Published May 13, 2026, 8:00 AM EDT Richard is the PC Hardware Lead at XDA and has been covering the technology industry for almost two decades. He's been building PCs since young, and when not creating content, you can often find him inside a chassis somewhere. Set up a virtual LAN (VLAN), they said. It would be fun, they said. Actually, configuring VLANs is incredibly fun and worthwhile as it can segment your network and secure various devices. Think about all those random guest phones that gain access to your wireless network. There's no telling what those visiting your home may do on their devices. All it takes is one innocent visit to a dodgy streaming website with malware ready to ship out to the next unsuspecting victim. Once that code is on your network, it can spread to other devices, which is what VLANs can help protect against. Then there's the fact that you may not want all devices communicating with one another.…