With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIfTableEntryIfInUcastPkts
Virtual Router If Table Entry If In Ucast Packets
1.3.6.1.4.1.562.2.4.1.100.10.10.1.11
The number of subnetwork-unicast packets delivered to a higher-layer protocol.
Back to Nortel-Magellan-Passport-VirtualRouterMIB MIB page.
IPHost Network monitor allows you to monitor vrIfTableEntryIfInUcastPkts 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.