With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcV110DataRate
gsm Bc V110 Data Rate
This attribute contains the layer 1 user data rate for the currently active call for this GsmIwfBearerChannel. This is the data rate between the IWF and the fixed network.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmBcV110DataRate 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.