Start forwarding on initialization.
+* ``--tx-first``
+
+ Start forwarding, after sending a burst of packets first.
+
+.. Note::
+
+ This flag should be only used in non-interactive mode.
+
+* ``--stats-period PERIOD``
+
+ Display statistics every PERIOD seconds, if interactive mode is disabled.
+ The default value is 0, which means that the statistics will not be displayed.
+
* ``--nb-cores=N``
Set the number of forwarding cores,
Disable printing the occurrence of the designated event. Using all will
disable all of them.
+
+* ``--flow-isolate-all``
+
+ Providing this parameter requests flow API isolated mode on all ports at
+ initialization time. It ensures all traffic is received through the
+ configured flow rules only (see flow command).
+
+ Ports that do not support this mode are automatically discarded.