With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cegBuffersTimedOut
Evolved Packet Core Gateway Buffers Timed Out
1.3.6.1.4.1.9.9.731.1.1.2.3
This object represents the total number of buffers that got timed out, at buffering agent. A buffer is timed out when the discard timer cegBufferDiscardDataTime expires.
Back to CISCO-EPC-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cegBuffersTimedOut 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.