Self service networks + IPV6 with provider range

Slawek Kaplonski skaplons at
Tue Feb 16 10:17:50 UTC 2021


Dnia wtorek, 16 lutego 2021 09:39:26 CET Maxence Sartiaux pisze:
> Hello,
> I am installing an openstack infrastructure but i have an issue with the
> selfservice networks and the ipv6
> On my provider network i have the fddd:3138:5d15:18::/64 subnet which is
> my local server range.
> I've managed to make the ipv6 works in a SLAAC-SLAAC configuration with
> a second /64 subnet (fddd:3138:5d15:180::/64) and a static route in my
> switches (by defining the provider subnet + gateway and selfservice subnet)
> But my question is : Is it possible to use the "none - slaac" mode (or
> other) in my selfservice network with the "provider range"
> fddd:3138:5d15:18::/64 and let my external router advertise the RA for
> the openstack instances ? Or is it only possible on a "provider" network
> without a neutron router ?

According to 
such configuration should works fine.

> Just like that i don't have to create a second subnet for each vlan we have.
> I hope it's understandable.
> Thanks.

Slawek Kaplonski
Principal Software Engineer
Red Hat
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