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In this case, you are interested in the layer 2 information, more precisely the ether MAC address.Īs you can see, when running the “ ifconfig” command, my current MAC address is 02:42:35:54:98:2a.
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Layer 3 information : most of the time, you will be dealing with TCP/IP networks.Layer 2 information : the information you are interested in : the MAC addresses as well as the layer 2 protocol used by the network card (in this case Ethernet).
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Network card general information : if the card is up or down, if it is running on unicast or multicast and its MTU.For this network interface, you are presented with multiple different information :
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