With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrBrNsLastFilter
Virtual Router Br Ns Last Filter
This attribute specifies the name of the filter that is to be applied at the last filter point.
Back to Nortel-Magellan-Passport-BridgeMIB MIB page.
IPHost Network monitor allows you to monitor vrBrNsLastFilter 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.
