We have the block and it was like $495 for 4096 addresses. Bill
>-----Original Message----- >From: [email protected] >[mailto:[email protected]] On >Behalf Of Roger Cover >Sent: Friday, April 10, 2009 2:31 PM >To: Mailing list for lwIP users >Subject: RE: [lwip-users] MAC Address? > >Howdy John, > >That is my understanding. We have an OUI. The price was not that much >higher than a minimum block. > >Regards, >Roger >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of >John Kennedy >Sent: Friday, April 10, 2009 10:53 AM >To: 'Mailing list for lwIP users' >Subject: RE: [lwip-users] MAC Address? > >Roger, >So I assume if you purchase an OUI you get a block of 2^24 = 16M >addresses OR you can purchase a minimum block of 4,096 addresses but you >don't get an OUI? > >John > > > >________________________________________ >John Kennedy > > >Idaho Technology Inc. >390 Wakara Way >Salt Lake City, UT 84108, USA > >USA: 1-800-735-6544 >Bus:+1 (801)736-6354 x448 >Fax:+1 (801)588-0507 > >http://www.idahotech.com/ >-----Original Message----- >From: Roger Cover [mailto:[email protected]] >Sent: Friday, April 10, 2009 11:12 AM >To: Mailing list for lwIP users >Subject: RE: [lwip-users] MAC Address? > > >Howdy Folks, > >Here is a bit of information about MAC addresses that might be >applicable to this discussion: > >MAC addresses can either be "universally administered" or "locally >administered." > >A universally administered address is assigned to a device by its >manufacturer. The first three octets are the Organizationally Unique >Identifier (OUI) of the manufacturer (issued by the IEEE). The remaining >octets are assigned by the manufacturer. > >A locally administered address can be assigned to a device by any >network administrator. Locally administered addresses must not contain >OUIs. > >Universally administered and locally administered addresses are >identifiable by the bit who's value is 2 in the most significant byte of >the address. A zero in that bit indicates a universally administered >address. A one indicates a locally administered address. For example: >02-12-34-56-78-90 is a locally administered address, 00-1B-21-11-74-58 >is the address of my NIC (00-1B-21 is Intel's OUI). The IEEE will not >issue an OUI with this bit set. > >Locally administered addresses are the responsibility of the network >administrator where they are used. Universally administered address are >the responsibility of device manufacturers. > >>>> Are there some pre-allocated MAC addresses one can use temporarily >>>> for testing? > >If you want a MAC address for testing a product under development, you >can just pick any locally administered address you want (subject to your >network administrator's guidance). If you want a MAC address for >shipping a product, you need to buy a block of addresses or buy a >company OUI. Both of them are reasonably inexpensive and can be used for >any number of products. > >Regards, >Roger > > >_______________________________________________ >lwip-users mailing list >[email protected] >http://lists.nongnu.org/mailman/listinfo/lwip-users > >________________________________________ >CONFIDENTIALITY NOTICE: This E-mail and any attachments are confidential >information of the sender and are for the exclusive use of the intended >recipient. If you are not the intended recipient, be aware that any >disclosure, copying, distribution, or use of this E-mail or any >attachment is prohibited. If you have received this E-mail in error, >please notify us immediately by returning it to the sender and delete >this copy from your system. Thank you for your cooperation. > > > > >_______________________________________________ >lwip-users mailing list >[email protected] >http://lists.nongnu.org/mailman/listinfo/lwip-users > > >_______________________________________________ >lwip-users mailing list >[email protected] >http://lists.nongnu.org/mailman/listinfo/lwip-users _______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
