With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
trkDprsStatsIndex
trk Dprs Stats Index
This variable represents the index for the trkDprsStats tables.
Back to Nortel-Magellan-Passport-TrunksMIB MIB page.
IPHost Network monitor allows you to monitor trkDprsStatsIndex 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.