With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
frSvcCallingSubAddr
Frame Relay Svc Calling Sub Address
1.3.6.1.2.1.10.32.7.1.2.1.23
Indicates the sub-address of the calling party.
Back to ibm-frsvc MIB page.
IPHost Network monitor allows you to monitor frSvcCallingSubAddr 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.