Hi Ritchie,   Everyone on this post should really look at the tool Postman to do bulk modifications via API.   I can update our 40+ MX deployment with the same rules with a simple modification of my put command, simple copy paste then hit send.   Justin ... View more

Hi Ritchie,   You can bulk edit firewalls using the native Cisco Meraki API that utilize Postman.   You can build rules via JSON and use the PUT command to process them.   Check out Cisco Meraki API and Postman. ... View more