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Re: [Qemu-devel] [PATCH] add mac address collision checking for device_a
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From: |
Daniel P. Berrange |
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Subject: |
Re: [Qemu-devel] [PATCH] add mac address collision checking for device_add & pci_add |
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Date: |
Mon, 12 Nov 2012 11:18:28 +0000 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Nov 12, 2012 at 07:12:46PM +0800, Lin Ma wrote:
> QEMU doesn't check if there are mac collisions when adding nics.
> It causes mac address collisions in guest if adding the nics which
> include existing physical address.
> This patch fixes the issue.
I understand the issue, but are there not use cases where it is
reasonable to have multiple NICs with the same MAC address ? To
me this kind of policy enforcement belongs at a higher level in
the mgmt stack.
Daniel
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