With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vctVcLocalTxWindowSize
VC Tester Vc Local Tx Window Size
1.3.6.1.4.1.562.2.4.1.5130.4.10.1.16
This attribute displays the send window size provided on incoming call packets or the default when a call request packet does not explicitly provide the window size.
Back to Nortel-Magellan-Passport-VcTesterMIB MIB page.
IPHost Network monitor allows you to monitor vctVcLocalTxWindowSize 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.