With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniDlciFrmFromIf
Frame Relay Uni Dlci Frm From If
This attribute counts the frames received from the interface. It includes the frames that are discarded due to error or excess. When the maximum count is reached the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniDlciFrmFromIf 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 multiplexers right now.