netdev - Re: IPv6: autoconfiguration and suspend/resume or link down/up

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Message-ID: <du0ob2m82ispxgxrn81vftkp.1311612932894@email.android.com>
Date:	Mon, 25 Jul 2011 09:55:32 -0700
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>,
	Stephen Hemminger <shemminger@...tta.com>
Cc:	Nicolas de Pesloüan 
	<nicolas.2p.debian@...il.com>, David Miller <davem@...emloft.net>,
	jbohac@...e.cz, netdev@...r.kernel.org
Subject: Re: IPv6: autoconfiguration and suspend/resume or link down/up

who manages link wit sriov? I assume it is up to the guest. And it is not really safe to assume that network is the same after migration. It makes sense to do DAD again.

Herbert Xu <herbert@...dor.apana.org.au> wrote:

>On Sun, Jul 24, 2011 at 08:26:20PM -0700, Stephen Hemminger wrote:
>>
>> Since virtual machines should be using virtio network devices, shouldn't
>> the suspend/resume in that device just work. It doesn't need to drop the link.
>
>The VM may also be using SRIOV.
>
>Cheers,
>-- 
>Email: Herbert Xu <herbert@...dor.apana.org.au>
>Home Page: http://gondor.apana.org.au/~herbert/
>PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt