With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnMaximumTopologyNodes
appn Maximum Topology Nodes
This is the maximum number of Appn network nodes that can be stored in the Topology Database (zero means unlimited).
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnMaximumTopologyNodes on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel modems right now.