With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrBrNsAteFilterName
Virtual Router Br Ns Ate Filter Name
This attribute specifies the name of the filter to be applied to the frame, if it satisfies the match criteria mentioned in the bridge filter apply table entry.
Back to Nortel-Magellan-Passport-BridgeMIB MIB page.
IPHost Network monitor allows you to monitor vrBrNsAteFilterName 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 modems right now.