With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
tn3270eSrvrConfIndex
tn3270e Srvr Conf Index
1.3.6.1.2.1.34.8.1.1.1.1
Identifier for a single TN3270E server. tn3270eSrvrConfIndex values need not be contiguous.
Back to TN3270E-MIB MIB page.
IPHost Network monitor allows you to monitor tn3270eSrvrConfIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.