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McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001 Chapter 17 X.25

Figure 17-4 Addressing at the Frame Layer

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Page 1: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Chapter 17

X.25

Page 2: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-1

X.25

Page 3: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-2

X.25 Layers in Relation to the OSI Layers

Page 4: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-3

Format of a Frame

Page 5: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-4

Addressing at the Frame Layer

Page 6: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-5

Three Phases of the

Frame Layer

Page 7: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-6

Frame Layer and Packet Layer Domains

Page 8: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-7

Virtual Circuits in X.25

Page 9: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-8

LCNs in X.25

Page 10: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-9

LCN Assignments

Page 11: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-10

PLP Packet Format

Page 12: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-11

Categories of PLP Packets

Page 13: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-12

Data Packets in the PLP Layer

Page 14: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-13

RR, RNR, and REJ Packets

Page 15: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-14

Other Control Packets

Page 16: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-15Control Packet Formats

Page 17: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-16

X.25 Address Format

Page 18: Figure 17-4 Addressing at the Frame Layer

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 17-17

Triple-X Protocols