With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnIsrSessSecStatsRxDataFrames
appn Isr Sess Sec Stats Rx Data Frames
This is the number of normal flow data frames received on the session, the counter wraps to zero.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnIsrSessSecStatsRxDataFrames 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.