With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cContextMappingVacmContextName
Cisco Context Mapping Vacm Context Name
1.3.6.1.4.1.9.9.468.1.1.1.1
The vacmContextName given to the SNMP context. This is a human readable name identifying a particular SNMP VACM context at a particular SNMP entity. The empty contextName (zero length) represents the default context.
Back to CISCO-CONTEXT-MAPPING-MIB MIB page.
IPHost Network monitor allows you to monitor cContextMappingVacmContextName 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.