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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If we purchase an OUI, is there a mechanism within Quantum to only allocate Mac addresses with that prefix ?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Tim<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> openstack-bounces+tim.bell=cern.ch@lists.launchpad.net [mailto:openstack-bounces+tim.bell=cern.ch@lists.launchpad.net] <b>On Behalf Of </b>Salvatore Orlando<br><b>Sent:</b> 20 October 2012 10:20<br><b>To:</b> Vinay Bannai<br><b>Cc:</b> openstack@lists.launchpad.net<br><b>Subject:</b> Re: [Openstack] Use of MAC addresses in Openstack VMs<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Vinay,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I understand your concerns about conflicts with already assigned OUIs.<o:p></o:p></p></div><div><p class=MsoNormal>It is however my opinion that it is not up to the Openstack Foundation, but to entities deploying Openstack, to buy MAC OUIs.<o:p></o:p></p></div><div><p class=MsoNormal>As regards Quantum, we should ensure the default MAC range we use is locally assigned; unfortunately I do not know enough about nova-network.<o:p></o:p></p></div><div><p class=MsoNormal>Also, it is my opinion that a locally-assigned OUI would be sufficient for many use cases, without the need for a globally assigned one.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regards,<o:p></o:p></p></div><div><p class=MsoNormal>Salvatore<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>On 20 October 2012 04:05, Vinay Bannai <<a href="mailto:vbannai@gmail.com" target="_blank">vbannai@gmail.com</a>> wrote:<o:p></o:p></p><div><p class=MsoNormal>I was talking to Nachi and Gary during the Quantum design session about the need to have a proper MAC OUI allocation scheme for Openstack development folks. They suggested that I send it out for wider discussion on the mailing list. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>It turns out that it would be useful for the Openstack foundation to apply for a MAC OUI from IEEE that can be used for development purposes and testing. This way we don't unwittingly use someone else MAC allocation. Here are the details <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://standards.ieee.org/develop/regauth/oui/index.html" target="_blank"><span style='color:black'>http://standards.ieee.org/develop/regauth/oui/index.html</span></a><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The cost to get a OUI allocation is around $2000 dollars. Remember if we use random MAC OUI, the actual owners can assert their legal claim on the MAC address in the event of a conflict now that we have support for more sophisticated tunnels that allow connections from public and private clouds. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Comments welcome. <o:p></o:p></p></div><div><p class=MsoNormal><span style='color:#888888'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:#888888'>Vinay<o:p></o:p></span></p></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Mailing list: <a href="https://launchpad.net/~openstack" target="_blank">https://launchpad.net/~openstack</a><br>Post to : <a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br>Unsubscribe : <a href="https://launchpad.net/~openstack" target="_blank">https://launchpad.net/~openstack</a><br>More help : <a href="https://help.launchpad.net/ListHelp" target="_blank">https://help.launchpad.net/ListHelp</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></body></html>