Based on other feedback, I think there is likely to be a bug in this API when used with certain specific timespans. https://community.meraki.com/t5/Developers-APIs/Issue-with-Meraki-MX-Tunnel-Stats-granularity/m-p/227552    Maybe we could ask someone like @John_on_API if he has any thoughts on the matter.  John, no so much in this post, but the one I linked to has much more specific detail of the issue. ... View more