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authorChristian Trautman <ctrautma@redhat.com>2017-01-23 13:33:56 -0500
committerChristian Trautman <ctrautma@redhat.com>2017-01-23 13:33:56 -0500
commit3aa4a6fab319a1e532eb8bb963a4632bc37797ef (patch)
treeb465d9c98e80fbaae44a735943aec0d01b7d1f4d /docs/configguide
parent605742c4e23f8aa199395dea96d5758dc2616093 (diff)
xena_cont_learning: Adds learning preemption to continuous traffic
Adds a configurable learning preemptive option when running xena continuous traffic tests. This resolves a missing packet or two when running OVS tests at flow rates that should not drop packets. JIRA: VSPERF-473 Change-Id: I056578ed9c9181287d97aea55a002f09aac14e81 Signed-off-by: Christian Trautman <ctrautma@redhat.com>
Diffstat (limited to 'docs/configguide')
-rw-r--r--docs/configguide/trafficgen.rst13
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/configguide/trafficgen.rst b/docs/configguide/trafficgen.rst
index 5190bc8e..b66a1787 100644
--- a/docs/configguide/trafficgen.rst
+++ b/docs/configguide/trafficgen.rst
@@ -516,6 +516,19 @@ 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
-------