With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpEgpNbrStateDowns
Virtual Router Ip Egp Neighbor State Downs
The number of EGP state transitions from the UP state to any other state with this EGP peer. This counter will wraparound once the value reaches the maximum value.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpEgpNbrStateDowns 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.