With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIfTableEntryIfInOctets
Virtual Router If Table Entry If In Octets
1.3.6.1.4.1.562.2.4.1.100.10.10.1.5
The total number of octets received on the interface, including framing characters.
Back to Nortel-Magellan-Passport-VirtualRouterMIB MIB page.
IPHost Network monitor allows you to monitor vrIfTableEntryIfInOctets 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 multiplexers right now.