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CCNA 2 v3.0 Module 2 Introduction to Routers

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Objectives

• Operating Cisco IOS Software

• Starting a router

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Operating Cisco IOS Software

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Purpose of Cisco IOS Software

• Basic routing and switching functions

• Reliable and secure access to networked resources

• Network scalability

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Router User Interface

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Router User Interface Modes

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Cisco IOS Naming Conventions

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show flash Command

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Steps in Router Initialization

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Using the setup Command

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Router LED Indicators

Cisco routers use LED indicators to provide status information. Depending on the Cisco router model, the LED indicators vary.

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Examining Initial Bootup Output

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Examining Initial Bootup Output continued

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Examining Initial Bootup Output continued

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Starting a router

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Establishing a Hyperterminal Session

• All Cisco routers include an EIA/TIA-232 asynchronous serial console port (RJ-45).

• Cables and adapters are needed to connect a console terminal (an ASCII terminal or PC running terminal emulation software) to the console port.

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Router Modes

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User Mode Commands

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Privileged Mode Commands

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Unfinished Command

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Using IOS Command history

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The User Interface Error Indicator

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The show version Command