With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdmsNumContentElements
Cisco Digital Media Management System Number Content Elements
1.3.6.1.4.1.9.9.655.1.5.1.1
The number of content elements in the DMS catalog.
Back to CISCO-DIGITAL-MEDIA-SYSTEMS-MIB. MIB page.
IPHost Network monitor allows you to monitor cdmsNumContentElements on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.