With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniLmiLinkVerificationTimer
Frame Relay Nni Lmi Link Verification Timer
This attribute specifies how frequently the Frame Relay NNI service should initiate a Status Enquiry for link integrity verification. It must be less than checkPointTimer (t392).
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniLmiLinkVerificationTimer 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.