Hey Stew!   All Meraki switches support LACP groups of up to 8 ports, and as cmr said you can do so between physically stacked switches.    Further documentation on our implementation of LACP can be found here:  https://documentation.meraki.com/MS/Port_and_VLAN_Configuration/Switch_Ports#Link_Aggregation Let us know if you have any other questions! 🙂   -Donovan ... View more