Hey @Cyber_Owl, So you can override a number of template settings in the network itself, but not everything. Things like port forwards can be overridden so each MX can have unique rules there, but the L3 FW rules themselves cannot. https://documentation.meraki.com/Architectures_and_Best_Practices/Cisco_Meraki_Best_Practice_Design/Best_Practice_Design_-_MX_Security_and_SD-WAN/MX_Templates_Best_Practices#Local_Overrides There's a few sections in there that explain this. For your addressing, there is a neat auto allocation feature you can use with templates. It has some limitations in that it picks for you, but if it fits your use case it can make standing these sites up a lot easier. https://documentation.meraki.com/zGeneral_Administration/Templates_and_Config_Sync/Managing_Multiple_Networks_with_Configuration_Templates#MX_-_Template_VLAN_IP_Address_Range_Allocations
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