With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
atmIfVptIispAddrScope
atm If Vpt Iisp Address Scope
This attribute indicates the scope of the ATM address, which is the highest level to which this address will be advertised in the PNNI hierarchy. If no PnniInfo subcomponent has been provisioned, then the scope will default to the level of this node in the PNNI hierarchy. If this node does not participate in a PNNI hierarchy, then this attribute will have the value of -1.
Back to Nortel-Magellan-Passport-AtmIispMIB MIB page.
IPHost Network monitor allows you to monitor atmIfVptIispAddrScope 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.