First clone the repository or download the files directly to your computer.

put the l3_mySwitch.py into your pox/pox/forwarding folder and run the following command I recommend you to run the l3_mySwitch in PyCharm environment $cd
$cd pox
$python ./pox.py forwarding.l3_mySwitch

in another terminal, (not pycharm)

$sudo mn -–switch ovsk –-topo tree,depth=2,fanout=4 –-controller=remote,ip=127.0.0.1,port=6633
$xterm h2, h3

For DDoS Attack (Syn Flooding) (in h2 xterm) $hping3 10.0.0.4 -c 10000 –-flood --rand-source -w 64 -p 0 -S -d 120

For Normal traffic (in h3 xterm) $hping3 10.0.0.1