With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpBgpPeerLastError
Virtual Router Ip Bgp Peer Last Error
This attribute indicates the last error code and subcode seen by this Bgp component instance on this peer connection. The first byte of this two byte OCTET STRING contains the error code, and the second byte contains the subcode. A value of zero means that no error has occurred. Check RFC 1771 for mappings of error codes and error subcodes.
Back to Nortel-Magellan-Passport-BgpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpBgpPeerLastError 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 secure routers right now.