With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpBgpIndbNextHop
Virtual Router Ip Bgp Indb Next Hop
This attribute indicates the IP address of the border router that should be used as the next hop for the destination network.
Back to Nortel-Magellan-Passport-BgpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpBgpIndbNextHop 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.