With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csqIfStatsExtTable
Cisco Switch QOS If Stats Ext Table
1.3.6.1.4.1.9.9.580.1.5.4
A table containing QoS statistics counters per QoS manageable interface.
Back to CISCO-SWITCH-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor csqIfStatsExtTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.