![]() Now all we need to do is pick 4A which is our target and split it up into 4 and A. ![]() Next step is to use a pattern noted as 8 4 2 1 because if you sum up the value you get 15. So we need to take note of something since we are dealing with a hexadecimal value which is base 16, therefore we can have value ranging from 0 to 15 and the 15 denotes F in hexadecimal. ![]() This 4A is in hexadecimal, has it consist of ‘A’ and ‘A’ has a decimal value of 10. Examples of a unicast and a multicast MAC addressįirstly, take the first byte, which is 4A. If the LSB (b0) is 0 then it is said to be a unicast MAC address, but if LSB (b0) is 1 then it is said to be a multicast MAC address.īut a broadcast MAC address is generic and does not need to be noted using the LSB or whatsoever because it consists of FF:FF:FF:FF:FF:FF or 1111:1111:1111:1111:1111:1111. The first byte consists of 8-bits, b7 is the MSB (Most Significant Bit) while b0 is the LSB (Least Significant Bit). As an example - 4A:30:10:19:10:1Aīut the main point needed in order to identify if a MAC address is a unicast or multicast is the first byte. A MAC address consists of a 48-bit or 6-byte.
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