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© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Point-to-Point Protocol (PPP) Accessing the WAN – Chapter 2.

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Presentation on theme: "© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Point-to-Point Protocol (PPP) Accessing the WAN – Chapter 2."— Presentation transcript:

1 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Point-to-Point Protocol (PPP) Accessing the WAN – Chapter 2

2 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 2 Objectives Describe:  the fundamental concepts of point-to-point serial communication including: o TDM, o demarcation point, o DTE-DCE functions, HDLC encapsulation o serial interface troubleshooting.

3 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 3 Objectives Describe:  PPP concepts –  PPP layered architecture,  PPP frame structure,  PPP session establishment,  multiprotocol encapsulation support,  link control protocol (LCP),  network control protocol (NCP),  Internet Protocol Control Protocol (IPCP).

4 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 4 Objectives  Configure PPP on a serial interface –  enabling PPP encapsulation,  verifying the PPP connection  troubleshooting encapsulation problems.

5 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 5 Objectives  Configure PPP authentication -  explaining PAP and CHAP authentication protocols,  configuring PPP authentication using: o PAP and CHAP, o troubleshooting PPP authentication problems.

6 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 6 Fundamental Concepts of Point-to-Point Serial Communication  The basis of WAN technologies

7 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 7

8 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 8

9 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 9 Point-to-Point Serial Communication TDM

10 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 10

11 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 11

12 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 12

13 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 13

14 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 14 Point-to-Point Serial Communication  Demarcation point relative to customer and service provider networks

15 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 15

16 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 16

17 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 17

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22 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 22

23 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 23

24 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 24

25 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 25

26 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 26

27 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 27

28 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 28

29 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 29 Describe the Fundamental Concepts of Point-to-Point Serial Communication  When and how to configure HDLC encapsulation on a router

30 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 30

31 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 31

32 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 32

33 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 33 Describe Point-to-Point Concepts  PPP

34 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 34 Describe Point-to-Point Concepts  Layers of the PPP architecture

35 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 35 Describe Point-to-Point Concepts  Functions of each layer of PPP architecture

36 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 36

37 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 37

38 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 38 Describe Point-to-Point Concepts  The Purpose and format of each field in a PPP frame

39 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 39

40 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 40

41 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 41 Describe Point-to-Point Concepts  The three phases of PPP session establishment

42 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 42

43 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 43

44 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 44

45 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 45

46 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 46 Describe Point-to-Point Concepts  The role of the LCP in PPP

47 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 47

48 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 48

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70 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 70

71 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 71

72 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 72 Configure PPP on a Serial Interface

73 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 73 Configure PPP on a Serial Interface  Show commands

74 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 74 Configure PPP on a Serial Interface  Explain the output of the debug ppp command

75 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 75 Configuring PPP with Authentication  Differentiate between PAP and CHAP

76 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 76 Configuring PPP with Authentication

77 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 77

78 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 78 Configuring PPP with Authentication

79 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 79

80 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 80

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93 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 93

94 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 94 PPP Summary  Widely used WAN protocol  Provides multi-protocol LAN to WAN connections  Session establishment – 4 phases Link establishment Link quality determination Network layer protocol configuration negotiation Link termination  WAN Encapsulations –HDLC default encapsulation –PPP

95 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 95 PPP Summary  Authentication –PAP 2 way handshake –CHAP 3 way handshake –Use debug ppp authentication to confirm authentication configuration  Configuration –Done on a serial interface  Show interface commands to display: –LCP state –NCP state

96 © 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 96 ENDEND END

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