@Stariaa has this been resolved? I can try to help as I'm using a site-to-site configuration already for 2 years. Homebase is using an ER605 with controller using public IP and ER605 at the remote...

@bmall

I've upgraded from ER605 to ER707-M2 to increase the no. of VPN IPsec site-to-site access. But when remotely accessing the sites via the OpenVPN, the ER707 hangs-up, you can view through the OC300...