With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frDteRgMaxTransmissionUnit
Frame Relay Dte Rg Max Transmission Unit
The Maximum Transmission Unit size of the largest datagram (including Frame Relay header) which can be sent on the interface.
Back to Nortel-Magellan-Passport-FrameRelayDteMIB MIB page.
IPHost Network monitor allows you to monitor frDteRgMaxTransmissionUnit 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.