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I've run OpenVPN server on SERVER-1.

Client1(10.8.0.2) and Client2(10.8.0.3) have a connected to OVPN SERVER-1 (pubIP:87.x.x.x | privIP:10.8.0.1)

And I've other SERVER-2 with connected 3 VPN clients SERVER_CLIENT1(tun0), SERVER_CLIENT2(tun1) and SERVER_CLIENT3(tun2) to other VPN servers (this is not my server, other vpn providers)

How I can route for Client1(10.8.0.2) from SERVER-1 via SERVER-2 -> SERVER_CLIENT1 (tun0) ?

It is Real ?

user597101
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1 Answers1

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It is real, but you need to explain more.

In common you have to:

  1. Ensure SERVER_CLIENT* have routes to Client* through tunnel
  2. Ensure Client* have routes to SERVER_CLIENT* through tunnel

If you are the administrator of SERVER-1 and SERVER-2 - there should be no problem. Then:

  1. Ensure SERVER-2 have route to Client* via SERVER-1 and vice versa.

Here everything should be fine.

If this can not be achieved - you have to build NAT on your SERVER-*.

kab00m
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  • Yes I'm administrator SERVER-1 and SERVER-2 but SERVER-1 on Amazon and SERVER-2 on hetzner cloud. I can build NAT through Openvpn ? – user597101 Oct 18 '20 at 13:18
  • If SERVER-1 and SERVER-2 are connected through public internet your best shot would be using some tunnel between them - IPSEC or VPN. There is no way you can connect clients from not connected private networks. – kab00m Oct 19 '20 at 10:50
  • You will probably need to enable client-to-client within opnvpn – Timothy c Oct 21 '20 at 23:25