Connect 2 PC together with an LAN Cable

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Bluesbrothers - Updated on Mar 26, 2021 at 07:03 AM
Hello,
a question from a beginner. I don't understand why we have to manage Ip (like put a static Ip address) in this process. I tought we were in layer2(mac,lan,ehernet) here and not in the layer3(Ip) of Osi model. Could someone explain me something? Thank you all