[openstack-dev] [Nova][Neutron] Status of the nova-network to Neutron migration work
openstack at wormley.com
Mon Mar 30 16:50:27 UTC 2015
On Mon, Mar 30, 2015 at 4:49 AM, Jesse Pretorius <jesse.pretorius at gmail.com>
> On 28 March 2015 at 00:41, Steve Wormley <openstack at wormley.com> wrote:
>> 2. Floating IPs managed at each compute node(multi-host) and via the
>> standard nova API calls.
> 2 meant we can't use pure provider VLAN networks so we had to wait for DVR
>> VLAN support to work.
> I'm always confused when I see operators mention that provider VLANs can't
> be used in a Neutron configuration. While at my former employer we had that
> setup with Grizzly, and also note that any instance attached to a VLAN
> tagged tenant network did not go via the L3 agent... the traffic was tagged
> and sent directly from the compute node onto the VLAN.
> All we had to do to make this work was to allow VLAN tagged networks and
> the cloud admin had to setup the provider network with the appropriate VLAN
As you say, provider networks and VLANs work fine. Provider networks, VLANs
and Openstack managed Floating IP addresses for the same instances do not.
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