CCNA全版PPT1-09-StarRt.ppt

Objectives Upon completing this lesson, you will be able to: Start a router and recognize the normal boot sequence Use the command-line interface to interact with the Cisco IOS software, given an operational router Use the online help facilities associated with the command-line interfaces, given an operational router Initial Startup of the Cisco Router Bootup Output from the Router Setup: The Initial Configuration Dialog Setup Interface Summary Setup Initial Global Parameters Setup Initial Protocol Configurations Setup Interface Parameters Setup Script Review and Use Logging In to the Router Router User-Mode Command List Router Privileged-Mode Command List Router Command-Line Help Facilities Router Context-Sensitive Help Router Context-Sensitive Help (cont.) Enhanced Editing Commands (cont.) Router Command History show version Command Overview of Router Modes Saving Configurations Configuring Router Identification Configuring a Router Password Other Console-Line Commands Configuring an Interface Configuring a Serial Interface Enter Global Configuration Mode Ethernet media-type Command Router show interfaces Command Interpreting the Interface Status Verifying a Serial Interface Configuration Serial Interface show controller Command Disabling or Enabling an Interface Summary The startup of a Cisco router requires that you verify the physical installation, power up the router, and view the Cisco IOS software output on the console. The router startup sequence is similar to the startup sequence of the Catalyst switch. The router first performs POST, then it finds and loads the IOS image. Finally, it finds and loads the device configuration file. Use the enable command to access the privileged EXEC mode from the user EXEC mode. Summary (Cont.) The Cisco router uses Cisco IOS software with extensive command-line input help facilities, including context-sensitive help. The Cisco IOS CLI includes an enhanced editing mode that provides a set of editing key function