With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnDluDsStatTxFmdFrames
appn Dlu Ds Statistics Tx Fmd Frames
This attribute counts the number of FMD data frames sent on the session, the counter wraps to zero.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnDluDsStatTxFmdFrames 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 multiplexers right now.