I have a T1 and a router. Right now, this router routes all traffic from my current LAN (192.168.70.x) to the Internet.
The problem is I have remote user who need to access a server on my network. For security reasons, I do not want them to access anything else on my network so I was thinking about putting this server on a DMZ. The problem is, this router does not have a DMZ port. So, I was thinking of changing the LAN subnet that this router recognizes to something like 192.169.100.X and then setting up 2 routers for 2 separate subnets which would be 192.168.70.X and 71.X. I would then set the WAN interface on these routers to use the main router for Internet access. This would give me 2 separate subnets each of which could use the same Internet. The problem is that I would then need the PCs of 71.X to access this server on 70.X. How could I do this?
You can do it with only ONE more router (and a small hub or switch, which might already be built into your existing router). Use the 192.168.71.x subnet to connect the LAN interface of your border router,
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