With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frMuxLmiIndex
Frame Relay Mux Lmi Index
1.3.6.1.4.1.1570.1.3.1.1.10
This variable represents the index for the frMuxLmi tables.
Back to Nortel-Magellan-Passport-FrameRelayMuxMIB MIB page.
IPHost Network monitor allows you to monitor frMuxLmiIndex 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.