Management VLAN is the VLAN your switch will need to get IP address from. Management traffic (traffic generated by switch) leaves untagged. So you will need to make sure that it is also on the trunk ports at least back to appliance as a native VLAN (untagged) It could be also, that you changing the management VLAN to 1 and IP address to 2 you cut off the management traffic to Meraki from your switch. So dashboard will show last updated information. So you could try to reconfigure it via local URL, but again your going to have a bad time because it shouldn't work like that. ... View more