Those look like valid logs. If your system isn't parsing them properly you would have to take that up with them.  The only note I see on that page about formats says timestamps are required and the entry above does have that. I will point out that documentation page is for Firewalls and doesn't mention any compatibility with wireless or switch logs. The example you've provided is wireless.  The system may not support things besides firewalls.   In general, Meraki doesn't offer formatting options for their syslogs so your tool has to be the one translating them into something user friendly. ... View more