This is how Meraki switches have always worked. Internet issues aside if you configure a static IP that is not valid the switch will revert to DHCP in order to try to get an IP and connect to dashboard. Being that Meraki devices are cloud managed there are multiple failsafe routines to ensure it can find a way to dashboard. Also, if you give it some time the device should revert to using it's static if that's a valid config. It shouldn't need a reboot.
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