With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gvcIfDnaDdmIndex
General Vc Interface Dna Ddm Index
This variable represents the index for the gvcIfDnaDdm tables.
Back to Nortel-Magellan-Passport-GeneralVcInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor gvcIfDnaDdmIndex 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.