With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipCardSessionsOperTable
Channel Interface Processor Card Sessions Operation Table
1.3.6.1.4.1.9.9.33.1.2.2
This table contains the current value for the maximum number of sessions that can be supported on the CMCC card.
Back to CISCO-CIPCSNA-MIB MIB page.
IPHost Network monitor allows you to monitor cipCardSessionsOperTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.