Have you found documentation confirming OSPF support on the CS? Or are you planning on running them with IOS-XE? If the former, which I would assume based on the '-M' models, I would try to clarify two points with Meraki support regarding the OSPF functionality would be the same as what is in the MS OSPF documentation. The docs note limitations with warm spare (VRRP). This may be a non-issue, but I couldn't find OSPF docs related to Catalyst switches in Meraki mode. I might also be misunderstanding the design.
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