With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ifLinkUpDownTrapEnable
if Link Up Down Trap Enable
1.3.6.1.2.1.31.1.1.1.14
Indicates whether linkUp/linkDown traps should be generated for this interface. By default, this object should have the value enabled(1) for interfaces which do not operate on 'top' of any other interface (as defined in the ifStackTable), and disabled(2) otherwise.
Back to ibm_mainframe-Ifmib MIB page.
IPHost Network monitor allows you to monitor ifLinkUpDownTrapEnable on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM computers right now.