With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
traceRcvrFrDnaDefaultRecvFrmNetworkPacketSize
trace Receiver Fr Dna Default Recv Frm Network Packet Size
This attribute specifies the default local receive packet size from network to DTE for calls using this particular Dna.
Back to Nortel-Magellan-Passport-FrTraceRcvrMIB MIB page.
IPHost Network monitor allows you to monitor traceRcvrFrDnaDefaultRecvFrmNetworkPacketSize 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.