With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vRouteDegradedSubroutesValue
v Route Degraded Subroutes Value
1.3.6.1.4.1.562.2.4.1.116.310.1.1
This variable represents both the value and the index for the vRouteDegradedSubroutesTable.
Back to Nortel-Magellan-Passport-VoiceNetworkingMIB MIB page.
IPHost Network monitor allows you to monitor vRouteDegradedSubroutesValue 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.