I have a production network using a config template which has vlans that are variably subnetted into /24 networks from a larger pool of /18's. I'm in need of changing some aspects of this network's configuration. I cloned this template so I could configure these changes, but I wish many of the vlan's and their subnets remain the same. What is the best way of accomplishing this without affecting production? My concern is that when I apply this cloned template, the production networks will receive a different subnet from the pool of /18. Is there a way to ensure they keep the subnets currently assigned to the original template configuration?
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