1-11 Configuration File ManagementThe sample output information in this manual was created on the WX3024. The output information onyour device may vary.Introduction to Configuration FileA configuration file records and stores user configurations performed to the device. It also enablesusers to check device configurations easily.Types of configurationThe configuration of a device falls into two types:z Saved configuration, a configuration file used for initialization. If this file does not exist, the devicestarts up without loading any configuration file.z Current configuration, which refers to the user’s configuration during the operation of a device. Thisconfiguration is stored in dynamic random-access memory (DRAM). It is removed when rebooting.Format of configuration fileConfiguration files are saved as text files for ease of reading. They:z Save configuration in the form of commands.z Save only non-default configuration settings.z The commands are grouped into sections by command view. The commands that are of the samecommand view are grouped into one section. Sections are separated by comment lines. (A line is acomment line if it starts with the character “#”.)z The sections are listed in this order: system configuration section, logical interface configurationsection, physical port configuration section, routing protocol configuration section, user interfaceconfiguration, and so on.z End with a return.The operating interface provided by the configuration file management function is user-friendly. With it,you can easily manage your configuration files.Main/backup attribute of the configuration fileMain and backup indicate the main and backup attribute of the configuration file respectively. A mainconfiguration file and a backup configuration file can coexist on the device. As such, when the mainconfiguration file is missing or damaged, the backup file can be used instead. This increases the safetyand reliability of the file system compared with the device that only support one configuration file. You
