With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mpanlDlciDiscFrameAbit
mpanl Dlci Disc Frame Abit
This attribute counts the number of frame discards at the MPANL Service, due to an inactive PVC status, in the direction toward the network. When this count reaches maximum, it wraps to zero.
Back to Nortel-Magellan-Passport-MpaNetworkLinkMIB MIB page.
IPHost Network monitor allows you to monitor mpanlDlciDiscFrameAbit 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 switches right now.