With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dpnGateTrunkPktToIf
dpn Gate Trunk Packet To If
This attribute counts the number of internal trunk protocol packets transmitted to the remote module. This counter wraps around to zero when the maximum value is reached.
Back to Nortel-Magellan-Passport-DpnTrunksMIB MIB page.
IPHost Network monitor allows you to monitor dpnGateTrunkPktToIf 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.