1 © 2004, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.1 Module 1 WANs and Routers

222 © 2004, Cisco Systems, Inc. All rights reserved. Purpose of This PowerPoint This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1. It was created to give instructors a PowerPoint to take and modify as their own. This PowerPoint is: NOT a study guide for the module final assessment. NOT a study guide for the CCNA certification exam. Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

333 © 2004, Cisco Systems, Inc. All rights reserved. To Locate Instructional Resource Materials on Academy Connection: Go to the Community FTP Center to locate materials created by the instructor community Go to the Tools section Go to the Alpha Preview section Go to the Community link under Resources See the resources available on the Class home page for classes you are offering Search Contact your parent academy!

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

555 © 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.

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

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

888 © 2004, Cisco Systems, Inc. All rights reserved. Data Link Encapsulations

999 © 2004, Cisco Systems, Inc. All rights reserved. Internal Configuration Components

10 © 2004, Cisco Systems, Inc. All rights reserved. Routers Connected by WAN Technologies

11 © 2004, Cisco Systems, Inc. All rights reserved. Path Determination

12 © 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

13 © 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.

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

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

16 © 2004, Cisco Systems, Inc. All rights reserved. Internal Components of a 2600 Router

17 © 2004, Cisco Systems, Inc. All rights reserved. External Connections on a 2600 Router

18 © 2004, Cisco Systems, Inc. All rights reserved. Router External Connections

19 © 2004, Cisco Systems, Inc. All rights reserved. Computer or Terminal Console Connection

20 © 2004, Cisco Systems, Inc. All rights reserved. Modem Connection to Console or Auxiliary Port

21 © 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.

22 © 2004, Cisco Systems, Inc. All rights reserved. Eight-Pin Connections for Cisco 2600 Series Routers

23 © 2004, Cisco Systems, Inc. All rights reserved. WAN Types

24 © 2004, Cisco Systems, Inc. All rights reserved. Router Serial WAN Connectors

25 © 2004, Cisco Systems, Inc. All rights reserved. DCE Serial Connections

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