You can always set a new range of mac addresses using - engine-config -g MacPoolRanges (to see the current range)
and then engine-config -s MacPoolRanges=<new range> ----- Original Message ----- > From: "Karli Sjöberg" <karli.sjob...@slu.se> > To: "Yair Zaslavsky" <yzasl...@redhat.com> > Cc: "Keith Robertson" <krobe...@redhat.com>, "users" > <users@ovirt.org> > Sent: Tuesday, January 8, 2013 8:29:49 AM > Subject: Re: [Users] mac address re-use > tis 2013-01-08 klockan 01:18 -0500 skrev Yair Zaslavsky: > > Keith summed things quite right as far as I know (I did not know > > about the range allocated to Qumranet) > > > From code perspective - We have a MacPoolManager infrastructure > > which > > holds a pool of Mac addresses, and per deletion of VM, the mac > > address is returned to the pool. > > Which means that if you set up two oVirt systems independantly; one > for production and one for testing, you will get collisions? > /Karli > > > From: "Keith Robertson" <krobe...@redhat.com> > > > > > > To: "Jonathan Horne" <jho...@skopos.us> > > > > > > Cc: "users" <users@ovirt.org> > > > > > > Sent: Tuesday, January 8, 2013 5:15:04 AM > > > > > > Subject: Re: [Users] mac address re-use > > > > > > 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 > > > > > > > > > > This is a PRIVATE message. If you are not the intended > > > > recipient, > > > > please delete without copying and kindly advise us by e-mail of > > > > the > > > > mistake in delivery. NOTE: Regardless of content, this e-mail > > > > shall > > > > not operate to bind SKOPOS to any order or other contract > > > > unless > > > > pursuant to explicit written agreement or government initiative > > > > expressly permitting the use of e-mail for such purpose. > > > > > > > > > > _______________________________________________ Users mailing > > > > list > > > > Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users > > > > > > > > > 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, > > > > > > Keithן > > > > > > [1] http://standards.ieee.org/develop/regauth/oui/public.html > > > > > > _______________________________________________ > > > > > > Users mailing list > > > > > > Users@ovirt.org > > > > > > http://lists.ovirt.org/mailman/listinfo/users > > >
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