With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mpanlDlciBciFromSubnet
mpanl Dlci Bci From Subnet
This attribute counts the frames received from the network with the Backward Congestion Indication (BCI) bit set. When the count reaches maximum it wraps to zero.
Back to Nortel-Magellan-Passport-MpaNetworkLinkMIB MIB page.
IPHost Network monitor allows you to monitor mpanlDlciBciFromSubnet 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.