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I think we just need someone to volunteer to do the work to expose it as
metadata to the VM in Nova.

On May 22, 2017 1:27 PM, "Robert Li (baoli)" <baoli at cisco.com> wrote:

> Hi Levi,
>
>
>
> Thanks for the info. I noticed that support in the nova code, but was
> wondering why something similar is not available for vlan trunking.
>
>
>
> --Robert
>
>
>
>
>
> On 5/22/17, 3:34 PM, "Moshe Levi" <moshele at mellanox.com> wrote:
>
>
>
> Hi Robert,
>
> The closes thing that I know about is tagging of SR-IOV physical
> function’s VLAN tag to guests see [1]
>
> Maybe you can leverage the same mechanism to config vlan trunking in guest.
>
>
>
> [1] - https://specs.openstack.org/openstack/nova-specs/specs/
> ocata/implemented/sriov-pf-passthrough-neutron-port-vlan.html
>
>
>
>
>
> *From:* Robert Li (baoli) [mailto:baoli at cisco.com]
> *Sent:* Monday, May 22, 2017 8:49 PM
> *To:* openstack-dev at lists.openstack.org
> *Subject:* [openstack-dev] [nova][vlan trunking] Guest networking
> configuration for vlan trunk
>
>
>
> Hi,
>
>
>
> I’m trying to find out if there is support in nova (in terms of metadata
> and cfgdrive) to configure vlan trunking in the guest. In the ‘CLI usage
> example’ provided in this wiki https://wiki.openstack.org/
> wiki/Neutron/TrunkPort, it indicates:
>
>
>
> # The typical cloud image will auto-configure the first NIC (eg. eth0)
> only and not the vlan interfaces (eg. eth0.VLAN-ID).
>
> ssh VM0-ADDRESS sudo ip link add link eth0 name eth0.101 type vlan id 101
>
>
>
> I’d like to understand why the support of configuring vlan interfaces in
> the guest is not added. And should it be added?
>
>
>
> Thanks,
>
> Robert
>
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