We've sort of got this half working now, thanks for the assistance above. I put the VMX in concentrator mode and its come online, I added all the subnets in AWS and they are connected using autovpn across all our other meraki sites. My issue is with the AWS transit gateway. If I change the route to use the ENI for the subnets, it works. If I change it to use the transit gateway, it doesnt. Neither meraki or AWS have been able to help, they both just say, their side is correct. Has anyone managed to do this? ... View more

Apologies if I'm misunderstanding this, we have a bunch of subnets set up in AWS. If I need all of these connected using AutoVPN, I need to set them all up as networks on the VMX and Enable AutoVPN? Is that correct?  L. ... View more