Hi,
It's possible view with a command the last configuration change either in system and in NVRAM like IOS:
IOS with sh runn config:
Current configuration : 15237 bytes
!
! Last configuration change at 12:55:54 CRC Thu Jul 11 2013 by NXT00055
! NVRAM config last updated at 12:55:55 CRC Thu Jul 11 2013 by NXT00055
---
NX-OS with sh runn config:
!Command: show running-config
!Time: Thu Jul 18 13:49:13 2013
Regards,
