From bdc5346c3d2170d857274262e1ecf6872d00249e Mon Sep 17 00:00:00 2001
From: Christian Trautman <ctrautma@redhat.com>
Date: Tue, 28 Nov 2017 15:22:30 -0500
Subject: trex_learning: Add learning packet option to T-Rex testing

Adds packet learning option which is available on other
Traffic generators as a feature. This adds this feature to the
Trex implementation inside of VSPerf.

JIRA: VSPERF-547

Change-Id: Iaf4d0721b22eb780c25e29295c112d4fcb47b22c
Signed-off-by: Christian Trautman <ctrautma@redhat.com>
---
 docs/testing/user/configguide/trafficgen.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'docs/testing/user/configguide')

diff --git a/docs/testing/user/configguide/trafficgen.rst b/docs/testing/user/configguide/trafficgen.rst
index 4b9eec6e..535f7995 100644
--- a/docs/testing/user/configguide/trafficgen.rst
+++ b/docs/testing/user/configguide/trafficgen.rst
@@ -826,6 +826,15 @@ Default value of this parameter is defined in conf/03_traffic.conf as follows:
 
     TRAFFICGEN_TREX_RFC2544_TPUT_THRESHOLD = ''
 
+T-Rex can have learning packets enabled. For certain tests it may be beneficial
+to send some packets before starting test traffic to allow switch learning to take
+place. This can be adjusted with the following configurations:
+
+.. code-block:: console
+
+    TRAFFICGEN_TREX_LEARNING_MODE=True
+    TRAFFICGEN_TREX_LEARNING_DURATION=5
+
 SR-IOV and Multistream layer 2
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 T-Rex by default only accepts packets on the receive side if the destination mac matches the
-- 
cgit 1.2.3-korg