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[mininet-discuss] Hierarchical switch network with remote floodlight controller
Bob Lantz
rlantz at cs.stanford.edu
Wed Dec 4 14:59:12 PST 2013
The 'a' in your lambda is actually the controller name, which you're ignoring and replacing with 'c0'.
You can also use functools.partial.
On Dec 4, 2013, at 2:10 PM, George Clapp <george at clapp.org> wrote:
> Brian,
>
> Thanks much. I dropped the /16 and made a couple of other changes. This code seems to work:
> from mininet.net import Mininet
> from mininet.node import RemoteController
> from mininet.cli import CLI
> from mininet.log import setLogLevel, info
>
> net = Mininet(controller=lambda a: RemoteController('c0', ip='10.0.15.254', port=6633),
> autoSetMacs=True, ipBase='10.0.15.0/8')
> net.addController('c0')
> George
>
> -------- Original Message --------
> Subject: Re: [mininet-discuss] Hierarchical switch network with remote floodlight controller
> Date: Wed, 4 Dec 2013 14:03:21 -0800
> From: Brian O'Connor <bocon at cs.stanford.edu>
> To: George Clapp <george at clapp.org>
> CC: mininet-discuss at lists.stanford.edu> < <mininet-discuss at lists.stanford.edu>
>
> Hi George,
>
> Try dropping the /16
>
> - Brian
>
>
> On Wed, Dec 4, 2013 at 12:08 PM, George Clapp <george at clapp.org> wrote:
> I'm trying to build a hierarchical network with a remote floodlight controller that is running in a separate VM. I modified the emptynet.py example to make a python script to create the network and am running the script in a terminal window. I get this message while the script is running:
>
> Unable to contact the remote controller at 10.0.15.254/16:6633
>
> But I'm able to ping the the remote controller VM from all of the mininet switches. Any suggestions why the script can't contact the remote controller?
>
> Many thanks,
> George
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