With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csqPolicerUsageEntry
Cisco Switch QOS Policer Usage Entry
1.3.6.1.4.1.9.9.580.1.6.1.1
Each row contains the policer usage information for every module, denoted by its entPhysicalIndex, which is capable of providing this information.
Back to CISCO-SWITCH-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor csqPolicerUsageEntry 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.