What is the difference between the foundations of "VLAN" and "subnet" that can't be heard anymore?: Roughly explanation from the OSI reference model

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ネットワーク | ネットワーク管理

　The terms that beginners should learn are "VLAN" and "Subnet".In order to understand the value of VLANs and subnet, it is helpful to first understand the "OSI reference model".The OSI reference model defines the rules for which applications communicate through the network.

　The OSI reference model has seven layers (layers) in a hierarchical structure, each of which generates data in the packet data body, and specifies the address to identify the destination.Send packets.The IP network, which is a network using IP (Internet protocol), uses the following two types of addresses.

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What is the difference between VLAN and subnet?

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