How to get VPN & non-VPN devices to talk to each other.

June 27, 2017 at 08:46:58
Specs: Windows 8
I currently have a modem/router supplied by my ISP which has wifi open to the public.
Behind this I have a dd-wrt router connected to the internet through the ISP modem which is for my personal use.
From that dd-wrt router I have a media server in an office and an ethernet cable to a switch in an AV room running music & tv devices streaming audio/video from the internet and from the media server.
I need to move to a VPN for streaming from the internet but still have local streaming from the media server. Can anyone suggest how this could be done please?

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#1
June 28, 2017 at 06:57:02
You could try making the dd-wrt router the endpoint for your VPN tunnel. This would of course depend on the ability of your ISP provided router to let the VPN traffic pass through it to the dd-wrt router.

If that doesn't work you would have to open a VPN tunnel into your ISP provided router and then create a route from it to the media server on the dd-wrt router.

If neither is possible, you could try adding a second NIC to the media server and connecting it directly to the ISP provided router and setting that router up as the VPN endpoint. This would require increasing security on the media server to prevent data flowing between the two networks through it.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#2
June 28, 2017 at 10:16:10
Hi. Thanks for your reply. When I make a router an endpoint does everything that goes through that router get routed to the VPN? I wanted to separate the internet streaming so it uses the VPN but route other internet access direct. Is this possible on the same router?
If not and I put in another NIC from the Media Server to the ISP router will the 2 dd-wrt routers be able to talk to each other for media streaming although that would that mean opening up my public ISP router to my personal router(s). Or could they be connected in series?

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#3
June 29, 2017 at 08:52:47
Depending on the router you should be able to have both types of traffic going through it. I've never tried to do something like this myself but if I were, I'd make sure the main router (the one connected directly to the internet) could do both, act as a VPN endpoint as well route "regular" internet traffic.

You'd have to read up on the specifications of the device to see if it can do both. That or contact the manufacturer's support people and ask them.

If it can't, and your second router can act as a VPN endpoint, you would then put a port forward on VPN traffic on the maIn router pointing VPN traffic to the second router (the VPN endpoint).

You should be able to do this without a second NIC in the media server. I forgot you're using dd-wrt so whether or not the routers can do what you're asking is a question for the dd-wrt people, not the device's manufacturer.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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