Chapter 6. Introduction to Troubleshooting Routing Protocols
This chapter covers the following subjects:
Layer 3 Troubleshooting: This section begins by reviewing basic routing concepts. For example, you examine the changes to a frame’s header as that frame’s data is routed from one network to another. You see how Layer 2 information can be learned and stored in a router. Cisco Express Forwarding (CEF) is also discussed. Finally, this section presents a collection of show commands, useful for troubleshooting IP routing.
EIGRP Troubleshooting: This section begins by generically reviewing how an IP routing protocol’s data structures interact with a router’s IP routing table. Then, EIGRP’s data structures are considered, followed by a review of ...
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