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[mininet-discuss] Why can't I see network namespaces created be mininet with ip netns list ?

Corentin Henry corentinhenry at gmail.com
Sat Jul 26 22:41:50 PDT 2014


Hi Andrew,
That's funny, I was just starting to read this precise pdf.
Thanks for the answer !


On Sat, Jul 26, 2014 at 10:07 PM, Andrew Ferguson <adf at cs.brown.edu> wrote:

>
> On 27/07/2014, at 1:00 PM, Corentin Henry <corentinhenry at gmail.com> wrote:
>
> Hi,
>
> In mininet, hosts are bash processes running in a separate network
> namespace. But 'ip netns list' returns nothing. I thought this command
> listed the network namespaces. Could someone enlighten me  on that point
> please ?
>
>
> that command does not list nameless network namespaces, which -- last I
> checked -- mininet was using. see:
>
> - http://www.haifux.org/lectures/299/netLec7.pdf
> - http://man7.org/linux/man-pages/man2/unshare.2.html (CLONE_NEWNET)
>
>
> Andrew
>
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