With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cepConfigInterval
Cisco Entity Performance Config Interval
1.3.6.1.4.1.9.9.756.1.2.1.1
This object identifies the time interval for which the performance configuration being applied. The interval values can be current, 1 minute, etc. as specified in the CiscoEntPerfInterval.
Back to CISCO-ENTITY-PERFORMANCE-MIB MIB page.
IPHost Network monitor allows you to monitor cepConfigInterval 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.