VPN Design

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Joined: Sat Aug 19, 2017 12:50 am

VPN Design

Post by gstfl » Sat Aug 19, 2017 1:12 am


I'm rather unexperienced in setting up VPNs with Softether so I have a question.

The situation is as follows:
There are 3 sites A, B and C with the physical IP-ranges A –, B – and C –

All computers of all sites should be able to communicate with each other and get IP-addresses in the VPN-Subnet

The bandwidth between each sites is not the best, so each site should have its own VPN-Server with hub where clients can connect.

For instance: at site A, client X and client Y connect to the virtual hub running on X gets the VPN-IP, Y
At Site B, client Z connects to the virtual hub on and gets the VPN-IP

If X ( wants to communicate withY (, it should be routed via the hub at site A. Only if X wants to communicate with Z (, it should be routed to the hub at site B, using external internet-bandwidth.

The DHCP of the VPN should be located at site A, having the best internet connection

It is not possible to set up static routes on the physical gateways at each site.

Is there any way that this VPN can be realised?

Hope I described my problem understandable and I would be glad if someone could help me.


Posts: 2765
Joined: Mon Feb 24, 2014 11:03 am

Re: VPN Design

Post by thisjun » Thu Sep 14, 2017 6:28 am

Most easy way is making cascade connection from B and C to A.
Please do not connect B and C directly because it causes loop.

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