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[mininet-discuss] Execute multiple command - strange behaviour

Silvia Fichera fichera.sil at
Tue Dec 24 05:30:06 PST 2013

Hi all,

I have some problem with the synchronous execution of some command.
I wrote a script in which I create my network, than I start mininet
execute my command

"   host[100].cmd('xterm -e iperf -s')
    host[68].cmd('python -d -c 120 -p 5001 &')
    host[19].cmd('python -d -c 120 -p 5001 &')
    host[69].cmd('python -d -c 120 -p 5001 &')
    host[0].cmd('xterm -e iperf -c -t 3 -i 1 -f m -m &')
    host[20].cmd('python -d -c 120 -p 5001 &')
    host[70].cmd('python -d -c 120 -p 5001 &')
    host[50].cmd('xterm -e iperf -c -t 3 -i 1 -f m -m &')
    host[21].cmd('python -d -c 120 -p 5001 &')
    host[71].cmd('python -d -c 120 -p 5001 &')"


to perfom ddos SYNFLOOD attack and at the same time open a trusted
connection with iperf, after that I start CLI.
What happen is with the iperf connection because it tells me "no route to

I also tryed to start CLI before my command. When I give the exit command
on CLI, iperf connection starts (I can see the output in the termina) but,
obviously, when the switches shut down it fail (and I know it's normal...)

How can I fix it?

Silvia Fichera
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