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+L2 Ethernet Interface Loop
+==========================
+
+This section includes summary graphs of Testpmd Phy-to-Phy packet
+latency with L2 Ethernet Interface Loop measured at 50% of discovered
+NDR throughput rate. Latency is reported for Testpmd running in multiple
+configurations of Testpmd pmd thread(s), a.k.a. Testpmd data plane
+thread(s), and their physical CPU core(s) placement.
+
+Testpmd packet latency - running in configuration of **one worker thread (1t) on one
+physical core (1c)** - is presented in the figure below.
+
+.. raw:: html
+
+    <iframe width="700" height="1000" frameborder="0" scrolling="no" src="../../_static/dpdk/64B-1t1c-l2-ndrdisc-lat50.html"></iframe>
+
+*Figure 1. Testpmd 1thread 1core - packet latency for Phy-to-Phy L2 Ethernet Looping.*
+
+CSIT test cases used to generate results presented above can be found in CSIT
+git repository by filtering with specified regex as follows:
+
+.. code-block:: bash
+
+    $ $CSIT/tests/dpdk/perf
+    $ grep -E "64B-1t1c-eth-l2xcbase-testpmd-ndrdisc" *
+
+    10ge2p1x520-eth-l2xcbase-testpmd-ndrpdrdisc.robot:| tc01-64B-1t1c-eth-l2xcbase-testpmd-ndrdisc
+    10ge2p1x710-eth-l2xcbase-testpmd-ndrpdrdisc.robot:| tc01-64B-1t1c-eth-l2xcbase-testpmd-ndrdisc
+    40ge2p1xl710-eth-l2xcbase-testpmd-ndrpdrdisc.robot:| tc01-64B-1t1c-eth-l2xcbase-testpmd-ndrdisc
+
+Testpmd packet latency - running in configuration of **two worker threads (2t)
+on two physical cores (2c)** - is presented in the figure below.
+
+.. raw:: html
+
+    <iframe width="700" height="1000" frameborder="0" scrolling="no" src="../../_static/dpdk/64B-2t2c-l2-ndrdisc-lat50.html"></iframe>
+
+*Figure 2. Testpmd 2thread 2core - packet latency for Phy-to-Phy L2 Ethernet Looping.*
+
+CSIT test cases used to generate results presented above can be found in CSIT
+git repository by filtering with specified regex as follows:
+
+.. code-block:: bash
+
+    $ $CSIT/tests/dpdk/perf
+    $ grep -E "64B-2t2c-eth-l2xcbase-testpmd-ndrdisc" *
+
+    10ge2p1x520-eth-l2xcbase-testpmd-ndrpdrdisc.robot:| tc07-64B-2t2c-eth-l2xcbase-testpmd-ndrdisc
+    10ge2p1x710-eth-l2xcbase-testpmd-ndrpdrdisc.robot:| tc07-64B-2t2c-eth-l2xcbase-testpmd-ndrdisc
+    40ge2p1xl710-eth-l2xcbase-testpmd-ndrpdrdisc.robot:| tc07-64B-2t2c-eth-l2xcbase-testpmd-ndrdisc
+