Can I group devices based on interface alias?
Our organization tags WAN interfaces with the name and circuit ID of the provider. I’m looking to see if I can use this information to create dynamic groups of WAN devices based on provider cloud. D...
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It doesn’t work because that’s an instance level property and the group will contain the whole device. Meaning the group rule must use device level properties. Device level properties include any properties set on the device level, not instance level properties.
As far as accomplishing what you’re looking for, you may look into Service Insight. That allows you to create a “group” with individual instances, including some instances on a device and excluding other instances on the same device.
But you can’t really do it with traditional resource groups, unless you’re ok with the entire device and all its instances being in the group.