1. 1 © 2004, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.1 Module 4 Learning About Other Devices

2. 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.

3. 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 http://www.cisco.comhttp://www.cisco.com Contact your parent academy!

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

5. 555 © 2004, Cisco Systems, Inc. All rights reserved. Cisco Discovery Protocol (CDP) CDP is media and protocol independent, and runs on all Cisco equipment over the Subnetwork Access Protocol (SNAP).

6. 666 © 2004, Cisco Systems, Inc. All rights reserved. Showing CDP Neighbor Entries

7. 777 © 2004, Cisco Systems, Inc. All rights reserved. Implementation, Monitoring, and Maintenance of CDP

8. 888 © 2004, Cisco Systems, Inc. All rights reserved. The show cdp interface Command

9. 999 © 2004, Cisco Systems, Inc. All rights reserved. The show cdp neighbors Command

10. 10 © 2004, Cisco Systems, Inc. All rights reserved. Creating a Network Map The show cdp neighbors [type number] [detail] command can be used to obtain the following: Device ID — Address Port ID — Capabilities Version — Platform IP network prefix VTP management domain name (CDPv2 only) Native VLAN (CDPv2 only) Full/Half duplex (CDPv2)

11. 11 © 2004, Cisco Systems, Inc. All rights reserved. Disabling CDP

12. 12 © 2004, Cisco Systems, Inc. All rights reserved. Troubleshooting CDP

13. 13 © 2004, Cisco Systems, Inc. All rights reserved. The show cdp traffic Command

14. 14 © 2004, Cisco Systems, Inc. All rights reserved. Telnet

15. 15 © 2004, Cisco Systems, Inc. All rights reserved. Telnet Operations

16. 16 © 2004, Cisco Systems, Inc. All rights reserved. Establishing Telnet Connections To initiate a Telnet session any of the following alternatives can be used: Denver>connect paris Denver>paris Denver>131.108.100.152 Denver>telnet paris A hostname table or access to DNS for Telnet must be present for a name to work. Otherwise, the IP address of the remote router must be entered. Telnet can be used to determine if a remote router can be accessed.

17. 17 © 2004, Cisco Systems, Inc. All rights reserved. Telnet Operations

18. 18 © 2004, Cisco Systems, Inc. All rights reserved. Advanced Telnet Operation Multiple Telnet sessions can be used and suspended with the Ctrl+Shift+6 then x sequence.

19. 19 © 2004, Cisco Systems, Inc. All rights reserved. Testing with the ping Command

20. 20 © 2004, Cisco Systems, Inc. All rights reserved. Testing with the traceroute Command

21. 21 © 2004, Cisco Systems, Inc. All rights reserved. Troubleshooting IP Addressing Issues

22. 22 © 2004, Cisco Systems, Inc. All rights reserved. Summary