With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpBgpPeerLocalPort
Virtual Router Ip Bgp Peer Local Port
This attribute indicates the local TCP port for the connection between the BGP peers.
Back to Nortel-Magellan-Passport-BgpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpBgpPeerLocalPort 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 multiplexers right now.