#Excel setup for mac addresses mac#
A Unicast MAC address frame is only sent out to the interface which is assigned to a specific NIC and hence transmitted to the single destination device. The Unicast MAC address represents the specific NIC on the network. There are three types of MAC addresses, which are:
![excel setup for mac addresses excel setup for mac addresses](https://static.tp-link.com/image001_1480296328211y.jpg)
Vendors or manufacturers can use any sequence of digits to the NIC specific digits, but the prefix should be the same as provided by the IEEE. The last three octets are NIC specific and used by the manufacturer to each NIC card.Some example of OUI of known vendors are:.
#Excel setup for mac addresses registration#
These MAC prefixes are assigned to each organization or vendor by the IEEE Registration Authority Committee.
![excel setup for mac addresses excel setup for mac addresses](https://www.howtogeek.com/wp-content/uploads/2015/09/how-is-the-uniqueness-of-mac-addresses-enforced-00.jpg)
Reason to have both IP and MAC addresses.Īs we already had the IP address to communicate a computer to the internet, why we need the MAC address.
![excel setup for mac addresses excel setup for mac addresses](https://helpdeskgeek.com/wp-content/pictures/2009/04/mac-address.png)
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