With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniDlciDiscExcessFromIfBytes
Frame Relay Nni Dlci Disc Excess From If Bytes
This attribute counts the bytes which were discarded due to rate enforcement. When the count reaches maximum it wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniDlciDiscExcessFromIfBytes 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.