With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctsSessionStartedNotifEnable
cts Session Started Notif Enable
1.3.6.1.4.1.9.9.630.1.1.3
This object controls whether the system produces ctsSessionStarted notifications. A 'false' value will prevent ctsSessionStarted notifications from being generated by this system.
Back to CISCO-TELNET-SERVER-MIB MIB page.
IPHost Network monitor allows you to monitor ctsSessionStartedNotifEnable 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.