With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniDlciLbLocalDeFrm
Frame Relay Nni Dlci Lb Local De Frm
This attribute records the number of frames with the Discard Eligibility (DE) bit set, looped back to the link since the loopback mode was started.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniDlciLbLocalDeFrm 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.