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I know asus routers that can run the merlin firmware can do this but I suspect there are many others. It allows you to control which traffic goes into the vpn tunnel and which traffic is allowed to bypass it and go directly. The feature you are looking for is sometimes called split tunnel. What I would do is get a better vpn router. So even if this worked you traffic would go all the way out to the internet vpn provider and back. You have the added issue that you are running VPN on the router itself.Įven if you tried to talk to devices on the first router the VPN router would force the traffic to go into the VPN tunnel and be send outside your "modem". This is the standard port forwarding problem, and if you really work at it you can to some extent share files. The first issue is that you have 2 routers and they all share the WAN IP on their respective routers. A real modem tend to only allow a single device to connect to it.
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I suspect the device you call a modem is actually a router. This is like asking how do you share files with your neighbor.
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