On Mon, Oct 22, 2012 at 8:08 PM, Gary Kotton <[email protected]> wrote:
> On 10/20/2012 07:23 PM, Tim Bell wrote: > > ** ** > > If we purchase an OUI, is there a mechanism within Quantum to only > allocate Mac addresses with that prefix ? > > > At the moment Quantum enables the user to define a base MAC address. That > is the user can update the configuration file. The user selects a base MAC > and the MAC's are allocated in that range. I think that this gives us a lot > of flexibility. > > Please see below for the configuration options. > > # Base MAC address. The first 3 octets will remain unchanged. If the > # 4h octet is not 00, it will also used. The others will be > # randomly generated. > # 3 octet > # base_mac = fa:16:3e:00:00:00 > # 4 octet > # base_mac = fa:16:3e:4f:00:00 > as my know, the fa:16:3e would on behalf of a company. > > If I recall correctly this is hard coded in nova networking. > > Thanks > Gary > > > **** > > ** ** > > Tim**** > > ** ** > > *From:* [email protected] [ > mailto:[email protected]<[email protected]>] > *On Behalf Of *Salvatore Orlando > *Sent:* 20 October 2012 10:20 > *To:* Vinay Bannai > *Cc:* [email protected] > *Subject:* Re: [Openstack] Use of MAC addresses in Openstack VMs**** > > ** ** > > Hi Vinay,**** > > ** ** > > I understand your concerns about conflicts with already assigned OUIs.**** > > It is however my opinion that it is not up to the Openstack Foundation, > but to entities deploying Openstack, to buy MAC OUIs.**** > > As regards Quantum, we should ensure the default MAC range we use is > locally assigned; unfortunately I do not know enough about nova-network.** > ** > > 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.**** > > ** ** > > Regards,**** > > Salvatore**** > > ** ** > > On 20 October 2012 04:05, Vinay Bannai <[email protected]> wrote:**** > > 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. **** > > ** ** > > 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 **** > > ** ** > > http://standards.ieee.org/develop/regauth/oui/index.html**** > > ** ** > > 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. **** > > ** ** > > Comments welcome. **** > > ** ** > > Vinay**** > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp**** > > ** ** > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > -- Shake Chen
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