From: Gleb Natapov <gleb@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Nils Cant <nils.cant@kangaroot.net>, kvm@vger.kernel.org
Subject: Re: KVM doesn't send an arp announce after live migrating a domain
Date: Wed, 25 Aug 2010 14:07:30 +0300 [thread overview]
Message-ID: <20100825110730.GM10499@redhat.com> (raw)
In-Reply-To: <20100825105902.GK10499@redhat.com>
On Wed, Aug 25, 2010 at 01:59:02PM +0300, Gleb Natapov wrote:
> > Kvm is the most natural place to do that, I think, and it's
> > easy to implement there too (it has the tun device which can
> > inject packets on behalf of the guest) Yes, the configuration
> > will be duplicated somehow, but that's not a big problem, and
> > it will make things much more reliable.
> >
> KVM is certainly not the most natural place to do that. Even gratuitous
> ARP we have today will not work if guest changes mac address. KVM
> couldn't care less about host network protocols. Management may implement
Correction: "couldn't care less about _guest_ network protocols"
> guest daemon that will take appropriate action to restore networking
> after migration on demand (send gratuitous pigeon if IP over pigeons are
> used by guest).
>
> --
> Gleb.
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
Gleb.
next prev parent reply other threads:[~2010-08-25 11:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-25 7:52 KVM doesn't send an arp announce after live migrating a domain Nils Cant
2010-08-25 8:37 ` Michael Tokarev
2010-08-25 8:43 ` Gleb Natapov
2010-08-25 10:51 ` Michael Tokarev
2010-08-25 10:59 ` Gleb Natapov
2010-08-25 11:07 ` Gleb Natapov [this message]
2010-08-25 11:36 ` Michael Tokarev
2010-08-25 12:15 ` Gleb Natapov
2010-08-25 8:38 ` Gleb Natapov
2010-08-25 9:21 ` Nils Cant
2010-08-25 10:40 ` Avi Kivity
2010-08-25 10:52 ` Daniel P. Berrange
2010-08-25 11:05 ` Avi Kivity
2010-08-25 11:15 ` Daniel P. Berrange
2010-08-25 11:30 ` Avi Kivity
2010-08-25 11:36 ` Daniel P. Berrange
2010-08-25 11:38 ` Avi Kivity
2010-08-25 11:42 ` Daniel P. Berrange
2010-08-25 11:59 ` Avi Kivity
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