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Alright, I have this setup:

  • A common router with outgoing PPPoE connection to my ISP which provides me internet.
  • A computer connected through the LAN to the router, default settings including DHCP, internet successefully available on the computer.
  • A friend of mine (with his own internet) is in deep need of MY internet, so is means that
  • That person above needs to access my internet from my router somehow.
  • I have created a VPN incoming connection (Windows 8.1) and specified a user with a password.
  • I have created a port forwarding (from 1 to 35k) on the router to my computer.
  • The friend of mine successefully connects (through the internet) to my "Incoming Connections" thing and I see him as a user which have logged in.
  • Issue: he loses his internet at all when he is at me.

Solution required: some setup with my router or (preferred) my windows network options so he could have my internet.

Something we have tried:

  • Create bridge connection with my LAN and "Incoming Connecitons". No result, no such option in the context menu when I select both of them.
  • Install OpenVPN and try there. No success (same issue) there.
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Do you mean that your friend wants simultaneous access through two ISPs? His ISP and your ISP through the VPN?

I think the issue would be that his PC can only call one Gateway at a time.

VPN off > requests for stuff on non-local IPs go to his modem. VPN on > requests for stuff on non-local IPs go though the VPN to your modem.

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up vote -2 down vote accepted

The thing is to create an appropriate pool of IP addresses on the Incoming Connections thing. It must be the same subnet as router's, like 192.168.XX.XX.

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