With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frUniLtsPatDefaultHeaderLength
Frame Relay Uni Lts Pat Default Header Length
This attribute specifies the size of the frame relay header in bytes. Passport currently only supports a 2-byte header.
Back to Nortel-Magellan-Passport-FrameRelayUniMIB MIB page.
IPHost Network monitor allows you to monitor frUniLtsPatDefaultHeaderLength 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.