[Rdo-list] Openstack deployed in Openstack and 'external' access

[Marius Cornea]

Hi Charles,

If I understand it right - since you are creating the external network
with a vlan tag then the OV controller(nova instance in the OBM
openstack) needs to send tagged frames which afaik doesn't work since
ovs strips the tag. I see there's a blueprint[1] for vlan aware vms
but it's not implemented.

[1] http://specs.openstack.org/openstack/neutron-specs/specs/liberty/vlan-aware-vms.html

On Thu, Feb 18, 2016 at 4:41 PM, Charles Short <cems at ebi.ac.uk> wrote:
> Hi,
>
> I successfully deployed RDO Manager Liberty HA with VLANS  on some HP blades
> + in-chassis switches with trunked VLANs ports (call this OBM  (Openstack
> Bare Metal))
> I wanted to deploy a test Openstack environment within this (call this OV
> (Openstack Virtual))
> So I created two instances in OBM, and used packstack to roll out one
> controller and one compute node configured with vxlan tenant networks.
> This all worked and I can fire up an instance in OV, and it gets an ip.
> I then created an external network in OV with a VLAN id that matches an OBM
> network. The plan was to access an instance in OV from an instance in OBM.
> Problem is that the OV external network gateway is down, and after assigning
> a floating ip to the OV instance I have no access to or from it. I can only
> get to it from the network namespace on the OV controller (ip netns
> exec....)
> I have previously got this Openstack nested visualization working in VMware
> (vCloud) by enabling promiscuous mode on dvs portgoup, and also enabling
> promisc on the virtual interfaces of the virtual Openstack controllers.
>
> I tried enabling promiscuous mode on the OV controllers interfaces (OBM
> instances), but this seemed to make no difference.
>
> Any tips? Is this possible?
>
> Thanks
>
> Charles
>
> --
> Charles Short
> Cloud Engineer
> Virtualization and Cloud Team
> European Bioinformatics Institute (EMBL-EBI)
> Tel: +44 (0)1223 494205
>
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