1. 1 CCNA 2 v3.1 Module 2 Introduction to Routers Claes Larsen, CCAI

2. 222 © 2004, Cisco Systems, Inc. All rights reserved. Objectives

3. 333 © 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

4. 444 © 2004, Cisco Systems, Inc. All rights reserved. Router User Interface

5. 555 © 2004, Cisco Systems, Inc. All rights reserved. Router User Interface Modes

6. 666 © 2004, Cisco Systems, Inc. All rights reserved. Cisco IOS Naming Conventions

7. 777 © 2004, Cisco Systems, Inc. All rights reserved. Operating Cisco IOS Software

8. 888 © 2004, Cisco Systems, Inc. All rights reserved. Steps in Router Initialization

9. 999 © 2004, Cisco Systems, Inc. All rights reserved. Setup Mode

10. 10 © 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.

11. 11 © 2004, Cisco Systems, Inc. All rights reserved. The Initial Router Bootup

12. 12 © 2004, Cisco Systems, Inc. All rights reserved. Examining the Initial Bootup Output

13. 13 © 2004, Cisco Systems, Inc. All rights reserved. Examining the Initial Bootup Output continued

14. 14 © 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

15. 15 © 2004, Cisco Systems, Inc. All rights reserved. Router Modes

16. 16 © 2004, Cisco Systems, Inc. All rights reserved. User Mode Commands

17. 17 © 2004, Cisco Systems, Inc. All rights reserved. Privileged Mode Commands

18. 18 © 2004, Cisco Systems, Inc. All rights reserved. clock set Command

19. 19 © 2004, Cisco Systems, Inc. All rights reserved. Using IOS Command history

20. 20 © 2004, Cisco Systems, Inc. All rights reserved. The User Interface Error Indicator

21. 21 © 2004, Cisco Systems, Inc. All rights reserved. The show version Command