With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
trkPaPfcntValue
trk Pa Pfcnt Value
This variable represents an individual value for the trkPaPfcntTable.
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IPHost Network monitor allows you to monitor trkPaPfcntValue 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 secure routers right now.