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From: Amos Kong <akong@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: aliguori@us.ibm.com, qemu-devel@nongnu.org, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 2/2] extend the macaddr space to 0xffffffff
Date: Tue, 18 Jun 2013 09:51:44 +0800	[thread overview]
Message-ID: <20130618015144.GA2562@amosk.info> (raw)
In-Reply-To: <20130617140403.GB10085@redhat.com>

On Mon, Jun 17, 2013 at 05:04:03PM +0300, Michael S. Tsirkin wrote:
> On Mon, Jun 17, 2013 at 09:35:11PM +0800, Amos Kong wrote:
> > Currently we only support to allocate 0xff mac-addresses,
> > if we start guest by pci-bridge/multiple-func, the macaddr
> > are not enough.
> > 
> > This patch extends the mac-address space to 0xffffffff
> > 
> > 52:54:00:00:00:00 ~ 52:54:ff:ff:ff:ff
> > 
> > Signed-off-by: Amos Kong <akong@redhat.com>
> 
> 
> And then there's even more chance a user error
> (forgot to specify mac) will lead to broken
> LANs because of collisions.
>
> Why is it that whoever wants >256 NICs can't just
> specify the addresses explicitly?

We should lead user to use assigned mac, those two patches
are just considered for the lazy users ;)


-- 
			Amos.

  reply	other threads:[~2013-06-18  1:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-17 13:35 [Qemu-devel] [PATCH 0/2] fix macaddr allocation Amos Kong
2013-06-17 13:35 ` [Qemu-devel] [PATCH 1/2] avoid to allcate used macaddr to to new nic Amos Kong
2013-06-17 14:00   ` Michael S. Tsirkin
2013-06-18  2:05     ` Fam Zheng
2013-06-18  6:27       ` Michael S. Tsirkin
2013-06-17 13:35 ` [Qemu-devel] [PATCH 2/2] extend the macaddr space to 0xffffffff Amos Kong
2013-06-17 14:04   ` Michael S. Tsirkin
2013-06-18  1:51     ` Amos Kong [this message]
2013-06-18  6:19       ` Michael S. Tsirkin
2013-06-18 11:21 ` [Qemu-devel] [PATCH 0/2] fix macaddr allocation Stefan Hajnoczi
2013-06-18 12:39   ` Amos Kong

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