With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctDnaDefaultSendToNetworkThruputClass
VC Tester Dna Default Send To Network Thruput Class
1.3.6.1.4.1.562.2.4.1.5130.2.13.1.6
This attribute indicates the default send throughput class for all calls using this particular Dna.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctDnaDefaultSendToNetworkThruputClass 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 secure routers right now.