With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipTcpOutSegs
Cisco Channel Interface Processor Tcp Out Segments
1.3.6.1.4.1.9.9.32.1.2.1.1.11
The total number of segments sent, including those on current connections but excluding those containing only retransmitted octets.
Back to CISCO-CIPTCPIP-MIB MIB page.
IPHost Network monitor allows you to monitor cipTcpOutSegs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.