With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpRdbMetric
Virtual Router Ip Rdb Metric
This attribute specifies the primary routing metric for this route. The semantics of this metric are determined by the routing protocol specified by the value of the index to this entry protocol. If this metric is not used, its value should be set to -1.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpRdbMetric 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.