With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gvcIfDlciDcOptionsTable
General Vc Interface Dlci Dc Options Table
Options group defines attributes associated with direct call. It defines complete connection in terms of path and call options. This connection can be permanent (PVC).
Back to Nortel-Magellan-Passport-GeneralVcInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor gvcIfDlciDcOptionsTable 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.