With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnIsrSessSecStatsMaxRxPacWin
appn Isr Sess Sec Stats Max Rx Pac Win
This is the maximum size of the receive pacing window on the session.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnIsrSessSecStatsMaxRxPacWin 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 modems right now.