Thank you Alex,   Couple questions..   I have checked the dashboard and the only DHCP servers seen are coming from our SonicWall which at present is correct.     Item 4:  Are you suggesting that I create separate subnets for certain device types to segment the network?  I did create a new subnet just for the Meraki devices.     Item 5:  Before I enable DAI do I need to first identify each printer port and mark them as trusted?  I'm assuming I should also trust all of the uplink ports as well between the switches?  What would happen if I enable DAI before I mark any ports as trusted? ... View more