AdvisorCisco Wireless Access Points/Wireless Lan Controller
It's been recently brought to my attention that if an access point gets renamed that's being managed by a 9800 series WLC it will show up as a new instance the next time active discovery runs instead of updating the existing instance.
I believe this happens due to how SNMP handles the rename and a new instance is created in the OID index but I have yet to confirm other than what I see in my portal.
Now you'll have 2 instances with the same MAC and SN but different names both reporting statuses on your controller. If the AP goes down you'll get 2 alerts.
Outside of it being a manual QA process I'm wondering if anyone else experiences this or has a good suggestion on how to detect duplicates and/or a workaround?
We already had to modify our AP datasource so that AP's are not removed during Active Discovery because when they go down they fall off the OID tree and that was deleting our instances and clearing alarms.
