1-11 CLI ConfigurationWhen configuring CLI, go to these sections for information you are interested in:z Introduction to the CLIz Command Hierarchyz CLI Viewsz CLI Featuresz Specifying the authentication mode for user level switching is a new feature in this manual. Fordetailed description, see Specifying the authentication mode for user level switching.z Specifying HWTACACS authentication for user level switching is a new feature in this manual. Fordetailed description, see section Adopting HWTACACS authentication for user level switching.Introduction to the CLIA command line interface (CLI) is a user interface to interact with a switch. Through the CLI on a switch,a user can enter commands to configure the switch and check output information to verify theconfiguration. Each S5600 series Ethernet switch provides an easy-to-use CLI and a set ofconfiguration commands for the convenience of the user to configure and manage the switch.The CLI on S5600 series Ethernet switches provides the following features, and so has goodmanageability and operability.z Hierarchical command protection: After users of different levels log in, they can only usecommands at their own, or lower, levels. This prevents users from using unauthorized commandsto configure switches.z Online help: Users can gain online help at any time by entering a question mark (?).z Debugging: Abundant and detailed debugging information is provided to help users diagnose andlocate network problems.z Command history function: This enables users to check the commands that they have latelyexecuted and re-execute the commands.z Partial matching of commands: The system will use partially matching method to search forcommands. This allows users to execute a command by entering partially-spelled commandkeywords as long as the keywords entered can be uniquely identified by the system.