With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniLmiCheckPointTimer
Frame Relay Nni Lmi Check Point Timer
This attribute selects the time (in seconds) within which a STATUS ENQUIRY message is expected. It must be greater than linkVerificationTimer (t391).
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniLmiCheckPointTimer 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.