With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
shelfCardMemoryUsageEntry
shelf Card Memory Usage Entry
1.3.6.1.4.1.43.1.12.3.1.1.2.2.245.1
An entry in the shelfCardMemoryUsageTable.
Back to Nortel-Magellan-Passport-ShelfMIB MIB page.
IPHost Network monitor allows you to monitor shelfCardMemoryUsageEntry 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 multiplexers right now.