With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ipoaArpSrvrAddr
ipoa Arp Srvr Address
1.3.6.1.3.78.1.5.1.1
The ATM address of the ATMARP server.
Back to ibm-ipoa MIB page.
IPHost Network monitor allows you to monitor ipoaArpSrvrAddr 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.