With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alBwMgmtStatInDroppedBytes
ALTIGA Bandwidth Management Statistics In Dropped Bytes
1.3.6.1.4.1.3076.2.1.2.47.2.1.7
The counter of bytes which exceeded this rate limit.
Back to ALTIGA-BMGT-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alBwMgmtStatInDroppedBytes 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.