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#!/usr/bin/env 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, info
from mininet.topolib import TreeNet
if __name__ == '__main__':
lg.setLogLevel( 'info')
net = TreeNet( depth=1, fanout=4, waitConnected=True )
# Add NAT connectivity
net.addNAT().configDefault()
net.start()
info( "*** Hosts are running and should have internet connectivity\n" )
info( "*** Type 'exit' or control-D to shut down network\n" )
CLI( net )
# Shut down NAT
net.stop()
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