With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mpanlSigAckTimeout
mpanl Sig Ack Timeout
This attribute counts the number of times the ackTimer has expired. Frequent increments of this counter indicate a problem at the link or improper values have been chosen for ackTimer and ackDelayTimer between the local and remote sides. When this count reaches maximum, it wraps to zero.
Back to Nortel-Magellan-Passport-MpaNetworkLinkMIB MIB page.
IPHost Network monitor allows you to monitor mpanlSigAckTimeout 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.