With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
tn3270eTcpConnRemPort
tn3270e Tcp Connection Remote Port
1.3.6.1.2.1.34.8.1.9.1.3
The remote port associated with a TN3270E client. If a TN3270(E) client is connected to its server via a proxy client the port represented by the value of this object should be the remote client's port, not the proxy client's port.
Back to ibm-tn3270e MIB page.
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