With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cseFlowDataPkts
CISCO SWITCH ENGINE Flow Data Packets
1.3.6.1.4.1.9.9.97.1.2.9.1.13
A snapshot value of the number of packets forwarded on this flow at the time of corresponding query.
Back to CISCO-SWITCH-ENGINE-MIB MIB page.
IPHost Network monitor allows you to monitor cseFlowDataPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.