With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frDteLeqForcedPktDiscards
Frame Relay Dte Leq Forced Packet Discards
This attribute counts the total number of hardware forced packets that had to be discarded due to link failure. This counter will wrap around to 0 when it exceeds its maximum count.
Back to Nortel-Magellan-Passport-FrameRelayDteMIB MIB page.
IPHost Network monitor allows you to monitor frDteLeqForcedPktDiscards 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.