With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
eventTime
event Time
1.3.6.1.4.1.6302.2.1.5.1.7.3
The date and time at which the alarmed event occurred.
Back to Nortel-Magellan-Passport-AlarmMIB MIB page.
IPHost Network monitor allows you to monitor eventTime 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.