[ovs-discuss] Indirect Control Channel

[Ben Pfaff]

On Thu, Feb 09, 2017 at 09:49:11AM -0700, Scott Lowe wrote:
> Please see my reply below.
> 
> 
> On 02/09/2017 08:36 AM, Jannis Ohms wrote:
> > I would like to connect my Switches indirect with the controller. To
> > achive this i would like to deploy 2 bridges on every switch one to
> > provide classical L2 forwarding for the controlchannel and one to use
> > with Openflow. Something like this
> > (http://archive.openflow.org/wp/deploy-production-planning/)
> > 
> > did someone build such a thing using OVS ?
> 
> 
> Unless I misunderstand your intent, this should be easily accomplished
> using current builds of OVS. Models similar to what you describe are
> already in use in some OpenStack environments, if I'm not mistaken.
> 
> - Create two bridges---one to use with the controller, and one to use
> for L2 forwarding over physical interfaces. For example, you might call
> them "br-int" (integration bridge) and "br-phy" (for physical interfaces).
> 
> - Connect "br-int" to the controller.
> 
> - Configure "br-phy" with appropriate physical interfaces, bonds, etc.
> 
> This should accomplish what you're seeking.

If I'm reading that webpage correctly, Jannis might mean that he wants
to have data and management networks on the same physical interfaces but
different VLANs.  That is a little more work.