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Chapter 8 - Troubleshooting

Cisco TCP/IP Routing Professional Reference
Chris Lewis
  Copyright © 1999 The McGraw-Hill Companies, Inc.

Summary
In this chapter, we presented a troubleshooting blueprint that recommends that you start troubleshooting from the Physical layer, then move up the OSI layers through the Data Link and Network layers to the network application. The basic troubleshooting scenario presented in Chap. 3 was reviewed, followed by troubleshooting for serial interfaces, asynchronous communications, Ethernet, Token-Ring, frame relay, and X.25 protocols.

 


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