What is L2/L3?

L2/L3 refers to Layer 2 (Data Link Layer) and Layer 3 (Network Layer) of the OSI model. These layers are crucial for networking. Layer 2 technologies, like Ethernet and Wi-Fi, handle data transfer between directly connected nodes within a network. Layer 3 technologies, such as IP, handle routing data packets between different networks. These are often used in combination; for instance, Ethernet (L2) carries IP packets (L3) to facilitate communication across the internet.