With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
npiDnaIndex
npi Dna Index
This variable represents the index for the npiDna tables.
Back to Nortel-Magellan-Passport-BaseRoutingMIB MIB page.
IPHost Network monitor allows you to monitor npiDnaIndex 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.