With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gsmBcFramerOverruns
gsm Bc Framer Overruns
This attribute counts the total number of frames received from the link for which overruns occurred. The counter wraps when it exceeds the maximum value.
Back to Nortel-Magellan-Passport-GsmIwfMIB MIB page.
IPHost Network monitor allows you to monitor gsmBcFramerOverruns 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.