The "very small config" is based on the fact that you do *not* configure one tunnel per branch office. Four your 20 sites, you configure exactly one line in the dashboard. But by referencing 20, 50, 100 networks in the availability, the tunnel is setup on all these networks. This is needed because on Meraki we *do not* have routing between non-Meraki and AutoVPN tunnels. The term "non-Meraki VPN-hub" is nothing official. It was meant to emphasise that the peer for these tunnels is not a Meraki Hub in the same dashboard org. Because in AutoVPN we would have full routing capabilities.
... View more