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[mininet-discuss] Configure the topology in run time

Bob Lantz rlantz at
Thu Mar 8 00:15:39 PST 2012

Right now you can do so using moveIntf() and sending add-if and del-if commands to the switch from the Python API. There currently isn't a CLI command, but you can use the py command to call python.

Reconnecting hosts is a useful feature that other people (e.g. Kyriakos, Big Switch, KK, me) want as well, so a friendlier way of doing this is on the list of things I want to integrate in.


On Mar 7, 2012, at 9:21 AM, Hyogi Jung wrote:

> Hi all
> I research openflow using mininet.
> In mininet, custom topologies can be easily defined using a simple Python API.
> This example connects two switches directly, with a single host off each switch.
> h1 ---------- s1  ---------- s2  ---------- h2
> So user can test to the command-line. For example 
> sudo mn --custom ~/mininet/custom/ --topo mytopo
> I want to move host position in run time using mininet CLI.
> Not pre-definded topology. I just want to configure host position after starting mininet.
> For example,
> s1 ---------- s2  ---------- h2
>                  l________h1
> Can I configure the topology in run time? Is there a mininet command?
> Thanks a lot!
> Regards
> Hyogi
> -- 
> Hyogi Jung, MS Student
> Multimedia & Mobile Communications Lab
> School of Computer Science and Engineering
> Seoul National University, Korea
> Tel: +82-2-880-9147
> _______________________________________________
> mininet-discuss mailing list
> mininet-discuss at

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