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+.. _trex2:
+
+TRex Stateless Mode
+===================
+
+TRex can also be run in a stateless mode. For a detailed description of TRex stateless support
+please refer to `TRex Stateless Support <https://trex-tgn.cisco.com/trex/doc/trex_stateless.html>`_.
+
+In this section we show some simple examples using TRex stateless mode. These examples use
+the configuration as shown in the section :ref:`trex`. These examples we will be using VMWare VMs.
+
+To use TRex stateless mode we use 2 terminals on the TRex traffic generator node. One terminal will
+be used for the TRex console and one to monitor the traffic.
+
+In one of terminals start TRex in stateless mode. Use *Ctrl-C* to stop.
+
+.. code-block:: console
+
+ # cd v2.46/
+ # ./trex -i
+ -Per port stats table
+ ports | 0 | 1 | 2 | 3
+ -----------------------------------------------------------------------------------------
+ opackets | 0 | 0 | 0 | 0
+ obytes | 0 | 0 | 0 | 0
+ ipackets | 6 | 6 | 5 | 5
+ ibytes | 384 | 384 | 320 | 320
+ ierrors | 0 | 0 | 0 | 0
+ oerrors | 0 | 0 | 0 | 0
+ Tx Bw | 0.00 bps | 0.00 bps | 0.00 bps | 0.00 bps
+
+ -Global stats enabled
+ Cpu Utilization : 0.0 %
+ Platform_factor : 1.0
+ Total-Tx : 0.00 bps
+ Total-Rx : 238.30 bps
+ Total-PPS : 0.00 pps
+ Total-CPS : 0.00 cps
+
+ Expected-PPS : 0.00 pps
+ Expected-CPS : 0.00 cps
+ Expected-BPS : 0.00 bps
+
+ Active-flows : 0 Clients : 0 Socket-util : 0.0000 %
+ Open-flows : 0 Servers : 0 Socket : 0 Socket/Clients : -nan
+ drop-rate : 0.00 bps
+ current time : 21.4 sec
+ test duration : 0.0 sec
+ *** TRex is shutting down - cause: 'CTRL + C detected'
+ All cores stopped !!
+
+In the other terminal start the TRex console. With this console we will execute the TRex commands.
+
+.. code-block:: console
+
+ # cd v2.46/
+ # ./trex -console
+
+ Using 'python' as Python interpeter
+
+
+ Connecting to RPC server on localhost:4501 [SUCCESS]
+
+
+ Connecting to publisher server on localhost:4500 [SUCCESS]
+
+
+ Acquiring ports [0, 1, 2, 3]: [SUCCESS]
+
+
+ Server Info:
+
+ Server version: v2.46 @ STL
+ Server mode: Stateless
+ Server CPU: 2 x Intel(R) Xeon(R) CPU E5-2680 v2 @ 2.80GHz
+ Ports count: 4 x 10Gbps @ VMXNET3 Ethernet Controller
+
+ -=TRex Console v3.0=-
+
+ Type 'help' or '?' for supported actions
+ trex>
+
+Start some traffic using the **stl/imix.py** traffic profile.
+
+.. code-block:: console
+
+ trex>start -f ./stl/imix.py -p 0 1 2 3 -m 9475mbps
+
+ Removing all streams from port(s) [0, 1, 2, 3]: [SUCCESS]
+
+
+ Attaching 3 streams to port(s) [0]: [SUCCESS]
+
+
+ Attaching 3 streams to port(s) [1]: [SUCCESS]
+
+
+ Attaching 3 streams to port(s) [2]: [SUCCESS]
+
+
+ Attaching 3 streams to port(s) [3]: [SUCCESS]
+
+
+ Starting traffic on port(s) [0, 1, 2, 3]: [SUCCESS]
+
+ 80.94 [ms]
+
+ trex>
+
+The **-f ./stl/imix.py** argument specifies the file that is used to create the
+traffic profile. The argument **-p 0 1 2 3** specifies the ports to be used.
+The argument **-m 9475mbps** the number of packets/sec to be used.
+All the arguments can be displayed with the **-h** argument.
+
+In the other terminal the display shows the statistics related the traffic flows.
