With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frMuxDlciApplInfoApplicationName
Frame Relay Mux Dlci Appl Info Application Name
1.3.6.1.4.1.1570.1.4.2.11.1.1
This attribute is the link to the application associated with this Dlci.
Back to Nortel-Magellan-Passport-FrameRelayMuxMIB MIB page.
IPHost Network monitor allows you to monitor frMuxDlciApplInfoApplicationName 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 modems right now.