With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
lecConfigLocalSegmentID
LAN Emulation Client Config Local Segment ID
1.3.6.1.4.1.353.5.3.1.1.1.1.28
C23c Local Segment ID (configured). The segment ID of the emulated LAN. This is only required for IEEE 802.5 clients that are Source Routing bridges. A setting which this client will use the next time it returns to the Initial State. This MIB object will not be overwritten with the new value from a LE_{JOIN,CONFIGURE}_RESPONSE. Instead, lecActualLocalSegmentID will be.
Back to ibm-lec MIB page.
IPHost Network monitor allows you to monitor lecConfigLocalSegmentID on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM servers right now.