With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ibmMvsTcpConnSubtask
ibm Mvs Tcp Connection Subtask
The subtask ID represents task that openned the socket and is updated again during bind processing. It is actually the TCB address.
Back to ibm_mainframe-Mvstcpip MIB page.
IPHost Network monitor allows you to monitor ibmMvsTcpConnSubtask on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM storage servers right now.