With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
atmIfVptIispSigPeakPmpConnections
atm If Vpt Iisp Sig Peak Pmp Connections
This attribute indicates the high water mark of active point-to- multipoint connections.
Back to Nortel-Magellan-Passport-AtmIispMIB MIB page.
IPHost Network monitor allows you to monitor atmIfVptIispSigPeakPmpConnections 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.