With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcRlpIFramesTxDiscarded
gsm Bc Rlp I Frames Tx Discarded
This attribute counts the number of frames discarded by the IWF. Untransmitted and unacknowledged frames are discarded when a Set Asynchronous Balanced Mode (SABM) or Disconnect (DISC) is received or sent in Asynchronous Balanced Mode (ABM) mode. The counter wraps when it exceeds the maximum value.
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IPHost Network monitor allows you to monitor gsmBcRlpIFramesTxDiscarded 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 secure routers right now.