With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cieIfStateChangeReason
cie If State Change Reason
1.3.6.1.4.1.9.9.276.1.1.2.1.3
This object displays a human-readable textual string which describes the cause of the last state change of the interface. Examples of the values this object can take are: o 'Lost Carrier' o 'administratively down' o 'up' o 'down'
Back to CISCO-IF-EXTENSION-MIB MIB page.
IPHost Network monitor allows you to monitor cieIfStateChangeReason 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.