With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frDteStDlciHqMulThresholdExceeded
Frame Relay Dte St Dlci Hq Mul Threshold Exceeded
This attribute counts the number of packets discarded due to the queueMulticastThreshold being exceeded. This counter will wrap around to 0 when it exceeds its maximum count.
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IPHost Network monitor allows you to monitor frDteStDlciHqMulThresholdExceeded 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 speech servers right now.