You can scale up to the first 25,000 Meraki devices yourself.  After that you have to get support involved, and engineering have to split it across more than one shard (or you have to split it yourself using more than one organisation).  This document covers it: https://documentation.meraki.com/Architectures_and_Best_Practices/Cisco_Meraki_Best_Practice_Design/Building_a_Scalable_Meraki_Solution   But in short - you wont be having a problem. ... View more