With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
lpImaLkSevErroredSec
lp Ima Lk Sev Errored Sec
This attribute counts the number of one second intervals in which at least 30 percent of the IMA Control Protocol (ICP) cells were counted as ICP violations or at least one link defect (physical layer, LIF and LODS defects) was detected. This attribute will not increment during UAS (Unavailable Second) conditions. This attribute will always have a value of 0 if the protocol for the IMA group is proprietary.
Back to Nortel-Magellan-Passport-ImaMIB MIB page.
IPHost Network monitor allows you to monitor lpImaLkSevErroredSec 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 modems right now.