As an alternative to using a physical VPN Hub, Viprinet offers virtualized Multichannel VPN Hub instances. The Viprinet Virtual VPN Hub is a pure software application that works just like a physical hardware VPN Hub and can be operated as an Amazon AWS cloud service or as a Vmware virtual machine on any existing server worldwide.
Using this link, you can download the Virtual VPN Hub software: https://updates.vipri.net/files/firmware/virtualhub/