With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipTcpCurrEstab
Cisco Channel Interface Processor Tcp Current Estab
1.3.6.1.4.1.9.9.32.1.2.1.1.9
The number of TCP connections for which the current state is either ESTABLISHED or CLOSE- WAIT.
Back to CISCO-CIPTCPIP-MIB MIB page.
IPHost Network monitor allows you to monitor cipTcpCurrEstab on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.