With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniInvalidHeaderFramesFromIf
Frame Relay Uni Invalid Header Frames From If
This attribute counts the number of frames received from the interface with an invalid header format. When the maximum is reached the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniInvalidHeaderFramesFromIf 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.