With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrSnmpMibIIStatsOutNoSuchNames
Virtual Router Snmp Mib II Stats Out No Such Names
This attribute counts the SNMPv1 responses generated by the SNMP management entity with an error status field of noSuchName.
Back to Nortel-Magellan-Passport-BaseSnmpMIB MIB page.
IPHost Network monitor allows you to monitor vrSnmpMibIIStatsOutNoSuchNames 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.