The switch will also attempt to use DHCP over alternate VLANs, in order to obtain IP config and reach the Dashboard that way (it will then flag up that it's using that, rather than the configured VLAN). If your Core switch is configured for Layer-3 routing, remember that the management is separate from the user traffic (different VLAN) https://documentation.meraki.com/MS/Layer_3_Switching/MS_Layer_3_Switching_and_Routing#Switch_Management_IP_and_Layer_3_Interfaces
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