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1 © 2004, Cisco Systems, Inc. All rights reserved. Chapter 5 WANs and Routers/ Introduction to Routers.

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Presentation on theme: "1 © 2004, Cisco Systems, Inc. All rights reserved. Chapter 5 WANs and Routers/ Introduction to Routers."— Presentation transcript:

1 1 © 2004, Cisco Systems, Inc. All rights reserved. Chapter 5 WANs and Routers/ Introduction to Routers

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

3 333 © 2004, Cisco Systems, Inc. All rights reserved. Introduction to WANs A WAN is a data communications network that spans a large geographic area such as a state, province, or country.

4 444 © 2004, Cisco Systems, Inc. All rights reserved. WAN Devices

5 555 © 2004, Cisco Systems, Inc. All rights reserved. WAN Services

6 666 © 2004, Cisco Systems, Inc. All rights reserved. Data Link Encapsulations

7 777 © 2004, Cisco Systems, Inc. All rights reserved. Internal Configuration Components

8 888 © 2004, Cisco Systems, Inc. All rights reserved. Routers Connected by WAN Technologies

9 999 © 2004, Cisco Systems, Inc. All rights reserved. Path Determination

10 10 © 2004, Cisco Systems, Inc. All rights reserved. Internetwork Routers Any internetwork must include the following: Consistent end-to-end addressing Addresses that represent network topologies Best path selection Dynamic or static routing Switching

11 11 © 2004, Cisco Systems, Inc. All rights reserved. Academy Approach to Labs In the academy lab, all the networks will be connected with serial or Ethernet cables and the students can see and physically touch all the equipment. Devices that make up the WAN cloud are simulated by the connection between the back-to-back DTE-DCE cables.

12 12 © 2004, Cisco Systems, Inc. All rights reserved. Router Internal Components

13 13 © 2004, Cisco Systems, Inc. All rights reserved. Router Internal Components

14 14 © 2004, Cisco Systems, Inc. All rights reserved. Internal Components of a 2600 Router

15 15 © 2004, Cisco Systems, Inc. All rights reserved. External Connections on a 2600 Router

16 16 © 2004, Cisco Systems, Inc. All rights reserved. Router External Connections

17 17 © 2004, Cisco Systems, Inc. All rights reserved. Computer or Terminal Console Connection

18 18 © 2004, Cisco Systems, Inc. All rights reserved. Modem Connection to Console or Auxiliary Port

19 19 © 2004, Cisco Systems, Inc. All rights reserved. Console Port Connections 1.Configure terminal emulation software on the PC for the following: The appropriate com port 9600 baud 8 data bits No parity 1 stop bit No flow control 2.Connect a rollover cable to the router console port (RJ-45 connector). 3.Connect the other end of the rollover cable to the RJ-45 to DB-9 adapter 4.Attach the female DB-9 adapter to a PC.

20 20 © 2004, Cisco Systems, Inc. All rights reserved. Eight-Pin Connections for Cisco 2600 Series Routers

21 21 © 2004, Cisco Systems, Inc. All rights reserved. WAN Types

22 22 © 2004, Cisco Systems, Inc. All rights reserved. Router Serial WAN Connectors

23 23 © 2004, Cisco Systems, Inc. All rights reserved. DCE Serial Connections

24 24 © 2004, Cisco Systems, Inc. All rights reserved. Summary

25 25 © 2004, Cisco Systems, Inc. All rights reserved. Introduction to Routers

26 26 © 2004, Cisco Systems, Inc. All rights reserved. Objectives

27 27 © 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

28 28 © 2004, Cisco Systems, Inc. All rights reserved. Router User Interface

29 29 © 2004, Cisco Systems, Inc. All rights reserved. Router User Interface Modes

30 30 © 2004, Cisco Systems, Inc. All rights reserved. Cisco IOS Naming Conventions

31 31 © 2004, Cisco Systems, Inc. All rights reserved. Operating Cisco IOS Software

32 32 © 2004, Cisco Systems, Inc. All rights reserved. Steps in Router Initialization

33 33 © 2004, Cisco Systems, Inc. All rights reserved. Setup Mode

34 34 © 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.

35 35 © 2004, Cisco Systems, Inc. All rights reserved. The Initial Router Bootup

36 36 © 2004, Cisco Systems, Inc. All rights reserved. Examining the Initial Bootup Output

37 37 © 2004, Cisco Systems, Inc. All rights reserved. Examining the Initial Bootup Output continued

38 38 © 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

39 39 © 2004, Cisco Systems, Inc. All rights reserved. Router Modes

40 40 © 2004, Cisco Systems, Inc. All rights reserved. User Mode Commands

41 41 © 2004, Cisco Systems, Inc. All rights reserved. Privileged Mode Commands

42 42 © 2004, Cisco Systems, Inc. All rights reserved. clock set Command

43 43 © 2004, Cisco Systems, Inc. All rights reserved. Using IOS Command history

44 44 © 2004, Cisco Systems, Inc. All rights reserved. The User Interface Error Indicator

45 45 © 2004, Cisco Systems, Inc. All rights reserved. The show version Command

46 46 © 2004, Cisco Systems, Inc. All rights reserved. Summary

47 47 © 2004, Cisco Systems, Inc. All rights reserved. Question/Answer


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