We have a Virtual Cloud Hybrid Solution (VCHS) where we have an application server. There is a VPN tunnel established between the cloud provider and our core site via Dell SonicWall. We have a remote site that is connected to the core site via a VPN tunnel managed by another Dell SonicWall.
I am looking for a solution that will allow the remote site to be able to see and communicate with the cloud based application server. So the flow would be: Remote site connected to core site via VPN connected to cloud provider connected to core site via VPN.
Essentially the jist of it is this:
On your remote site VPN you need to create a network group that contains the network for your core site and for the VCHS site and in your VPN policy that's the destination network.
You then need to tell your VCHS provider to modify their VPN so that they have a route for your remote site in their VPN config. Nothing should need to be changed on your core sonicwall.
So to make sure we have this.
Remote site VPN destination network object will be the Core site and the VCHS site.
The VCHS site will have the Core site and the remote site as it's destination network across the VPN.
That should let you start talking back and forth using the core site as the hub.