With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frDteDlcmiUnknownIe
Frame Relay Dte Dlcmi Unknown Ie
Count of received LMI frames which contained an unsupported Information Element (IE) type. This counter will wrap around to 0 when it exceeds its maximum count.
Back to Nortel-Magellan-Passport-FrameRelayDteMIB MIB page.
IPHost Network monitor allows you to monitor frDteDlcmiUnknownIe 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 multiplexers right now.