With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
atmIfIispAddrAddressIndex
atm If Iisp Address Address Index
This variable represents an index for the atmIfIispAddr tables.
Back to Nortel-Magellan-Passport-AtmIispMIB MIB page.
IPHost Network monitor allows you to monitor atmIfIispAddrAddressIndex 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.