With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctspDefIpHwDropPkts
ctsp Default Ip Hw Drop Packets
1.3.6.1.4.1.9.9.713.1.1.3.2.1.3
This object indicates the number of hardware-forwarded IP packets which are dropped by default unicast policy.
Back to CISCO-TRUSTSEC-POLICY-MIB MIB page.
IPHost Network monitor allows you to monitor ctspDefIpHwDropPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.