With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
apsProtocolFailureAlarm
aps Protocol Failure Alarm
This attribute indicates whether the Aps component is experiencing an APS protocol failure alarm. Protocol failure alarms include the protection switching byte mismatch alarm (code 7011 5270) and the channel mismatch failure alarm (code 7011 5271).
Back to Nortel-Magellan-Passport-ApsMIB MIB page.
IPHost Network monitor allows you to monitor apsProtocolFailureAlarm 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.