With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnDnaDataNetworkAddress
appn Dna Data Network Address
Dna attribute contains digits which form unique identifier of the customer interface. It can be compared (approximation only) to telephone number where phone number identifies unique telephone set. Dna digits are selected and assigned by network operators.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnDnaDataNetworkAddress 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 switches right now.