With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpIpPortLogicalIfOspfIfBackupDesignatedRouter
Virtual Router Passport Ip Port Logical If Ospf If Backup Designated Router
The Ip address of the backup designated router
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrPpIpPortLogicalIfOspfIfBackupDesignatedRouter 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.