With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ipxCircNeighInternalNetNum
ipx Circuit Neigh Internal Net Num
1.3.6.1.4.1.23.2.5.2.1.1.28
on a WAN circuit.
Back to ibm-novell-ipx MIB page.
IPHost Network monitor allows you to monitor ipxCircNeighInternalNetNum on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM servers right now.