With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frAtmDlciDiscDeCongestedToIfBytes
Frame Relay Atm 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-FrameRelayAtmMIB MIB page.
IPHost Network monitor allows you to monitor frAtmDlciDiscDeCongestedToIfBytes 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 speech servers right now.