Link_Failure_PktNet.py

from mininet.topo import Topo
from mininet.net import Mininet
from mininet.log import setLogLevel, info
from mininet.node import RemoteController
from mininet.cli import CLI

class Simple3PktSwitch( Topo ):
    "Simple topology example."

    def __init__( self ):
        "Create custom topo."

        # Initialize topology
        Topo.__init__( self )

        # Add hosts and switches
        h1 = self.addHost( 'h1' )
        h2 = self.addHost( 'h2' )
        h3 = self.addHost( 'h3' )


        # opts =dict(protocols='OpenFlow10')

        # Adding switches
        p1 = self.addSwitch('p1', dpid="0000ffff00000001")
        p2 = self.addSwitch('p2', dpid="0000ffff00000002")
        p3 = self.addSwitch('p3', dpid="0000ffff00000003")

        # Add links
        self.addLink( h1, p1 )
        self.addLink( h2, p2 )
        self.addLink( h3, p3 )
        self.addLink( p2, p3 )
        self.addLink( p1, p2 )




def run():
    c = RemoteController('c','0.0.0.0',6633)
    net = Mininet( topo=Simple3PktSwitch(),controller=None,autoSetMacs=True)
    net.addController(c)
    net.start()

    #installStaticFlows( net )
    CLI( net )
    net.stop()

# if the script is run directly (sudo custom/optical.py):
if __name__ == '__main__':
    setLogLevel('info')
    run()