With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frAtmDlciExcessBytesFromIf
Frame Relay Atm Dlci Excess Bytes From If
This attribute counts the number of bytes received from the interface with the Discard Eligibility (DE) bit clear, but subsequently set by the network due to rate enforcement. When the maximum count is reached, the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayAtmMIB MIB page.
IPHost Network monitor allows you to monitor frAtmDlciExcessBytesFromIf 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.