Take a quick look at this post on how to make the monitoring page dynamic. https://community.meraki.com/t5/Managed-Services/Need-Dynamic-MSP-Dashboard-Monitoring/m-p/1608 You are going to want to use Organization/Overview. You will probably want to use one of the table views, and craft a filter to display what you want to see (such as the one shown in the screenshot to show offline devices).
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