From: Avi Kivity <avi@redhat.com>
To: Nils Cant <nils.cant@kangaroot.net>
Cc: Gleb Natapov <gleb@redhat.com>,
kvm@vger.kernel.org, libvir-list@redhat.com
Subject: Re: KVM doesn't send an arp announce after live migrating a domain
Date: Wed, 25 Aug 2010 13:40:19 +0300 [thread overview]
Message-ID: <4C74F313.6040604@redhat.com> (raw)
In-Reply-To: <4C74E091.60100@kangaroot.net>
On 08/25/2010 12:21 PM, Nils Cant wrote:
> On 08/25/2010 10:38 AM, Gleb Natapov wrote:
>> qemu sends gratuitous ARP after migration. Check forward delay
>> setting on your
>> bridge interface. It should be set to zero.
>>
>
> Aha! That fixed it. Turns out that debian bridge-utils sets the
> default to 15 for bridges.
> Manually setting it to 0 with 'brctl setfd br0 0' or setting the
> 'bridge_fd' parameter to 0 in /etc/network/interfaces solves the issue.
>
I think libvirt is doing something about this, copying list for further
info.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2010-08-25 10:40 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
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 [this message]
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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