With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dpnGateOverridesTable
dpn Gate Overrides Table
Theses attribute comprise the set of provisionable override parameters supported by both the Trunk and DpnGateway components. The attributes are used when reporting operational attributes (used for metric calculations) to the routing system.
Back to Nortel-Magellan-Passport-DpnTrunksMIB MIB page.
IPHost Network monitor allows you to monitor dpnGateOverridesTable 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 modems right now.