Hey there,    +1 to Raphael Meraki devices use Meraki/public NTP servers, this is not configurable. If you can confirm this traffic is indeed being sent by the MVs to your private server then I would suggest opening a ticket with support. ... View more

Hello, Are you observing any significant packet loss at the time of the issue? You can check the loss percentage by navigating to the Appliance status page --> Uplink tab ---> Packet loss to 8.8.8.8. ... View more