From long time back I hv a doubt abt how IEEE maintaining unique Mac address or Physical address for each h/w machine. Recently when I am browsing for VMware ports scan i got an information abt mac generation. Fortunately mac address contains 6 pairs of hexacode, from this IEEE assigning first 3 pairs of series to particular manufacturer, next 3 pair series can be used by them, so that then can hv a chance to give 16^3(4096) macs to their h/w with this series. Likewise manufacturer needs to get series to give mac addresses.
Due to this kind of distribution no two manufacturer hv same mac address, so that no collision. All the above explanation is my understading, If something wrong please correct me. For more details please chek IEEE official site. from this articale we can know how mac addresses distributing.
Thursday, July 15, 2010
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