With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
trkUnAckedProvTable
trk Un Acked Prov Table
1.3.6.1.4.1.562.2.4.1.60.2.10
This group of provisionable attributes contains the parameters used by Unacknowledged, Utp, and FrAccess for monitoring link quality.
Back to Nortel-Magellan-Passport-UnackTrunksMIB MIB page.
IPHost Network monitor allows you to monitor trkUnAckedProvTable 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.