9 CONFIGURATION FILE MANAGEMENTIntroduction toConfiguration FileConfiguration file records and stores user configurations performed to a switch. Italso enables users to check switch configurations easily.Upon powered on, a switch loads the configuration file known assaved-configuration file, which resides in the Flash, for initialization. If the Flashcontains no configuration file, the system initializes using the default settings.Comparing to saved-configuration file, the configuration file which is currentlyadopted by a switch is known as the current-configuration.A configuration file conforms to the following conventions:■ The content of a configuration files is a series of commands.■ Only the non-default configuration parameters are saved.■ The commands are grouped into sections by command view. The commandsthat are of the same command view are grouped into one section. Sections areseparated by empty lines or comment lines. (A line is a comment line if it startswith the character “#”.)■ The sections are listed in this order: system configuration section, logicalinterface configuration section, physical port configuration section, routingprotocol configuration section, and so on.■ A configuration file ends with a “return”.ConfigurationFile-RelatedOperationsYou can perform the following operations on a Switch 7750:■ Saving the current configuration to a configuration file■ Removing a configuration file from the Flash■ Checking/Setting the configuration file to be used when the switch starts thenext timePerform the following configuration in user view.Table 41 Configure a configuration fileOperation Command DescriptionSave the currentconfiguration in Flashsave [ file-name | safely ] OptionalYou can execute the savecommand in user view.