I believe what @JimmyPhelan is trying to convey is that Meraki Autovpn feature only works between Networks within the same Organizations, in terms of Meraki. If you have MX'es at all locations, but they are not in the same organization, you'll have to treat the Site-to-Site VPN as third party VPNs. You will not be able to leverage Meraki's AutoVPN feature.
... View more