With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frAtmUnknownDlciFramesFromIf
Frame Relay Atm Unknown Dlci Frames From If
This attribute contains a count of the number of frames received from the interface with an unknown DLCI (DLCI which is not provisioned). When the maximum is reached the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayAtmMIB MIB page.
IPHost Network monitor allows you to monitor frAtmUnknownDlciFramesFromIf 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.