With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dclVsTransmittedAbBits
dcl Vs Transmitted Ab Bits
This attribute indicates the AB bits currently being transmitted.
Back to Nortel-Magellan-Passport-DcmeMIB MIB page.
IPHost Network monitor allows you to monitor dclVsTransmittedAbBits 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.