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Date:      Tue, 1 Sep 2020 18:00:11 -0500
From:      Dustin Marquess <dmarquess@gmail.com>
To:        Jason Tubnor <jason@tubnor.net>
Cc:        Hiroshi Nishida <nishida@asusa.net>,  "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org>
Subject:   Re: IPv6 Problem with Bhyve
Message-ID:  <CAJpsHY4PnWJEUVHsFDZynCev=_kvpaC2QfwEurQ3KivDzuPK2Q@mail.gmail.com>
In-Reply-To: <CACLnyCKKZMiV5070JAHThxvrpqD0vRdysVnihNzkt3F=NGHqtA@mail.gmail.com>
References:  <53835548-cd6e-6859-c19d-8dd96d3993f3@asusa.net> <0b2304fd-4799-f56e-2271-169a5348d654@asusa.net> <CACLnyCKKZMiV5070JAHThxvrpqD0vRdysVnihNzkt3F=NGHqtA@mail.gmail.com>

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On Tue, Sep 1, 2020 at 5:11 PM Jason Tubnor <jason@tubnor.net> wrote:
>
> On Wed, 2 Sep 2020 at 00:20, Hiroshi Nishida <nishida@asusa.net> wrote:
> I hit similar bugs in various ways around IPv6 guests in 12.0 with
> lingering problems in 12.1.  All issues appeared to be fixed in 12-STABLE
> now, so 12.2 should be good to go.  Can you test 12-STABLE snapshot if
> possible?  The issue wasn't necessarily around bhyve, but more iflib.
>
> Interestingly, I have exactly the same problem also with CentOS 8 +
> > KVM/QEMU.
> >
> >
> ^^^ This is interesting, maybe it isn't bhyve or a FreeBSD issue at play
> here if you are also getting it under KVM.  We have a high count of Windows
> 2019 Server bhyve guests in our environment, but they are running on 11.4
> and no IPv6 so I'm not going to be much use in being able to reproduce
> this.  I'll work on getting IPv6 working on my home connection and drag a
> W2k19 image home, but this will take a while as I have other pressing work
> commitments.

I have Server 2019 VMs under bhyve (FreeBSD-CURRENT) using both static
IPv6 and SLAAC IPv6, and I have no problems at all connecting to them
using RDP over IPv6.

Are you absolutely sure the Windows firewall is set to wide open?

-Dustin



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