With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ibmnetuGraphicTable
ibmnetu Graphic Table
1.3.6.1.4.1.2.6.150.3.1.2
A table of information mapping a slot and port to an interface table ifIndex. An entry exists in this table only if the ifConnectorPresent object is true
Back to ibm-ibmnetu MIB page.
IPHost Network monitor allows you to monitor ibmnetuGraphicTable 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.