Part IV. Bridging
At the L3 layer, protocols such as IPv4 connect different networks through the routing subsystem laid out in Part VII. In this part of the book, we will look at the link layer or L2 counterpart of routing: bridging. In particular:
- Chapter 14 Bridging: Concepts
Introduces the concepts of transparent learning and selective forwarding.
- Chapter 15 Bridging: The Spanning Tree Protocol
Shows how the Spanning Tree Protocol (STP) solves most of bridging’s limitations, and concludes with an overview of the latest STP enhancements (not yet available for Linux).
- Chapter 16 Bridging: Linux Implementation
Show how Linux implements bridging and STP.
- Chapter 17 Bridging: Miscellaneous Topics
Concludes with an overview of how the bridging code interacts with other networking subsystems and a detailed description of the data structures used by the bridging code.
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