I’m aware that the mac address is part of the data link layer, but why can’t I just use my MAC address as IP address, too?
Why do I need both addresses?
In: 14
MAC is like your social security number and IP is like your house address you happen to be living at.
Knowing who **you** are does no good when trying to send something to you. You might not necessarily be at home or you might move on a regular basis. So knowing what address you are actually at is necessary to get something to you.
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