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[mininet-discuss] Remote Controller
rlantz at cs.stanford.edu
Fri Jan 18 13:40:50 PST 2013
On Jan 18, 2013, at 8:04 AM, "Castelli, Brian" <Brian.Castelli at spirent.com> wrote:
> Writing my first mininet python script to enable a remote controller. If I invoke mininet from the CLI it works fine:
>> sudo mn --controller=remote,ip=220.127.116.11
> But from this script, I get the error, "Unable to contact the remote controller at 127.0.0.1:6633":
> from mininet.net import Mininet
> from mininet.node import Controller, RemoteController, OVSKernelSwitch
> from mininet.topo import Topo, SingleSwitchTopo
> from mininet.cli import CLI
> from mininet.log import setLogLevel
> def createNetwork():
> "Create a network."
> myTopo = SingleSwitchTopo(2)
> net = Mininet( topo=myTopo, controller=lambda a: RemoteController(a, defaultIP='18.104.22.168'))
> print "*** Starting network"
> CLI( net )
> print "*** Stopping network"
> if __name__ == '__main__':
> setLogLevel( 'info' ) # for CLI output
> I have searched the Internet for example. I found several and tried every variation of this script that I found with the same result.
> If I replace the Mininet line with
> net = Mininet( topo=myTopo, controller=Controller)
> It works fine--but with a local controller...
> Am I missing something simple?
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