Test 1: mininet-wifi + pyretic

[Preparation]

If you want to run the following example, I suggest that you can use SDN hub VM. And install the mininet-wifi.(See the installation part)

[Topology]

In this topology, ap1 is also an openvswitch that accepts openflow control messages from remote controller. ap1 has two ports: ap1-eth1 is connected to h1 and ap1-wlan0 is for wireless station connections.

[mininet-wifi Scripts: test_infrastructure.py]

#!/usr/bin/python

from mininet.net import Mininet

from mininet.node import Controller, RemoteController, OVSKernelSwitch

from mininet.cli import CLI

from mininet.log import setLogLevel

from mininet.link import TCLink

def topology():

"Create a network."

net = Mininet( controller=Controller, link=TCLink, switch=OVSKernelSwitch )

print "*** Creating nodes"

sta1 = net.addStation( 'sta1', ip="192.168.0.1" )

sta2 = net.addStation( 'sta2', ip="192.168.0.2" )

h1 = net.addHost( 'h1', ip="192.168.0.3" )

ap1 = net.addBaseStation( 'ap1', ssid="ssid_1", mode="g", channel="1" )

c0 = net.addController('c0', controller=RemoteController, ip='127.0.0.1', port=6633 )

print "*** Adding Link"

net.addLink(h1,ap1)

net.addLink(sta1, ap1)

net.addLink(sta2, ap1)

print "*** Starting network"

net.build()

c0.start()

ap1.start( [c0] )

print "*** Running CLI"

CLI( net )

print "*** Stopping network"

net.stop()

if __name__ == '__main__':

setLogLevel( 'info' )

topology()

[pyretic controller: test1.py. This file is placed under ~/pyretic/pyretic/modules folder.] Note: The following code will allow h1 to ping sta1, but not sta2.

from pyretic.lib.corelib import*

from pyretic.lib.std import *

ip1 = IPAddr('192.168.0.1')

ip2 = IPAddr('192.168.0.2')

ip3 = IPAddr('192.168.0.3')

route1 = match(switch=1) >> fwd(2)

route2 = match(switch=1) >> drop

route3 = match(switch=1) >> fwd(1)

myroute = ((match(dstip=ip1) >> route1) +

(match(dstip=ip2) >> route2) +

(match(dstip=ip3) >> route3))

def main():