With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctDnaServiceCategory
VC Tester Dna Service Category
1.3.6.1.4.1.562.2.4.1.5130.2.13.1.1
This attribute is assigned for each different type of service within which this Dna is configured. It is placed into the Service Category attribute in the accounting record by both ends of the Vc.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctDnaServiceCategory 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.