#レイヤ2
2 posts-
explanation
What Is a VLAN? — Splitting One Switch Logically at Layer 2
A VLAN (Virtual LAN) logically divides one physical switch / one physical network into several independent broadcast dom...
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explanation
What Is ARP? — Resolving a MAC Address from an IP Address
ARP (Address Resolution Protocol) is the foundational IPv4 protocol that asks, on a local network, 'what is the MAC addr...