On Mon, Jun 28, 2021 at 7:20 AM Ales Musil <[email protected]> wrote:
> > > On Sun, Jun 27, 2021 at 12:48 PM David White via Users <[email protected]> > wrote: > >> Hello, >> > > Hi, > > >> Reading >> https://www.ovirt.org/documentation/administration_guide/index.html#IPv6-networking-support-labels, >> I see this tidbit: >> >> - Dual-stack addressing, IPv4 *and* IPv6, is not supported >> - Switching clusters from IPv4 to IPv6 is not supported. >> >> If I'm understanding this correctly... does that mean I cannot run some >> VMs with IPv4, and other VMs with IPv6, in the same cluster? >> > > This applies mostly to host networking, there are cases when host > networking dual stack works fine, the issue is that it has many quirks. > oVirt cannot ensure that those quirks won't happen which might break your > connection. > In VM networks oVirt cares only for L2, with OVN it can also care for L3. > So configuration on your VM networks is up to you. > I can imagine that you could safely mix IPv4 and IPv6 for VM networks > without breaking any hosts, but I did not try that personally. > > >> If so, that's incredibly disappointing and frustrating. >> >> Is Dual-stack addressing a possible feature request? >> > > You can fill RFE but I am afraid that it won't get far due to lack of > manpower. > As mentioned above there are many things in dual stack which could be setup incorrectly and thus breaking the whole oVirt. And it's almost impossible to mention all possible corner cases into the documentation. So in general dual stack should work, but due to above it just cannot be marked as supported. But if you encounter some issue when running dual stack feel free to file a bug, so we can investigate. > > >> IPv4 addresses are expensive... and I have a couple of customers who only >> needs IPv6, so would really prefer to avoid having to pay for IPv4 >> addresses for them. >> >> Sent with ProtonMail <https://protonmail.com/> Secure Email. >> >> _______________________________________________ >> Users mailing list -- [email protected] >> To unsubscribe send an email to [email protected] >> Privacy Statement: https://www.ovirt.org/privacy-policy.html >> oVirt Code of Conduct: >> https://www.ovirt.org/community/about/community-guidelines/ >> List Archives: >> https://lists.ovirt.org/archives/list/[email protected]/message/X2UCDQGR2ZBVHOTTJW6TSGJZ5XFDN5TZ/ >> > > Regards, > Ales > > > -- > > Ales Musil > > Software Engineer - RHV Network > > Red Hat EMEA <https://www.redhat.com> > > [email protected] IM: amusil > <https://red.ht/sig> > _______________________________________________ > Users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/[email protected]/message/BJLNRQSB23XKGOKZQJP75XIQPPWILFBJ/ > -- Martin Perina Manager, Software Engineering Red Hat Czech s.r.o.
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