With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpxProtocolPortCount
Virtual Router Ipx Protocol Port Count
The number of portsknown to this instance of Ipx.
Back to Nortel-Magellan-Passport-IpxMIB MIB page.
IPHost Network monitor allows you to monitor vrIpxProtocolPortCount 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.