With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcL2RCopBytesTx
gsm Bc L2 R Cop Bytes Tx
This attribute counts the number of data bytes relayed by Layer2 Relay in the transmit direction (towards the network). The counter wraps when it exceeds the maximum value.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmBcL2RCopBytesTx 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.