With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnDnaCugDnic
appn Dna Cug Dnic
This attribute specifies the dnic (Data Network ID Code) the Cug by which packet networks are identified. This attribute is not applicable if the Cug is a national Cug, as specified by the Cug type attribute. There are usually 1 or 2 dnics assigned per country, for public networks. The U.S. is an exception where each BOC has a dnic. Also, a group of private networks can have its own dnic. dnic value is not an arbitrary number. It is assigned by international agreement and controlled by CCITT.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnDnaCugDnic 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 multiplexers right now.