I have a work computer that needs to stay on and connected to the internet 24/7, but I'm trying to find a way to isolate it from my home network. My plan is to run an Ethernet cable from my main router to a secondary router, which will then connect to my work computer. Will this setup effectively prevent my work computer from accessing or seeing devices on my main router? Just to clarify, I can't adjust any settings on the work computer itself, so I'm hoping for a straightforward solution here.
5 Answers
You might also try putting your work computer on a second router that's set up in a DMZ of your main router, as that could help reduce visibility to other devices on the network. Just be careful about double NAT issues that might arise.
It sounds like you have decent hardware (a Rog BE-18000), so you might have options available to create that separation. It’s worth diving into the user manual or online resources to get the most out of your router!
Just running a second router won't necessarily isolate your work computer if both routers are on the same network. You'll need to check your primary router's settings for features like DMZ or device isolation. Also, keep in mind that your work computer could still potentially see devices on the same broadcast domain unless you properly configure everything.
Honestly, if it’s critical to keep things completely separate, using a Layer 3 switch with VLANs could be the way to go. It sounds more complex, but it's the best way to ensure that you don’t have any traffic crossing over between your work and personal networks.
If isolation is a priority, consider using VLANs, but that depends on whether your router supports them. If it doesn’t, you might want to check out your router’s capabilities for creating separate local networks or look into upgrading to a router that can handle that. It seems like you want to keep things completely separated, and that’s the way to go.

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