With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vsLCoBytesFromNetwork
vs L Co Bytes From Network
1.3.6.1.4.1.562.2.4.1.80.4.11.1.4
This attribute counts the number of bytes received from the remote LCo via the network.
Back to Nortel-Magellan-Passport-VoiceMIB MIB page.
IPHost Network monitor allows you to monitor vsLCoBytesFromNetwork 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.