With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniDlciDiscDeCongestedToIfBytes
Frame Relay Nni Dlci Disc De Congested To If Bytes
This attribute counts the number of discard eligible (DE=1) byte discards at the Frame Relay service due to local congestion in the direction toward the link. When the maximum count is reached the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniDlciDiscDeCongestedToIfBytes 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 secure routers right now.