With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frDteStDlciHqQueuePurgeDiscards
Frame Relay Dte St Dlci Hq Queue Purge Discards
This attribute counts the total number of packets discarded by a queue purge which occurs when the Dlci goes down. 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 frDteStDlciHqQueuePurgeDiscards 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.