"The reason is that the vMX (and any MX for that matter) will not route from a Meraki Auto-VPN connection to a 3rd party site to site connection." Meraki support has confirmed this, but it's a shame this isn't documented anywhere. Regardless, our only options seem to be: Add Meraki vMXs to each VPC that we need to connect to...using Auto-VPN to connect all hardware and virtual MXs. OR Link hardware MXs to each other via Auto-VPN and then also create an individual VPN connection between every office and every VPC.
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