With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
tn3270eSrvrPort
tn3270e Srvr Port
1.3.6.1.2.1.34.8.1.2.1.1
Indicates a port assigned to a server.
Back to TN3270E-MIB MIB page.
IPHost Network monitor allows you to monitor tn3270eSrvrPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.