With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswTConnTcpOperPrefTcpConnections
cisco Data Link Switching T Connection Tcp Operation Preference Tcp Connections
1.3.6.1.4.1.9.10.9.1.2.4.1.2.1.2
This is the number of TCP connections preferred by this DLSw partner, as received in its capabilities exchange message.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswTConnTcpOperPrefTcpConnections 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.