If you call Meraki support within 24 hours after the drop they can check the back end logs on the device and tell you what the cause was. I learned Meraki devices have a series of checks like DNS lookups and pings to 8.8.8.8 to ensure they can reach the dashboard consistently. Also, read this article: https://documentation.meraki.com/General_Administration/Cross-Platform_Content/Meraki_Device_to_Cloud_Connectivity_-_FIPS
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