With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosTSCfgExtBurstTime
Cisco Class Based Qos Traffic-Shaping Configuration Ext Burst Time
1.3.6.1.4.1.9.9.166.1.13.1.1.10
The amount of traffic, in ms, in excess of the burst limit, which may be conditionnally permitted by traffic-shaping feature. The milli-second value is internally converted to bits by using the bandwidth that is available for the class.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosTSCfgExtBurstTime 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.