tailieunhanh - Bài giảng Mạng máy tính nâng cao (Advanced computer networks) - Chapter 03: Managing Cisco IOS software

Objective: Identify the stages of the router boot sequence Determine how a Cisco device locates and loads the Cisco IOS; use the boot system command; identify the configuration register values; briefly describe the files used by the Cisco IOS and their functions. | Chapter03_MANAGING CISCO IOS SOFTWARE Mạng Máy Tính Nâng Cao Objective Identify the stages of the router boot sequence Determine how a Cisco device locates and loads the Cisco IOS Use the boot system command Identify the configuration register values Briefly describe the files used by the Cisco IOS and their functions List the locations on the router of the different file types Briefly describe the parts of the IOS name Save and restore configuration files using TFTP and copy-and-paste Load an IOS image using TFTP Load an IOS image using XModem Verify the file system using show commands Router Boot-up Process There are four major phases to the bootup process: Performing the POST (Power On Seft Test) Loading the bootstrap program Locating and loading the Cisco IOS software Locating and loading the startup configuration file or entering setup mode Router Boot-up Process Router Boot-up Process Router Boot-up Process Verify the router boot-up process: The show version command is used to . | Chapter03_MANAGING CISCO IOS SOFTWARE Mạng Máy Tính Nâng Cao Objective Identify the stages of the router boot sequence Determine how a Cisco device locates and loads the Cisco IOS Use the boot system command Identify the configuration register values Briefly describe the files used by the Cisco IOS and their functions List the locations on the router of the different file types Briefly describe the parts of the IOS name Save and restore configuration files using TFTP and copy-and-paste Load an IOS image using TFTP Load an IOS image using XModem Verify the file system using show commands Router Boot-up Process There are four major phases to the bootup process: Performing the POST (Power On Seft Test) Loading the bootstrap program Locating and loading the Cisco IOS software Locating and loading the startup configuration file or entering setup mode Router Boot-up Process Router Boot-up Process Router Boot-up Process Verify the router boot-up process: The show version command is used to view information about the router during the bootup process. Information includes: Platform model number Image name & IOS version Bootstrap version stored in ROM Image file name & where it was loaded from Number & type of interfaces Amount of NVRAM Amount of flash Configuration register Router Boot-up Process See more Locating IOS Software Configuration register The order in which the router looks for system bootstrap information depends on the boot field setting in the configuration register. The default configuration register setting can be changed with the global configuration mode command config-register. Use a hexadecimal number as the argument for this command Software Components In Memory Fields in the IOS Name See more Managing conf. files using copy and paste To capture the configuration using the text displayed on the HyperTerminal screen to a text file: Select Transfer Select Capture Text Specify the name for the text file to capture the configuration Select Start to start