Table of Contents
Chapter 16: Switch Troubleshooting
Using the show log Command on a Set/Clear Command−Based IOS................................................336
Configuring SPAN for Port Monitoring on a Set/Clear Command−Based IOS.................................337
Configuring SPAN for VLAN Monitoring on a Set/Clear Command−Based IOS.............................337
Launching the Diagnostic Console on a Cisco 1900 or 2820 Series Switch.......................................337
Using the Diagnostic Console to Upgrade the Firmware on a Cisco 1900 or 2820 Series Switch.....338
Using the Diagnostic Console for Debugging the Firmware and Hardware.......................................339
Appendix A: Study Resources.......................................................................................................................341
Books...................................................................................................................................................341
Cisco Group Study and Users Groups.................................................................................................341
Live Cisco Training/Internet−Based Labs/Study Resources...............................................................341
Online Resources.................................................................................................................................342
Asynchronous Transfer Mode.......................................................................................................342
Cisco IOS......................................................................................................................................342
Hot Standby Router Protocol........................................................................................................342
Inter−Switch Link.........................................................................................................................342
IP Multicast...................................................................................................................................342
Multilayer Switching.....................................................................................................................342
Quality of Service..........................................................................................................................343
Spanning Tree Protocol.................................................................................................................343
TACACS+.....................................................................................................................................343
VLANs..........................................................................................................................................343
Standards Organizations......................................................................................................................343
Cisco Job Search Sites.........................................................................................................................344
Appendix B: Basic IOS CLI−to−Set/Clear Commands..............................................................................345
Overview..............................................................................................................................................345
Appendix C: The Cisco Consultant...............................................................................................................347
Overview..............................................................................................................................................347
Establishing Credibility.......................................................................................................................347
Come Off As an Expert.................................................................................................................348
Designing a Solution............................................................................................................................348
Estimating the Cost.......................................................................................................................349
Presenting the Final Proposal and Creating Expectations.............................................................349
Contracting...........................................................................................................................................350
Document, Document, Document........................................................................................................350
The Way to Fail...................................................................................................................................350
Failing to Be There When Promised, or Rushing through the Job................................................350
Failing to Manage Your Time.......................................................................................................351
Assuming You Know What the Customer Needs.........................................................................351
Failing to Take Responsibility......................................................................................................352
Conclusion...........................................................................................................................................352
Appendix D: Cisco 1912EN and Catalyst 5000 Configuration Practice Lab............................................353
Required Equipment............................................................................................................................353
Lab Objectives.....................................................................................................................................354
Possible Solution..................................................................................................................................355
The 1912 Basic Configuration......................................................................................................355
The Catalyst 5000 Basic Configuration........................................................................................357
Configuring the Cisco 2621 Interface for ISL Trunking...............................................................358
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