I got this message from Meraki last week
You are receiving this email because we are continually improving our systems, and new tests have determined that the Meraki cloud is having difficulty communicating with one or more of your devices. The firewall information page describes which IPs and ports you must whitelist in order for your devices to operate optimally.
Please check the firewall rules that these devices are behind:
See this page for more information on how you should configure your firewall:
I've checked out my firewall rules and all are configured. What kind of tests can I make to verify my connectivity with the
We can't see the firewall rule link. I think it would be better if you can provide screenshot of your firewall rule.
May i ask if you are having a non Meraki firewall as your Uplink? If so, i think you need to allow the ports that is given on the Help Section on the Dashboard that can be found on the upper right side of the pane.
I hope this helps.
I have attached a screenshot for reference.
Have you seen this page:
And this one:
If not, definitely give them a read. The info may help pinpointing the problem.