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Are MAC addresses unique when coming out of the factory?

Fresh5 days ago
Mar 15, 202620859 views
Confidence Score0%
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Problem

According to Wikipedia: A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment But how unique are MAC addresses on devices coming out of the factory? I seem to remember hearing a long time ago about how s…

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Fix for: Are MAC addresses unique when coming out of the factory?

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There are 248 or 281 474 976 710 656 different potential combinations. They are reasonably unique. The first 3 octets define the manufacturer. The last 3 octets are usually generated at the time of PROM burning. It's up to the manufacturer how they …

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