With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosQueueingCfgAggregateQLimit
Cisco Class Based Qos Queueing Configuration Aggregate Q Limit
1.3.6.1.4.1.9.9.166.1.9.1.1.10
Maximum allowed queue size for all the individual queues associated with this class. When the queue size exceed this value, the packets will be dropped.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosQueueingCfgAggregateQLimit 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.