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For questions about network switches, the term commonly refers to a multi-port network bridge that processes and routes data at the data link layer (layer 2) of the OSI model.

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Is a "LAN" a layer 2 or a layer 3 concept, in TCP/IP?

I think my question is purely theoretical and a matter of definitions; it derives from the fact that a L2-switch with VLAN capabilities is able to "create" different virtual LANs, and thus I am led to … say that whatever is on one port of the router is a LAN, and whatever is on the other side is another LAN, thus replacing the switch with a "logical link". …
Maurizio Carcassona's user avatar