Yes, Brian- the routing table looks OK on the Astaro. Do you have multiple VPN clients with the gateway issue? You may want to try editing the .ovpn config file and adding some "route magic". On new lines at the end of the file, add:
Thanks for the reply. No, I'm the only VPN user. I tried editing the .ovpn file to see if I could figure out where to insert the "push" commands where it assigns the default gateway, but couldn't figure it out.