With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbQosREDTransmitPkt64
Cisco Class Based Qos RED Transmit Pkt64
1.3.6.1.4.1.9.9.166.1.20.1.1.15
The 64 bits count of packets transmitted.
Back to CISCO-CLASS-BASED-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor cbQosREDTransmitPkt64 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.