With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
pppLqmInLqrs
ppp Lqm In Lqrs
1.3.6.1.2.1.10.23.3.11.1.6
This attribute counts the number of link quality reports received. This counter will wrap around to 0 when it exceeds its maximum count.
Back to Nortel-Magellan-Passport-PppMIB MIB page.
IPHost Network monitor allows you to monitor pppLqmInLqrs 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 switches right now.