6:15 a.m.
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On 01/07/2013 05:22 PM, Jonathan Horne wrote:
my 3.2 install seems to be reusing mac address of formerly-deleted
guests. is this the normal behavior, and or can i turn this off? i
would prefer to have a unique mac address for each new VM created.
thanks,
jonathan
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I believe re-use is intentional. I
suspect oVirt uses the IEEE [1]
space allocated to Qumranet and that space is relatively small. There
were previous discussions on the list regarding the probability of
collisions/exhaustion, IIRC. In any case, you want re-use to prevent
the possibility of exhaustion and because a program shouldn't just go
randomly creating addresses from any available OUI block.
Cheers,
Keith
[1] http://standards.ieee.org/develop/regauth/oui/public.html
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<div class="moz-cite-prefix">On 01/07/2013 05:22 PM, Jonathan Horne
wrote:<br>
</div>
<blockquote
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<div>my 3.2 install seems to be reusing mac address of
formerly-deleted guests. is this the normal behavior, and
or can i turn this off? i would prefer to have a unique mac
address for each new VM created.</div>
<div><br>
</div>
<div>thanks,</div>
<div>jonathan</div>
<div>
</div>
</div>
</div>
<br>
<hr>
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</pre>
</blockquote>
I believe re-use is intentional. I suspect oVirt uses the IEEE [1]
space allocated to Qumranet and that space is relatively small.
There were previous discussions on the list regarding the
probability of collisions/exhaustion, IIRC. In any case, you want
re-use to prevent the possibility of exhaustion and because a
program shouldn't just go randomly creating addresses from any
available OUI block.<br>
<br>
Cheers,<br>
Keith<br>
<br>
[1]
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