With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
rtgTopNodeLgTrkObjUnresValue
rtg Top Node Lg Trk Obj Unres Value
This variable represents an individual value for the rtgTopNodeLgTrkObjUnresTable.
Back to Nortel-Magellan-Passport-BaseRoutingMIB MIB page.
IPHost Network monitor allows you to monitor rtgTopNodeLgTrkObjUnresValue 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.