Bits determining type of MAC addresses?

shanparames

Hi

In the 6th edition of Todd Lammle book, in chapter 1 of Ethernet Networking, about ethernet MAC addresses, it is mentioned that the high-order bit represents the Individual/Group bit (47) & for Global/local bit is 46th bit of the MAC ADDRESS's OUI .


The figure which I pasted is from wikipedia.It is saying that the LSB of the most significant byte of the MAC represents the I/G & G/L

Which is correct?

Please provide me the clarification

JDMurray

Lammle is correct and the Wikipedia image is wrong.

When in doubt, the IEEE is the definitive authority on all things MAC related.