With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpFwdNextHopAs
Virtual Router Ip Forward Next Hop Autonomous System
This attribute specifies the Autonomous System number of the Next Hop. If unknown or not relevant to the protocol indicated by the attribute protocol, the value should be zero.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpFwdNextHopAs 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.