With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniSigLastCauseInStatusMsgReceived
Frame Relay Uni Sig Last Cause In Status Msg Received
This attribute shows the cause value in the last received user's STATUS message to an existing call. The DLCI to which this STATUS message applies is specified in the lastDlciReceivedStatus attribute. The initial value of this attribute is 0 which means that no STATUS message has been received for an existing call yet.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniSigLastCauseInStatusMsgReceived 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 secure routers right now.