With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIfTableEntryStdComponentName
Virtual Router If Table Entry Std Component Name
1.3.6.1.4.1.562.2.4.1.100.10.11.1.1
This attribute provides a component name associated with this ifEntry. This component is the source of the data stored in this entry. More data may be determined about this entry by looking at the component associated with this component name.
Back to Nortel-Magellan-Passport-VirtualRouterMIB MIB page.
IPHost Network monitor allows you to monitor vrIfTableEntryStdComponentName 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.