+
+.. code-block:: console
+
+ -Per port stats table
+ ports | 0 | 1 | 2 | 3
+ -----------------------------------------------------------------------------------------
+ opackets | 789907304 | 789894738 | 790017701 | 790017132
+ obytes | 285397726750 | 285392406754 | 285406864578 | 285405883070
+ ipackets | 1563501970 | 45 | 1563504693 | 44
+ ibytes | 564870783050 | 2880 | 564873491682 | 2816
+ ierrors | 15728759 | 0 | 15732451 | 0
+ oerrors | 0 | 0 | 0 | 0
+ Tx Bw | 606.55 Mbps | 606.19 Mbps | 606.25 Mbps | 606.51 Mbps
+
+ -Global stats enabled
+ Cpu Utilization : 100.0 % 2.4 Gb/core
+ Platform_factor : 1.0
+ Total-Tx : 2.43 Gbps
+ Total-Rx : 2.40 Gbps
+ Total-PPS : 841.44 Kpps
+ Total-CPS : 0.00 cps
+
+ Expected-PPS : 0.00 pps
+ Expected-CPS : 0.00 cps
+ Expected-BPS : 0.00 bps
+
+ Active-flows : 0 Clients : 0 Socket-util : 0.0000 %
+ Open-flows : 0 Servers : 0 Socket : 0 Socket/Clients : -nan
+ Total_queue_full : 6529970196
+ drop-rate : 0.00 bps
+ current time : 4016.8 sec
+ test duration : 0.0 sec
+
+More statistics can be displayed on the TRex console using the **tui** command.
+
+.. code-block:: console
+
+ trex>tui
+
+ Global Statistitcs
+
+ connection : localhost, Port 4501 total_tx_L2 : 2.45 Gb/sec
+ version : STL @ v2.46 total_tx_L1 : 2.59 Gb/sec
+ cpu_util. : 99.89% @ 2 cores (1 per port) total_rx : 2.42 Gb/sec
+ rx_cpu_util. : 4.03% / 837.39 Kpkt/sec total_pps : 846.96 Kpkt/sec
+ async_util. : 0.05% / 1.76 KB/sec drop_rate : 0 b/sec
+ queue_full : 42,750,771 pkts
+
+ Port Statistics
+
+ port | 0 | 1 | 2 | 3 | total
+ -----------+-------------------+-------------------+-------------------+-------------------+------------------
+ owner | root | root | root | root |
+ link | UP | UP | UP | UP |
+ state | TRANSMITTING | TRANSMITTING | TRANSMITTING | TRANSMITTING |
+ speed | 10 Gb/s | 10 Gb/s | 10 Gb/s | 10 Gb/s |
+ CPU util. | 99.89% | 99.89% | 99.89% | 99.89% |
+ -- | | | | |
+ Tx bps L2 | 612.76 Mbps | 613.07 Mbps | 612.52 Mbps | 612.77 Mbps | 2.45 Gbps
+ Tx bps L1 | 646.64 Mbps | 646.96 Mbps | 646.4 Mbps | 646.64 Mbps | 2.59 Gbps
+ Tx pps | 211.72 Kpps | 211.8 Kpps | 211.73 Kpps | 211.71 Kpps | 846.96 Kpps
+ Line Util. | 6.47 % | 6.47 % | 6.46 % | 6.47 % |
+ --- | | | | |
+ Rx bps | 1.21 Gbps | \u25bc\u25bc\u25bc 23.03 bps | 1.21 Gbps | 5.94 bps | 2.42 G bps
+ Rx pps | 418.59 Kpps | 0.04 pps | 418.77 Kpps | 0.01 pps | 837.36 Kpps
+ ---- | | | | |
+ opackets | 5227126 | 5227271 | 5432528 | 5432354 | 21319279
+ ipackets | 10526000 | 5 | 10527054 | 4 | 21053063
+ obytes | 1890829910 | 1891039152 | 1965259162 | 1965124338 | 7712252562
+ ibytes | 3807894454 | 320 | 3808149896 | 256 | 7616044926
+ tx-pkts | 5.23 Mpkts | 5.23 Mpkts | 5.43 Mpkts | 5.43 Mpkts | 21.32 Mpkts
+ rx-pkts | 10.53 Mpkts | 5 pkts | 10.53 Mpkts | 4 pkts | 21.05 Mpkts
+ tx-bytes | 1.89 GB | 1.89 GB | 1.97 GB | 1.97 GB | 7.71 GB
+ rx-bytes | 3.81 GB | 320 B | 3.81 GB | 256 B | 7.62 GB
+ ----- | | | | |
+ oerrors | 0 | 0 | 0 | 0 | 0
+ ierrors | 133,370 | 0 | 132,529 | 0 | 265,899