With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
x25DteLcnCugIndex
x25 Dte Logical Channel Number Cug Index
1.3.6.1.4.1.562.2.4.1.90.4.11.1.9
This attribute indicates the index of the Closed User Group facility used in establishing this logical channel.
Back to Nortel-Magellan-Passport-X25DteMIB MIB page.
IPHost Network monitor allows you to monitor x25DteLcnCugIndex 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.
