With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnLcnVcSubnetRxPktSize
appn Logical Channel Number Vc Subnet Rx Packet Size
This attribute displays the locally negotiated size of receive packets.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnLcnVcSubnetRxPktSize 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.