From the course: CompTIA Security+ (SY0-601) Cert Prep: 8 Network Security Design and Implementation

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VLANs and network segmentation

VLANs and network segmentation

From the course: CompTIA Security+ (SY0-601) Cert Prep: 8 Network Security Design and Implementation

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VLANs and network segmentation

- [Instructor] Virtual LANs, or VLANs, are an important network security control. VLANs allow us to logically group together related systems regardless of where they exist on the network. When we create diagrams of our desired network layouts, they typically look something like this, with different functional groups having different network locations. Users in the accounting department all share a network that's separate from users in the sales department and those in the IT department. Now, if our building and floor layout matched this network diagram exactly, we'd be all set, but more often than not, we wind up in a situation where users from different departments are spread across buildings. That's where virtual LANs come into play. We can use them to connect people who are on different parts of the network to each other, and also separate them from other users who might be geographically close to them. VLANs…

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