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WTF is up with switches?
(lazysoci.al)
A community to help people learn, install, set up or troubleshoot their home network equipment and solutions.
A managed switch allows you to have vlans, routing, QoS, spanning tree protection etc. You don't necessarily need a gui, a lot of them are cli only, which is preferable but less user friendly if you're not used to it. Depending on your needs a managed switch can be overkill.
But doesn't the router do the VLAN stuff? Sorry, I don't know how to phrase it properly
VLANs are an extension of the Ethernet technology, and operate on the link layer (OSI layer 2). They are handled by switches. VLANs can belong to different subnets, and communication between them requires routing, which happens on the network layer (OSI layer 3) on either routers or layer-3 switches, but VLANs themselves are handled by switches.
I recommend Network Chuck on youtube, his videos are very noob-friendly.