With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cCdmaAhdlcOverflowDropPktsEnc
Cisco Cdma Ahdlc Overflow Dropped Packets Enc
1.3.6.1.4.1.9.9.997.1.1.2.1.15
The number of packets dropped by the engine due to queue overflow during AHDLC encoding since system was last restarted. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of cCdmaAhdlcDiscontinuityTime.
Back to CISCO-CDMA-AHDLC-MIB MIB page.
IPHost Network monitor allows you to monitor cCdmaAhdlcOverflowDropPktsEnc 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.