In advance of deploying DNAC I'm trying to figure out VTL, but can't get loops to work when using variables. This is on one of the reserved instances of DNAC on Devnet. I got the idea from this post by Adam Radford. Even when I try exactly what he do...

Occasionally WCS will throw the following error:   AP Impersonation of MAC 'Redacted' using source MAC  'Redacted' is detected by authenticated AP 'Redacted' on  '802.11b/g' radio and Slot ID '0'. We are running version 7.0.172.0  and the only thing ...