With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
tn3270eTcpConnLocalPort
tn3270e Tcp Connection Local Port
1.3.6.1.2.1.34.8.1.9.1.6
The remote port associated with a TN3270E client.
Back to ibm-tn3270e MIB page.
IPHost Network monitor allows you to monitor tn3270eTcpConnLocalPort on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM switches right now.