[Openstack-operators] [openstack-ansible]

Wade Holler wade.holler at gmail.com
Wed Feb 17 20:00:50 UTC 2016

Hi Major,

Well it almost does. Except on my neutron agents container I ended up with
a eth12....

And I do have a flat network plumbed in to the infrastructure host ( on
which the neutron agent container resides ) via br-vlan.


Thank you for the engagement and previous prompt rely! I really appreciate
the help.

On Wed, Feb 17, 2016 at 2:33 PM Major Hayden <major at mhtx.net> wrote:

> On 02/17/2016 01:23 PM, Wade Holler wrote:
> > Going to ask this question without much data or background as I hope
> someone very familiar with openstack-ansible will be able to easily answer
> it.
> >
> > I tried to follow the install guide and network config pretty closely.
> >
> > All is well except my physical compute nodes don't have an eth12.
> >
> > What is the best was to change the openstack-ansible config
> (/etc/openstack_deploy/openstack_user_config.yml
> /etc/openstack_deploy/user_variables.yml ) such that this is tolerated.
> i.e., flat:eth12 not placed in the physical_interface_mappings line of
> /etc/neutron/plugins/ml2/linuxbridge_agent.ini ?
> Hello Wade,
> I ran into this problem as well and it's a bit confusing.  The eth12
> interface is used in the AIO since we need three networks (VLAN, flat, and
> VXLAN), but we have only two bridges (br-vlan and br-vxlan).  You can use
> eth12 in your deployments, but you'll need to create a veth for that.
> There's no requirement to use all three of these network types in your
> production environment.
> Which networks do you plan to use?  If you plan to use VLAN and VXLAN
> without flat networking, you can omit the provider network section for the
> flat network.  Here's an excerpt from what I'm using in production:
>   https://gist.github.com/major/b8771c99e1274e89bc98
> Does that help?
> --
> Major Hayden
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> OpenStack-operators at lists.openstack.org
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