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I am using the liberty branch. Unfortunately this did not help, I get
the same error.

I also don't understand where the neutron service should run. This is
the output on my compute node:

root at os-compute-1:~# ps aux | grep neutron
root     18782  0.0  0.0  11748  2232 pts/0    S+   17:56   0:00 grep
--color=auto neutron
root at os-compute-1:~# ip netns list
root at os-compute-1:~#

Is there a step-by step guide that shows how to set up a simple flat
networking with OSA? I guess this whole thing is optimized around vlan
provider networking which I don't have on my playground environment.



On Mon, Dec 14, 2015 at 4:46 PM, Kevin Carter
<kevin.carter at rackspace.com> wrote:
> The port binding issues are usually related to a neutron physical interface mapping issue however based on your previous config I don't think that was the problem. If you're deploying Liberty/Master(Mitaka) there was was a fix that went in that resolved an issue within neutron and the use of L2/multicast groups [0] and if your on the stable tag the fix has not been released yet and will be there for the 12.0.3 tag, coming soon. To resolve the issue the fix is to simply to add the following to your `user_variables.yml` file:
>
> == If you don't want to use l2 population add the following ==
> neutron_l2_population: "False"
> neutron_vxlan_group: "239.1.1.1"
>
> == If you want to use l2 population add the following ==
> neutron_l2_population: "True"
>
> As for the neutron services on your compute nodes, they should be running within the host namespace. In liberty/Master the python bits will be within a vent using an upstart init script to control the service. If your not seeing the neutron service running its likely due to this bug [2] which is resolve by dropping the previously mentioned user variable options.
>
> I hope this helps and let me know how it goes.
>
> [0] https://review.openstack.org/#/c/255624
> [1] https://github.com/openstack/openstack-ansible/commits/liberty
> [2] https://bugs.launchpad.net/neutron/+bug/1470584
>
> --
>
> Kevin Carter
> IRC: cloudnull
>
>
> ________________________________________
> From: Mark Korondi <korondi.mark at gmail.com>
> Sent: Sunday, December 13, 2015 9:10 AM
> To: OpenStack Development Mailing List (not for usage questions)
> Subject: Re: [openstack-dev] [ansible] One or more undefined variables: 'dict object' has no attribute 'bridge'
>
> Thanks cloudnull,
>
> This solved the installation issue. I commented out all non-flat
> related networks before, to investigate my main problem, which is
>
>> PortBindingFailed: Binding failed for port fe67a2d5-6d6a-4440-80d0-acbe2ff5c27f, please check neutron logs for more information.
>
> I still have this problem; I created the flat external network with no
> errors, still I get this when trying to launch an instance. What's
> really interesting to me, is that no neutron microservices are
> deployed and running on the compute node.
>
> Mark (kmARC)
>
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