two_controller.py

#!/usr/bin/python

from mininet.examples.cluster import MininetCluster, SwitchBinPlacer
from mininet.topolib import TreeTopo
from mininet.topo import LinearTopo
from mininet.log import setLogLevel, info
from mininet.examples.clustercli import ClusterCLI as CLI
from mininet.net import Mininet
from mininet.node import Controller, RemoteController
from mininet.util import dumpNodeConnections
REMOTE_CONTROLLER_A_IP="192.168.59.100"
REMOTE_CONTROLLER_B_IP="192.168.59.101"

def demo():
    # AAAA
    net_a = Mininet (topo=None, build=False)
    controller_a = net_a.addController(name='controller0',
                                    controller=RemoteController,
                                    ip=REMOTE_CONTROLLER_A_IP,
                                    port=6633)
    info("Create Host node\n")
    host1 = net_a.addHost('h1', ip='10.0.0.1')
    host2 = net_a.addHost('h2', ip='10.0.0.2')
    info("Create Switch\n")
    switch1 = net_a.addSwitch('ovs1')
    switch2 = net_a.addSwitch('ovs2')

    info("Link switch\n")
    net_a.addLink(switch1, host1)
    net_a.addLink(switch2, host2)
    net_a.addLink(switch1, switch2)


    # BBBBB
    net_b = Mininet (topo=None, build=False)
    controller_b = net_b.addController(name='controller1',
                                    controller=RemoteController,
                                    ip=REMOTE_CONTROLLER_B_IP,
                                    port=6633)
    info("Create Host node\n")
    host3 = net_b.addHost('h3', ip='10.0.0.3')
    host4 = net_b.addHost('h4', ip='10.0.0.4')
    info("Create Switch\n")
    switch3 = net_b.addSwitch('ovs3')
    switch4 = net_b.addSwitch('ovs4')

    info("Link switch\n")
    net_b.addLink(switch3, host3)
    net_b.addLink(switch4, host4)
    net_b.addLink(switch3, switch4)

    info("Connect two domain between net_a and net_b")
    net_a.addLink(switch1, switch3)

    net_a.start()
    dumpNodeConnections(net_a.hosts)
    net_a.pingAll()

    net_b.start()
    dumpNodeConnections(net_b.hosts)
    net_b.pingAll()

    net_a.stop()
    net_b.stop()

if __name__ == '__main__':
    setLogLevel( 'info' )
    demo()