With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
llcCcOperAckTimer
llc Cc Operation Ack Timer
1.3.6.1.3.51.1.3.2.1.8
This object denotes the value for the time interval during which this LLC shall expect to receive either: 1) an acknowledgement to one or more outstanding I PDUs. or 2) a response PDU to an unnumbered command PDU. The expiration of this timer shall cause the frame unacknowledged frames to be retransmitted (up to N2 times).
Back to ibm-llc MIB page.
IPHost Network monitor allows you to monitor llcCcOperAckTimer 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.