With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoSwitchQosIfStatsGroup
cisco Switch Qos If Stats Group
1.3.6.1.4.1.9.9.580.2.2.7
A collection of object which provides drop packets information at an interface.
Back to CISCO-SWITCH-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoSwitchQosIfStatsGroup 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.