With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
nhrpNextHopResNbmaAddrType
nhrp Next Hop Resolution Nbma Address Type
1.3.6.1.3.9999.1.1.1.1.5
The NBMA address type of this Next Hop Resolution Cache entry. The value of this object indicates how to interpret the values of nhrpNextHopResNbmaAddr and nhrpNextHopResNbmaSubaddr.
Back to ibm-nhrp MIB page.
IPHost Network monitor allows you to monitor nhrpNextHopResNbmaAddrType on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM computers right now.