With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
gvcIfDnaDefaultRecvFrmNetworkWindowSize
General Vc Interface Dna Default Recv Frm Network Window Size
This attribute indicates the default number of data packets that can be received by the DTE from the DCE before more packets can be received. This view is oriented with respect to the DTE.
Back to Nortel-Magellan-Passport-GeneralVcInterfaceMIB MIB page.
IPHost Network monitor allows you to monitor gvcIfDnaDefaultRecvFrmNetworkWindowSize 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.