With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpIpxPSapPInRequests
Virtual Router Passport Ipx P Sap P In Requests
The number of SAP Request packets received on this IpxPort. This counter wraps around to zero after reaching the maximum value of 4294967295.
Back to Nortel-Magellan-Passport-IpxMIB MIB page.
IPHost Network monitor allows you to monitor vrPpIpxPSapPInRequests 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.