With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ibmBbcmProtocolCacheAge
ibm Bbcm Protocol Cache Age
1.3.6.1.4.1.2.5.8.4.2.1.3.1.4
The number of minutes a protocol is cached by BBCM before being added due to inactivity.
Back to ibm-ibmlanex MIB page.
IPHost Network monitor allows you to monitor ibmBbcmProtocolCacheAge 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.