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CCIE Security Exam Certification Guide by Henry Benjamin

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show and debug Commands

Cisco IOS CLI has an enormous amount of show and debug commands available to the privileged EXEC user. This section covers the show and debug commands most often used to manage Cisco IOS devices.

Router CLI

Cisco IOS routers allow network administrators access to a wide range of show and debug commands. The show command displays various information about the router's state of play, such as the Ethernet collisions on a particular interface or a router's configuration file. Only a subset of show commands is available when in User EXEC mode. The full range is available when in privilege EXEC mode (PRIV EXEC mode).

The debug command is a more advanced IOS command that allows the administrator to view the router's analyses ...

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