With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ibmSEHoldTime
ibm SE Hold Time
1.3.6.1.4.1.2.5.8.4.1.4.1.10
This time value determines the interval length during which no more than two Configuration bridge PDUs shall be transmitted by this node, in units of hundredths of a second.
Back to ibm-ibmlanex MIB page.
IPHost Network monitor allows you to monitor ibmSEHoldTime 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.