My devices:

  1. A new wireless modem/router (D-Link DSL 2770L) with four ports including one WAN port
  2. An older wireless modem/router (TP-LINK TD-W8151N) with one LAN port
  3. An even older wired modem/router with one LAN port

My purpose:

I got the new router and want to have a more secure network for my personal PCs and devices and want to separate anyone else at home in another network (they don't take security seriously!). All the devices should have access to the internet.

The question:

How to setup this network to not be in the same network as other less secure people at home.

What I have done:

After searching, it seems one of the solutions is to have a LAN to WAN network. But the problem is that I want to use the newer router as primary device which connects to the internet but the older router doesn't have a WAN port.

any tip is much appreciated.

  • Put one router in front of the other two, or (even better) if your ISP gives you multiple IP addresses, two routers behind a switch. With normal configuration, each will see the other "leg" of the network as being equally untrusted as the Internet at large. This is easiest to visualize with wired connections, but is equally doable with wireless (just pick your WiFi channels carefully so they don't overlap). Problem solved. "WAN" and "LAN" are just labels. – a CVn Dec 9 '15 at 15:27
  • @MichaelKjörling Thanks. Only one device can connect to the ISP (asked them right now). I think it's a bit more complicated, since in LAN computers can share files but in WAN are in two different range of IPs (right?) – Steve Dec 9 '15 at 15:46

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