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Understanding X.25 Frame Layer and Packet Layer Protocols

Learn about the X.25 Frame Layer and Packet Layer Protocols, including addressing, control packets, and virtual circuits.

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Understanding X.25 Frame Layer and Packet Layer Protocols

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  1. Chapter 17 X.25

  2. Figure 17-1 X.25

  3. Figure 17-2 X.25 Layers in Relation to the OSI Layers

  4. Figure 17-3 Format of a Frame

  5. Figure 17-4 Addressing at the Frame Layer

  6. Figure 17-5 Three Phases of the Frame Layer

  7. Figure 17-6 Frame Layer and Packet Layer Domains

  8. Figure 17-7 Virtual Circuits in X.25

  9. Figure 17-8 LCNs in X.25

  10. Figure 17-9 LCN Assignments

  11. Figure 17-10 PLP Packet Format

  12. Figure 17-11 Categories of PLP Packets

  13. Figure 17-12 Data Packets in the PLP Layer

  14. Figure 17-13 RR, RNR, and REJ Packets

  15. Figure 17-14 Other Control Packets

  16. Figure 17-15 Control Packet Formats

  17. Figure 17-16 X.25 Address Format

  18. Figure 17-17 Triple-X Protocols

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