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Diffstat (limited to 'docs/testing/user')
-rw-r--r-- | docs/testing/user/configguide/installation.rst | 1 | ||||
-rw-r--r-- | docs/testing/user/configguide/trafficgen.rst | 96 |
2 files changed, 97 insertions, 0 deletions
diff --git a/docs/testing/user/configguide/installation.rst b/docs/testing/user/configguide/installation.rst index 207e50a4..837bee1c 100644 --- a/docs/testing/user/configguide/installation.rst +++ b/docs/testing/user/configguide/installation.rst @@ -48,6 +48,7 @@ Supported Operating Systems * Fedora 24 (kernel 4.8 requires DPDK 16.11 and newer) * Fedora 25 (kernel 4.9 requires DPDK 16.11 and newer) * openSUSE 42.2 +* openSUSE 42.3 * RedHat 7.2 Enterprise Linux * RedHat 7.3 Enterprise Linux * Ubuntu 14.04 diff --git a/docs/testing/user/configguide/trafficgen.rst b/docs/testing/user/configguide/trafficgen.rst index 1059ce12..3c827f38 100644 --- a/docs/testing/user/configguide/trafficgen.rst +++ b/docs/testing/user/configguide/trafficgen.rst @@ -18,6 +18,7 @@ VSPERF supports the following traffic generators: * `Spirent TestCenter`_ * `Xena Networks`_ * MoonGen_ + * Trex_ To see the list of traffic gens from the cli: @@ -714,3 +715,98 @@ set to allow for proper connections to the host with MoonGen. TRAFFICGEN_MOONGEN_BASE_DIR = "" TRAFFICGEN_MOONGEN_PORTS = "" TRAFFICGEN_MOONGEN_LINE_SPEED_GBPS = "" + +Trex +---- + +Installation +~~~~~~~~~~~~ + +Trex architecture overview and general installation instructions +can be found here: + +https://trex-tgn.cisco.com/trex/doc/trex_stateless.html + +You can directly download from GitHub: + +.. code-block:: console + + git clone https://github.com/cisco-system-traffic-generator/trex-core + +and use the master branch: + +.. code-block:: console + + git checkout master + +or Trex latest release you can download from here: + +.. code-block:: console + + wget --no-cache http://trex-tgn.cisco.com/trex/release/latest + +After download, Trex repo has to be built: + +.. code-block:: console + + cd trex-core/linux_dpdk + ./b configure (run only once) + ./b build + +Next step is to create a minimum configuration file. It can be created by script ``dpdk_setup_ports.py``. +The script with parameter ``-i`` will run in interactive mode and it will create file ``/etc/trex_cfg.yaml``. + +.. code-block:: console + + cd trex-core/scripts + sudo ./dpdk_setup_ports.py -i + +Or example of configuration file can be found at location below, but it must be updated manually: + +.. code-block:: console + + cp trex-core/scripts/cfg/simple_cfg /etc/trex_cfg.yaml + +For additional information about configuration file see official documentation (chapter 3.1.2): + +https://trex-tgn.cisco.com/trex/doc/trex_manual.html#_creating_minimum_configuration_file + +After compilation and configuration it is possible to run trex server in stateless mode. +It is neccesary for proper connection between Trex server and VSPERF. + +.. code-block:: console + + cd trex-core/scripts/ + ./t-rex-64 -i + +For additional information about Trex stateless mode see Trex stateless documentation: + +https://trex-tgn.cisco.com/trex/doc/trex_stateless.html + +**NOTE:** One will need to set up ssh login to not use passwords between the server +running Trex and the device under test (running the VSPERF test +infrastructure). This is because VSPERF on one server uses 'ssh' to +configure and run Trex 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 Trex must be supplied inside the custom configuration +file. The following parameters must be set to allow for proper connections to the host with Trex. +Example of this configuration is in conf/03_traffic.conf or conf/10_custom.conf. + +.. code-block:: console + + TRAFFICGEN_TREX_HOST_IP_ADDR = '' + TRAFFICGEN_TREX_USER = '' + TRAFFICGEN_TREX_BASE_DIR = '' + +TRAFFICGEN_TREX_USER has to have sudo permission and passwordless access. +TRAFFICGEN_TREX_BASE_DIR is the place, where is stored 't-rex-64' file. |