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I have a router that I want to use to take Ethernet input and output a WiFi network, to make a kind of virtual network so that computers on the virtual network cannot access the computers on the main network. Is that possible?

Basic ASCII diagram:

Main WiFi > Raspberry Pi > Ethernet > Router > WiFi network with internet

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    Is there a reason for the complexity? Some other thing you are doing? This is commonly called a “guest” network on any home WiFi router. – Appleoddity Sep 28 '18 at 17:05
  • @Appleoddity I just want a private network to play around on seperate from the main one and I dont want to pay for a second internet connection, and those are the materials I have – Menotdan Sep 28 '18 at 17:28
  • Wouldnt it be easier to just buy a router with a built in guest network? – Ultrasonic54321 Sep 28 '18 at 17:54
  • @Ultrasonic54321: Many wireless routers simply attach both main and guest SSIDs to the same subnet and enable "client isolation" on the 2nd one. So it's still the same "network", technically... and you can't even do much with it, because different clients are isolated even from each other. – grawity Sep 28 '18 at 18:02
  • The capabilities of the router are key; some can, some can't. What's the make and model of the router? Please get the model from the plate or sticker underneath or behind when the FCC approval seal is. Once you have that, please click on the edit link above at left, and add that to your original post. Adding to the original post is better than replying in Comments, for that way everyone sees the updated information all at once. And, if it won't do what you want, used routers are cheap. – K7AAY Sep 28 '18 at 18:29

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