I'm trying to unmanage all virtual interfaces (VLAN & BVI) from DFM v.2
I've created a custom interface group that got them all and disabled all threshold.
However I still those interfaces as managed and receive Unresponsive alert that I don't want to see for such interfaces.
How can I tweak the managed/unamanged interface behaviour?
You can unmanage interfaces in the GUI under DFM > Device Management > Device Details. However, to unmanage interfaces in bulk, you will probably want to use the bulk management scripts in NMSROOT/objects/smarts/utils.
Attached are the instructions for using these scripts.