With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
tn3270eTcpConnSrvrConfIndex
tn3270e Tcp Connection Srvr Conf Index
tn3270eSrvrConfIndex of the tn3270eSrvrConfEntry belonging to the TN3270E server to which this entry belongs.
Back to TN3270E-MIB MIB page.
IPHost Network monitor allows you to monitor tn3270eTcpConnSrvrConfIndex 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.