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Chapter Five Ethernet

This guide explores the IEEE 802.3 Ethernet standards family, including specifications, frame formats, network topologies, and encoding algorithms. Learn about Ethernet technologies and implementations.

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Chapter Five Ethernet

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  1. Chapter Five Ethernet

  2. The IEEE-802.3 family of specificationsFigure 5.1

  3. The IEEE 802 LAN modelFigure 5.2

  4. Fields in the LLC-level protocol data unit (PDU)Figure 5.3

  5. Formats of the LLC protocol data unit (PDU)Figure 5.4

  6. Relationship of 10-Mbps Ethernet to OSI modelFigure 5.5

  7. Frame formats for IEEE-802.3 and DIX Ethernet standardsFigure 5.6

  8. A10BASE-5 Ethernet LAN using thick rigid coaxial cableFigure 5.7

  9. 10BASE-2 Ethernet uses thin coaxial cableFigure 5.8

  10. A 10BASE-T network wired in a star topologyFigure 5.9

  11. Two basic Ethernet networks connected by a bridgeFigure 5.10

  12. Timing constraints for collision-detection limit the interstation transmission path to five cable segmentsFigure 5.11

  13. Media options for the IEEE 802.3u standardFigure 5.12

  14. Modifications that IEEE 802.3u makes to the IEEE 802.3 PHYFigure 5.13

  15. 100BASE-T4 wiring configuration between a node and a hubFigure 5.14

  16. Two examples of 4B5B encoding and the final NRZI patternsFigure 5.15

  17. An example of MLT-3 encodingFigure 5.16

  18. The basic operation of the 8B6T-encoding algorithmFigure 5.17

  19. Fast Ethernet mixed-media topologies using a Class I repeaterFigure 5.18

  20. Fast Ethernet Class-II repeaters in the same collision domainFigure 5.19

  21. The basic concept of an Ethernet switchFigure 5.20

  22. A hybrid 10- and 100-Mbps switched Ethernet topologyFigure 5.21

  23. Layering structure for the IEEE 802.3z Gigabit EthernetFigure 5.22

  24. Architecture options for IEEE 802.3z and IEEE 802.3abFigure 5.23

  25. Example of a switched Gigabit Ethernet configurationFigure 5.24

  26. Operation of the 8B10B encoding processFigure 5.25

  27. 10-Gigabit Ethernet in a LAN environmentFigure 5.26

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