With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dpnGateFwdStatsFwdOctetFromIf
dpn Gate Forward Stats Forward Octet From If
This attribute counts the number of forwarding bytes received by the Trunk or DpnGateway. This counter wraps around to zero when the maximum value is exceeded.
Back to Nortel-Magellan-Passport-DpnTrunksMIB MIB page.
IPHost Network monitor allows you to monitor dpnGateFwdStatsFwdOctetFromIf 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.