[openstack-dev] [nova] Semantics of plug_vifs in the neutron environment

Kevin Benton blak111 at gmail.com
Fri Jul 18 19:19:09 UTC 2014


With OVS, plug_vifs is responsible for attaching the VM interface to the
integration bridge. The neutron agent is then responsible for setting up
the flows to direct traffic to the appropriate network.


On Fri, Jul 18, 2014 at 9:05 AM, Peng Gu <gp_stack at 163.com> wrote:

> Hi, all
>
> The comment in of plug_vifs in ComputeDriver indicates that this method is
> responsible for plugging the vif into network,
> but when working with neutron, this work has alreay been done by agents in
> the compute node.
>
> Actually, I noticed that plug_vifs in LibvirtDriver did nothing in the
> neutron environment with linux bridge plugin, because
> the work of creating bridges and adding tap interface to bridges was done
> by linux bridge agent.
>
> So it confused me a lot if plug_vifs has lost its semantic or am I missing
> something, or plug_vifs has its meaning in other
> scenarios ?
>
> Thanks!
>
> Peng Gu
>
>
>
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>
>


-- 
Kevin Benton
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