I have a setup with three sites, using 2 ER605 and one ER707 routers. The interconnect through IPSEC, which is fine and will automatically reconnect if any of the sites would have a short outage....

I have a 2.5 GB fiber internet connection using a ZTE TIM Hub+ (Telecom Italia). Since the LAN ports on this router are only 1G (and the optical port on the ER707 is only 1G as well, so there is no...