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Cisco Wireless Controller - WLC 5520

Hey everyone,

I'm looking for a way to alert on the condition when a thin access point disappears from the Wireless Controller. I'm not sure if this is possible to get that granular with alerts.

Thanks

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jm_sysadmin

Maybe? I haven't tried it but this is what I would do.

Annotation 2020-02-25 144336.png

bobmarley

We just add them as ICMP only nodes and use a node down alert to determine when they are offline.

While we do get syslog messages when these go up/down we don't have anything in place to reference these messages back to a master list of access points.

I would like to know how others are working this issue as well?

superfly

There's an out-of-the-box alert called Thin AP down. It works a treat for when an AP goes down. But if it stays down for a long time, you don't get an up alert when it comes back online.

wesleykparker

I've noticed you've posted this a few times while searching for WLC issues. I believe this behavior is due to this global setting "RemoveDisappearedAPs" being set to default. The default action is for Solarwinds to delete APs from the database once they disappear from a controller. I usually change this setting to not delete them. If you make that change, you will get alerts when your APs return to the controller.

http://YOUR_SERVER/Orion/Admin/AdvancedConfiguration/Global.aspx

RemoveDisappearedAPs - (uncheck to not remove APs)