[Openstack-operators] Reaching VXLAN tenant networks from outside (without floating IPs)

Gustavo Randich gustavo.randich at gmail.com
Tue Jul 19 00:49:10 UTC 2016


Right Blair, we've considered provider vlans, but we wanted to leverage the
low cost of private IPs (from a hardware switch perspective), taking into
account that we'll have thousands of VMs not needing external access.

On Sunday, 17 July 2016, Blair Bethwaite <blair.bethwaite at gmail.com> wrote:

> On 30 June 2016 at 05:17, Gustavo Randich <gustavo.randich at gmail.com
> <javascript:;>> wrote:
> >
> > - other?
>
> FWIW, the other approach that might be suitable (depending on your
> project/tenant isolation requirements) is simply using a flat provider
> network (or networks, i.e., VLAN per project) within your existing
> managed private address space, then you have no requirement for a
> Neutron router. This model seems a lot easier to visualise when
> starting out with Neutron and can side-step a lot of integration
> problems.
>
> --
> Cheers,
> ~Blairo
>
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