MAC address (MAC L2 addressing) - What is this physical addressing?

Viewing the switch's MAC address tables

What is MAC address or Layer 2 address or physical address

Communication through Multiple Switches – Practical Networking .net

What is a mac address?, MAC Address Lookup

cisco - MAC address table and frame forwarding on Layer 2 switches - question about when two computers are connected via hub to same switch port - Network Engineering Stack Exchange

How Switches Work - Study CCNA

MAC & IP addresses

networking - I am confused about the way a common home router works: Shouldn't the MAC addresses be enough to forward the information to the correct destination? - Super User

What's the difference between a MAC address and IP address?

What is a mac address?, MAC Address Lookup

CWAP – MAC Header : Addresses

Switch Mac Basis. Switch Mac Address Table Basis