With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpBgpAggregateNetIndex
Virtual Router Ip Bgp Aggregate Net Index
This variable represents the index for the vrIpBgpAggregateNet tables.
Back to Nortel-Magellan-Passport-BgpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpBgpAggregateNetIndex 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.