With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniDlciDiscCongestedFromIf
Frame Relay Nni Dlci Disc Congested From If
This attribute counts the number of frame discards at the Frame Relay service due to local congestion in the direction toward the network. When this count reaches maximum, it wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniDlciDiscCongestedFromIf 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.