With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diffServRandomDropMinThreshBytes
Services Differentiated Services Services Random Dropped Minimum Threshold Bytes
1.3.6.1.2.1.97.1.6.4.1.2
The average queue depth in bytes, beyond which traffic has a non-zero probability of being dropped. Changes in this variable may or may not be reflected in the reported value of diffServRandomDropMinThreshPkts.
Back to DIFFSERV-MIB MIB page.
IPHost Network monitor allows you to monitor diffServRandomDropMinThreshBytes 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.