Hi, consolidate the following documentation on firmware upgrade. https://documentation.meraki.com/General_Administration/Firmware_Upgrades/Managing_Firmware_Upgrades In the following documentation you can see the best practices for MX'x. https://documentation.meraki.com/Architectures_and_Best_Practices/Cisco_Meraki_Best_Practice_Design/Best_Practices_for_Meraki_Firmware rgds roger
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