With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
traceSessionRowStatus
trace Session Row Status
This variable is used as the basis for SNMP naming of traceSession components. These components cannot be added nor deleted.
Back to Nortel-Magellan-Passport-TraceBaseMIB MIB page.
IPHost Network monitor allows you to monitor traceSessionRowStatus 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.