Cisco SR224T Administration Guide - Page 30
Files and File Types, Running Configuration, Startup Configuration
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Managing System Files Types of System Files 4 When a configuration is referenced on the switch, it is referenced by its configuration file type (such as Startup Configuration or Running Configuration), as opposed to a file name that can be modified by the user. Content can be copied from one configuration file type to another, but the names of the file types cannot be changed by the user. Other files on the device include firmware, boot code, and log files, and are referred to as operational files. The configuration files are text files and can be edited in a text editor, such as Notepad after they are copied to an external device, such as a PC. Files and File Types The following types of configuration and operational files are found on the switch: • Running Configuration-Contains the parameters currently being used by the switch to operate. This is the only file type that is modified when you change parameter values on the device. If the switch is rebooted, the Running Configuration is lost. The Startup Configuration, stored in Flash, overwrites the Running Configuration, stored in RAM. To preserve any changes you made to the switch, you must save the Running Configuration to the Startup Configuration, or another file type. • Startup Configuration-The parameter values that were saved by copying another configuration (usually the Running Configuration) to the Startup Configuration. The Startup Configuration is retained in Flash and is preserved when the switch is rebooted. At this time, the Startup Configuration is copied to RAM and identified as the Running Configuration. • Mirror Configuration-A copy of the Startup Configuration, created by the switch when the following conditions exist: - The switch has been operating continuously for 24 hours. - No configuration changes have been made to the Running Configuration in the previous 24 hours. - The Startup Configuration is identical to the Running Configuration. Only the system can copy the Startup Configuration to the Mirror Configuration. However, you can copy from the Mirror Configuration to other file types or to another device. Cisco Small Business 200 Series Smart Switch Administration Guide 31