Question : Why does MAC ACLs created on Master don't get synchronized to Standby?
Environment : Any Master-Standby topology with MAC ACLs in use.
Answer : MAC acls are local configuration in Aruba Controller. The reason is this is a Layer 2 acl which may be specific to a local controller. Making this global could potentially trigger lot ofas customer may configure mac acls for the specific controller.
If required; MAC ACLs should be manually configured on the Standby controller.