With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
llcSapStatsDisconnect
llc Sap Stats Disconnect
1.3.6.1.4.1.9.10.8.1.2.3.1.27
This object reflects the total number of normal disconnections that have been performed on this SAP since the SAP was created. A normal disconnection is indicated by a successful DISC/UA exchange or merely a DISC sent or received.
Back to CISCO-SNA-LLC-MIB MIB page.
IPHost Network monitor allows you to monitor llcSapStatsDisconnect on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.