With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portIngrPercentUtil
port Ingr Percent Util
1.3.6.1.4.1.351.110.5.1.1.3.1.1.5
Percentage Utilization of the Port in the Ingress direction.
Back to CISCO-WAN-FR-PORT-MIB MIB page.
IPHost Network monitor allows you to monitor portIngrPercentUtil on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.