With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrIpTcpOutSegs
Virtual Router Ip Tcp Out Segs
The number of segments sent, including those on current connections but excluding those containing only retransmitted octets.
Back to Nortel-Magellan-Passport-IpMIB MIB page.
IPHost Network monitor allows you to monitor vrIpTcpOutSegs 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 speech servers right now.