With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpIpxPIWPNeighbourInternalNetworkNumber
Virtual Router Passport Ipx PIWP Neighbour Internal Network Number
The internal network number of the neighboring router on a WAN circuit.
Back to Nortel-Magellan-Passport-IpxMIB MIB page.
IPHost Network monitor allows you to monitor vrPpIpxPIWPNeighbourInternalNetworkNumber 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 speech servers right now.