POX is a network controller written in Python.

POX officially requires Python 2.7 (though much of it will work fine
fine with Python 2.6), and should run under Linux, Mac OS, and Windows.
You can place a pypy distribution alongside pox.py (in a directory
named "pypy"), and POX will run with pypy (this can be a significant
performance boost!).

POX currently communicates with OpenFlow 1.0 switches and includes
special support for Open vSwitch.

pox.py boots up POX. It takes a list of module names on the command line,
locates the modules, calls their launch() function (if it exists), and
then transitions to the "up" state.

Modules are looked for everywhere that Python normally looks, plus the
"pox" and "ext" directories.  Thus, you can do the following:

  ./pox.py forwarding.l2_learning

You can pass options to the modules by specifying options after the module
name.  These are passed to the module's launch() funcion.  For example,
to set the address or port of the controller, invoke as follows:

  ./pox.py openflow.of_01 --address=10.1.1.1 --port=6634

pox.py also supports a few command line options of its own which should
be given first:
 --verbose      print stack traces for initialization exceptions
 --no-openflow  don't start the openflow module automatically