With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdmsInventoryElementMetadata
Cisco Digital Media Management System Inventory Element Metadata
1.3.6.1.4.1.9.9.655.1.3.2.1.6
A meta-data string associated with this inventory element. This information is interpreted by the DMS functional components using inventory elements programmatically within the system.
Back to CISCO-DIGITAL-MEDIA-SYSTEMS-MIB. MIB page.
IPHost Network monitor allows you to monitor cdmsInventoryElementMetadata on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.