With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrNsStorageType
Virtual Router Ns Storage Type
This variable represents the storage type value for the vrNs tables.
Back to Nortel-Magellan-Passport-NetSentryMIB MIB page.
IPHost Network monitor allows you to monitor vrNsStorageType 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.