1© 2004, Cisco Systems, Inc. All rights reserved.

CCNA 2 v3.1 Module 2 Introduction to Routers

222© 2004, Cisco Systems, Inc. All rights reserved.

The Purpose of Cisco IOS Software

• Basic routing and switching functions

• Reliable and secure access to networked resources

• Network scalability

333© 2004, Cisco Systems, Inc. All rights reserved.

Router User Interface

444© 2004, Cisco Systems, Inc. All rights reserved.

Router User Interface Modes

555© 2004, Cisco Systems, Inc. All rights reserved.

Cisco IOS Naming Conventions

666© 2004, Cisco Systems, Inc. All rights reserved.

Operating Cisco IOS Software

777© 2004, Cisco Systems, Inc. All rights reserved.

Steps in Router Initialization

888© 2004, Cisco Systems, Inc. All rights reserved.

Setup Mode

999© 2004, Cisco Systems, Inc. All rights reserved.

Router LED Indicators

Cisco routers use LED indicators to provide status information. LED indicators will vary for different Cisco router models.

101010© 2004, Cisco Systems, Inc. All rights reserved.

The Initial Router Bootup

111111© 2004, Cisco Systems, Inc. All rights reserved.

Examining the Initial Bootup Output

121212© 2004, Cisco Systems, Inc. All rights reserved.

Examining the Initial Bootup Output continued

131313© 2004, Cisco Systems, Inc. All rights reserved.

Establish a Console Session

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

• Use an RJ-45 to RJ45 rollover cable with a female RJ-45 to DB-9 adapter to connect a PC to the console port

141414© 2004, Cisco Systems, Inc. All rights reserved.

Router Modes

151515© 2004, Cisco Systems, Inc. All rights reserved.

User Mode Commands

161616© 2004, Cisco Systems, Inc. All rights reserved.

Privileged Mode Commands

171717© 2004, Cisco Systems, Inc. All rights reserved.

clock set Command

181818© 2004, Cisco Systems, Inc. All rights reserved.

Using IOS Command history

191919© 2004, Cisco Systems, Inc. All rights reserved.

The User Interface Error Indicator

202020© 2004, Cisco Systems, Inc. All rights reserved.

The show version Command

212121© 2004, Cisco Systems, Inc. All rights reserved.

Summary