With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frNniLtsPatFramePattern
Frame Relay Nni Lts Pat Frame Pattern
This attribute displays the first 20 to 24 bytes of the frame payload, depending on the frame relay header size selected. This attribute represents the frame if it were at least 20 to 24 bytes in size. That is, the actual frame may be smaller.
Back to Nortel-Magellan-Passport-FrameRelayNniMIB MIB page.
IPHost Network monitor allows you to monitor frNniLtsPatFramePattern 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.