With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpxSrvcHopCount
Virtual Router Ipx Srvc Hop Count
Number of hops to the service.
Back to Nortel-Magellan-Passport-IpxMIB MIB page.
IPHost Network monitor allows you to monitor vrIpxSrvcHopCount 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.