With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
traceSessionFramesSent
trace Session Frames Sent
This attribute counts the number of traced frames sent to the VC. The counter wraps when it exceeds its maximum value.
Back to Nortel-Magellan-Passport-TraceBaseMIB MIB page.
IPHost Network monitor allows you to monitor traceSessionFramesSent 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.