With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gvcIfDiscardedQllcCalls
General Vc Interface Discarded Qllc Calls
This attribute indicates the number of Qllc calls that are discarded because the maxActiveLinkStation threshold is exceeded. When the maximum count is exceeded the count wraps to zero.
Back to Nortel-Magellan-Passport-GeneralVcInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor gvcIfDiscardedQllcCalls 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.