With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniTraceSession
Frame Relay Uni Trace Session
This attribute is set automatically. It identifies the Trace Session component which is forwarding the trace data. This attribute is empty unless a trace is active.
Back to Nortel-Magellan-Passport-FrameRelayUniTraceMIB MIB page.
IPHost Network monitor allows you to monitor frUniTraceSession 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 modems right now.