[Openstack] Issues Understanding Neutron Networking Layout

d.lake at surrey.ac.uk d.lake at surrey.ac.uk
Thu Dec 21 17:11:21 UTC 2017

Hi Dean

I guessed this was the answer but I was afraid to admit it :-)

Can you point me to any documentation  to allow me to build to this kind of layout?

I’ve struggled to find anything with blue-print/step-by-step installation which is why i fell back to DevStack...


Sent from my iPhone
From: Dean Troyer <dtroyer at gmail.com>
Sent: Thursday, December 21, 2017 4:42:40 PM
To: Lake D Mr (PG/R - Elec Electronic Eng)
Cc: trinath.somanchi at nxp.com; openstack at lists.openstack.org; netvirt-dev at lists.opendaylight.org
Subject: Re: [Openstack] Issues Understanding Neutron Networking Layout

On Thu, Dec 21, 2017 at 4:23 AM,  <d.lake at surrey.ac.uk> wrote:
> Controller in one location with a single IP connection (1 GE)
> Compute node in a remote location with 4 10GE connections for public
> networking and 1GE IP connection to the Controller
> The VMs on the Compute node will each have 2 10GE connections as they will
> be forwarding data.
> I have successfully deployed a Pike system with ODL with the previously
> attached local.conf.

I'll be blunt here, DevStack is absolutely the wrong tool for this
job.  The fact that you got this far with it is admirable but it was
never intended to support that sort of a custom installation, hence
the difficulties you are experiencing.  There are a number of
assumption in DevStack that are contrary to your setup, including
around the network configuration and how multi-node DevStack is built.

Unless you really need the services built from source you will have a
much better time down the road installing from packages of one form or
another, if not just using something like Packstack.  Sorting out the
network configuration should be easier as you will not need to
translate between DevStack's variables and the documented Neutron


Dean Troyer
dtroyer at gmail.com
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