -repo should be disabled once installed. - -.. code-block:: console - - yum-config-manager --disable download.mono-project.com_repo_centos_ - -Configuration -~~~~~~~~~~~~~ - -Connection information for your Xena Chassis must be supplied inside the -``10_custom.conf`` or ``03_custom.conf`` file. The following parameters must be -set to allow for proper connections to the chassis. - -.. code-block:: console - - TRAFFICGEN_XENA_IP = '' - TRAFFICGEN_XENA_PORT1 = '' - TRAFFICGEN_XENA_PORT2 = '' - TRAFFICGEN_XENA_USER = '' - TRAFFICGEN_XENA_PASSWORD = '' - TRAFFICGEN_XENA_MODULE1 = '' - TRAFFICGEN_XENA_MODULE2 = '' - -RFC2544 Throughput Testing -~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Xena traffic generator testing for rfc2544 throughput can be modified for -different behaviors if needed. The default options for the following are -optimized for best results. - -.. code-block:: console - - TRAFFICGEN_XENA_2544_TPUT_INIT_VALUE = '10.0' - TRAFFICGEN_XENA_2544_TPUT_MIN_VALUE = '0.1' - TRAFFICGEN_XENA_2544_TPUT_MAX_VALUE = '100.0' - TRAFFICGEN_XENA_2544_TPUT_VALUE_RESOLUTION = '0.5' - TRAFFICGEN_XENA_2544_TPUT_USEPASS_THRESHHOLD = 'false' - TRAFFICGEN_XENA_2544_TPUT_PASS_THRESHHOLD = '0.0' - -Each value modifies the behavior of rfc 2544 throughput testing. Refer to your -Xena documentation to understand the behavior changes in modifying these -values. - -Continuous Traffic Testing -~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Xena continuous traffic by default does a 3 second learning preemption to allow -the DUT to receive learning packets before a continuous test is performed. If -a custom test case requires this learning be disabled, you can disable the option -or modify the length of the learning by modifying the following settings. - -.. code-block:: console - - TRAFFICGEN_XENA_CONT_PORT_LEARNING_ENABLED = False - TRAFFICGEN_XENA_CONT_PORT_LEARNING_DURATION = 3 - -MoonGen -------- - -Installation -~~~~~~~~~~~~ - -MoonGen architecture overview and general installation instructions -can be found here: - -https://github.com/emmericp/MoonGen - -* Note: Today, MoonGen with VSPERF only supports 10Gbps line speeds. - -For VSPERF use, MoonGen should be cloned from here (as opposed to the -previously mentioned GitHub): - -git clone https://github.com/atheurer/lua-trafficgen - -and use the master branch: - -git checkout master - -VSPERF uses a particular Lua script with the MoonGen project: - -trafficgen.lua - -Follow MoonGen set up and execution instructions here: - -https://github.com/atheurer/lua-trafficgen/blob/master/README.md - -Note one will need to set up ssh login to not use passwords between the server -running MoonGen and the device under test (running the VSPERF test -infrastructure). This is because VSPERF on one server uses 'ssh' to -configure and run MoonGen upon the other server. - -One can set up this ssh access by doing the following on both servers: - -.. code-block:: console - - ssh-keygen -b 2048 -t rsa - ssh-copy-id <other server> - -Configuration -~~~~~~~~~~~~~ - -Connection information for MoonGen must be supplied inside the -``10_custom.conf`` or ``03_custom.conf`` file. The following parameters must be -set to allow for proper connections to the host with MoonGen. - -.. code-block:: console - - TRAFFICGEN_MOONGEN_HOST_IP_ADDR = "" - TRAFFICGEN_MOONGEN_USER = "" - TRAFFICGEN_MOONGEN_BASE_DIR = "" - TRAFFICGEN_MOONGEN_PORTS = "" - TRAFFICGEN_MOONGEN_LINE_SPEED_GBPS = "" |