#!/usr/bin/python

"""
Example to create a Mininet topology and connect it to the internet via NAT
"""

from mininet.cli import CLI
from mininet.log import lg
from mininet.node import Node
from mininet.topolib import TreeNet

if __name__ == '__main__':
    lg.setLogLevel( 'info')
    net = TreeNet( depth=1, fanout=4 )
    # Add NAT connectivity
    net.addNAT().configDefault()
    net.start()
    print "*** Hosts are running and should have internet connectivity"
    print "*** Type 'exit' or control-D to shut down network"
    CLI( net )
    # Shut down NAT
    net.stop()