With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
atmIfUniSigCurrentConnections
atm If Uni Sig Current Connections
This attribute indicates the total number of currently active connections.
Back to Nortel-Magellan-Passport-AtmUniMIB MIB page.
IPHost Network monitor allows you to monitor atmIfUniSigCurrentConnections 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.