With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
friDnaTypeOfAddress
fri Dna Type Of Address
Back to Nortel-Magellan-Passport-CasTestMIB MIB page.
IPHost Network monitor allows you to monitor friDnaTypeOfAddress 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 multiplexers right now.