With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpIpPortNsIncomingFilter
Virtual Router Passport Ip Port Ns Incoming Filter
An ASCII string which provides the name of the NetSentry filter which will be applied to all IP datagrams arriving from this IpPort.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrPpIpPortNsIncomingFilter 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.