Products
Platform
General
Public groups
How auto VPN work , what kind of configuration needed for auto VPN
https://documentation.meraki.com/MX/Site-to-site_VPN/Meraki_Auto_VPN_-_Configuration_and_Troubleshoo...
Meraki dashboard gives you a list of ip/ports that in case you use a firewall between mx-internet firewall need to add
https://documentation.meraki.com/General_Administration/Other_Topics/Upstream_Firewall_Rules_for_Clo...
There's also the AutoVPN white paper that explains it quite nicely:
https://meraki.cisco.com/product-collateral/auto-vpn-whitepaper/?file