With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdcDGIndex
Cisco Data Collection Data Group Index
1.3.6.1.4.1.9.9.312.1.2.1.1.1
An arbitrary integer used to uniquely identify this entry. When creating an entry, a management application should pick a random number.
Back to CISCO-DATA-COLLECTION-MIB MIB page.
IPHost Network monitor allows you to monitor cdcDGIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.