With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
rtgDpnRowStatusEntry
rtg Dpn Row Status Entry
A single entry in the table represents a single rtgDpn component.
Back to Nortel-Magellan-Passport-DpnRoutingMIB MIB page.
IPHost Network monitor allows you to monitor rtgDpnRowStatusEntry 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.