If this is true, I think the issue is not on Neutron side but the Nova
side.
Neutron just receives and handles individual port requests. It has no
notion of the order in which they are attached to the VM.

Can you add the Nova tag to get some visibility to the Nova devs?


On Fri, Aug 8, 2014 at 11:32 AM, CARVER, PAUL <pc2...@att.com> wrote:

>  I’m hearing “friend of a friend” that people have looked at the code and
> determined that the order of networks on a VM is not guaranteed. Can anyone
> confirm whether this is true? If it is true, is there any reason why this
> is not considered a bug? I’ve never seen it happen myself.
>
>
>
> To elaborate, I’m being told that if you create some VMs with several
> vNICs on each and you want them to be, for example:
>
>
>
> 1)      Management Network
>
> 2)      Production Network
>
> 3)      Storage Network
>
>
>
> You can’t count on all the VMs having eth0 connected to the management
> network, eth1 on the production network, eth2 on the storage network.
>
>
>
> I’m being told that they will come up like that most of the time, but
> sometimes you will see, for example, a VM might wind up with eth0 connected
> to the production network, eth1 to the storage network, and eth2 connected
> to the storage network (or some other permutation.)
>
>
>
>
>
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev@lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>
>


-- 
Kevin Benton
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