With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frMuxLmiFullStatusEnqToIf
Frame Relay Mux Lmi Full Status Enq To If
1.3.6.1.4.1.1570.1.3.13.1.2
This attribute counts the number of full STATUS ENQUIRY messages sent to the interface. When the maximum count is reached it wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayMuxMIB MIB page.
IPHost Network monitor allows you to monitor frMuxLmiFullStatusEnqToIf 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 switches right now.