Open Stack

On Mon, Mar 30, 2015 at 4:49 AM, Jesse Pretorius <jesse.pretorius at gmail.com>
wrote:

> 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
> tag.
>
As you say, provider networks and VLANs work fine. Provider networks, VLANs
and Openstack managed Floating IP addresses for the same instances do not.

-Steve wormley
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