With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
sharedMemRmIfDiscardThreshold
shared Memory Rm If Discard Threshold
1.3.6.1.4.1.9.10.10.1.6.2.1.1
The output queue CLP/EPD threshold for this Service Category on this ATM interface. This is expressed in percent-of-full. Note that 100% full effectively turns off the threshold.
Back to CISCO-ATM-RM-MIB MIB page.
IPHost Network monitor allows you to monitor sharedMemRmIfDiscardThreshold on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.