With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswTConnOperDiscTime
cisco Data Link Switching T Connection Operation Disconnect Time
1.3.6.1.4.1.9.10.9.1.2.3.1.18
The value of ciscoDlswUpTime when ciscoDlswTConnOperState last entered `disconnected' state.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswTConnOperDiscTime 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.
