With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
proBrsClassPkts
pro Brs Class Packets
1.3.6.1.4.1.1.1.7.1.1.3.1.5
The number of packets transmitted in this class.
Back to ibm-brs MIB page.
IPHost Network monitor allows you to monitor proBrsClassPkts 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.