With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIfTableEntryIfOutNuCastPkts
Virtual Router If Table Entry If Out Nu Cast Packets
1.3.6.1.4.1.562.2.4.1.100.10.10.1.14
The total number of packets that higher level protocols request be transmitted to a non-unicast address, including those that were discarded or not sent.
Back to Nortel-Magellan-Passport-VirtualRouterMIB MIB page.
IPHost Network monitor allows you to monitor vrIfTableEntryIfOutNuCastPkts 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 secure routers right now.