It's a lot of information. First of all, have you consult the Meraki documentation? Take a look on these best practices: https://documentation.meraki.com/日本語/Architectures_and_Best_Practices/Cisco_Meraki_Best_Practice_Design/Best_Practice_Design_-_MX_Security_and_SD-WAN/General_MX_Best_Practices 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 For the wireless clients, do you have SM? I thonk It's the best way to controll, also you can apply policies by device type, look this: https://documentation.meraki.com/MR/Group_Policies_and_Block_Lists/Applying_Policies_by_Device_Type
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