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RFC1661 - часть 2


3.6 Network-Layer Protocol Phase .................... 8

3.7 Link Termination Phase .......................... 9

4. The Option Negotiation Automaton ...................... 11

4.1 State Transition Table .......................... 12

4.2 States .......................................... 14

4.3 Events .......................................... 16

4.4 Actions ......................................... 21

4.5 Loop Avoidance .................................. 23

4.6 Counters and Timers ............................. 24

5. LCP Packet Formats .................................... 26

5.1 Configure-Request ............................... 28

5.2 Configure-Ack ................................... 29

5.3 Configure-Nak ................................... 30

5.4 Configure-Reject ................................ 31

5.5 Terminate-Request and Terminate-Ack ............. 33

5.6 Code-Reject ..................................... 34

5.7 Protocol-Reject ................................. 35

5.8 Echo-Request and Echo-Reply ..................... 36

5.9 Discard-Request ................................. 37

6. LCP Configuration Options ............................. 39

6.1 Maximum-Receive-Unit (MRU) ...................... 41

6.2 Authentication-Protocol ......................... 42

6.3 Quality-Protocol ................................ 43

6.4 Magic-Number .................................... 45

6.5 Protocol-Field-Compression (PFC) ................ 48

6.6 Address-and-Control-Field-Compression (ACFC)

SECURITY CONSIDERATIONS ...................................... 51

REFERENCES ................................................... 51

ACKNOWLEDGEMENTS ............................................. 51

CHAIR'S ADDRESS .............................................. 52

EDITOR'S ADDRESS ............................................. 52

Simpson [Page ii]

RFC 1661 Point-to-Point Protocol July 1994

1. Introduction

The Point-to-Point Protocol is designed for simple links which

transport packets between two peers.




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