Open Stack

On Aug 14, 2012, at 1:24 PM, Kurt Scholtens <burnbrighter at hotmail.com> wrote:

> Any takers?
> 
> I am looking for guidance on my current deployment.   Let me start by saying, it works.  That being said, I want to ensure what I am doing makes sense because I'm slightly confused by the networking.  Specifically, the bridging doesn't make sense at all.  If you look at my bridging below, it appears both my public network (192.168.12.x) and my host to host management network (10.0.5.x) are getting bridged on br100.  More precisely it appears my FIXED_NETWORK (11.0.4.x) as well as my public network aka FLOATING_RANGE are getting bridged to  br100.  I do access my openstack hosts on 192.168.12.x as well as my openstack instances on this network.  I just am not understanding the networking for this set up, even though it works.  

If you want the floating ips on a different interface (say eth1) you can use:

PUBLIC_INTERFACE=eth1

devstack defaults PUBLIC_INTERFACE to br100 because that is the only way to make it work if you have a single interface and you don't set up vlans. with multiple interfaces and vlans, generally you put public_interface and flat_interface on different devices.

Vish
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