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Hi Roberto:

The documentation you are referring to must be updated. The LP#1460177 RFE
implemented this feature. Actually there is a test class that is testing
this functionality in the CI [1][2].

Regards.

[1]https://review.opendev.org/c/openstack/neutron-tempest-plugin/+/750355/
[2]
https://github.com/openstack/neutron-tempest-plugin/blob/f10618eac3a12d35a35044443b63d144b71e0c6b/neutron_tempest_plugin/scenario/test_metadata.py#L36-L44

On Fri, Nov 18, 2022 at 2:45 PM Roberto Bartzen Acosta <
roberto.acosta at luizalabs.com> wrote:

> Hey folks,
>
> Can you confirm if the metadata should work in an ipv6-only environment?
>
> As I understand from this discussion on LP:1460177
> <https://bugs.launchpad.net/neutron/+bug/1460177> and the fork of the
> discussion in many opendev reviews #315604
> <https://review.opendev.org/c/openstack/neutron-specs/+/315604>, #738205
> <https://review.opendev.org/c/openstack/neutron-lib/+/738205> #745705
> <https://review.opendev.org/c/openstack/neutron/+/745705>, ..., it seems
> like it should work.
>
> However, this comment in the openstack doc [1] has me questioning if
> it really works.
> *"There are no provisions for an IPv6-based metadata service similar to
> what is provided for IPv4. In the case of dual-stacked guests though it is
> always possible to use the IPv4 metadata service instead. IPv6-only guests
> will have to use another method for metadata injection such as using a
> configuration drive, which is described in the Nova documentation
> on config-drive
> <https://docs.openstack.org/nova/latest/user/config-drive.html>."*
>
> Is anyone using metadata in an ipv6-only Openstack setup?
>
> Regards,
> Roberto
>
> [1]
> https://docs.openstack.org/neutron/latest/admin/config-ipv6.html#configuring-interfaces-of-the-guest
>
>
>
>
>
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