With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnfTopFlowsSrcPort
cnf Top Flows Src Port
1.3.6.1.4.1.9.9.387.1.7.8.1.10
Source port number.
Back to CISCO-NETFLOW-MIB MIB page.
IPHost Network monitor allows you to monitor cnfTopFlowsSrcPort 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.
