With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpxFwdNextHopPhysAddress
Virtual Router Ipx Forward Next Hop Phys Address
The physical address of the next hop
Back to Nortel-Magellan-Passport-IpxMIB MIB page.
IPHost Network monitor allows you to monitor vrIpxFwdNextHopPhysAddress 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 multiplexers right now.