[neutron][ovn] ipv6 in virtual networks

Piotr Misiak piotrmisiak1984 at gmail.com
Thu Feb 11 15:39:34 UTC 2021

On 11.02.2021 14:12, Christian Rohmann wrote:

> Hey there,
> On 11/02/2021 12:20, Piotr Misiak wrote:
>>> So in order to use a globally-reachable IPv6 address you should use a
>>> port from a provider network in the instance.
>> Thanks Brian for the prompt response.
>> Does this mean that the only functional IPv6 scenario in Neutron/OVN is
>> where VMs are directly connected to an IPv6 GUA provider network?
> I ran into a similar question a while back:
> http://lists.openstack.org/pipermail/openstack-discuss/2020-June/015682.html
> But there I was wondering / discussing if requesting a prefix larger
> than /64 was possible to allow using that routed prefix to host i.e. a
> VPN solution.
> Prefix delegation of GUA prefixes implemented in Neutron apparently:
> https://blueprints.launchpad.net/neutron/+spec/ipv6-prefix-delegation
> And to me prefix delegation of a global unicast address prefix (GUA)
> seems like the cleanest solution.
Thanks Christian for the comments. Unfortunately in Neutron/OVN
configuration the IPv6-PD is not supported (yet?).

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