With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpNsLastFilter
Virtual Router Ip Ns Last Filter
lastFilter is the fourth and last filter point to be excecuted after all other routing and filtering decisions have been made on the IP packet, and transmission of the information is imminent. lastFilter is generally used to collect statistics on traffic after all previous control and routing decisions have been made.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpNsLastFilter 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.