PPPoE HATS LAN

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1 PPPoE HATS LAN

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4 4/26 PPPoE ADSL PPPoE ( )AC(Access Concentrator ) NAT

5 5/26 ( )AC( ) PPPoE AC : AC: Service-Name TAGAC-Name TAG NAT PPP PAP CHAP PPPoE PPPoE : AC: NAT PPP (a)pap (b)chap

6 6/26 PPPoE OSI OSI RFC959FILE TRANSFER PROTOCOL (FTP) RFC792INTERNET CONTROL MESSAGE PROTOCOL RFC791INTERNET PROTOCOL RFC1332The PPP Internet Protocol Control Protocol(IPCP) RFC1994PPP Challenge Handshake Authentication Protocol(CHAP) RFC1334PPP Authentication Protocols RFC1661The Point-to-Point Protocol(PPP) RFC2516A Method for Transmitting PPP Over Ethernet(PPPoE) ISO8802-3CSMA/CD

7 7/26 ATU-R ADSL Transceiver Unit at the Remote terminal end ADSL ATU-C ADSL Transceiver Unit at the Central office end ADSL DSLAMDigital Subcriber Line Access Multiplexer BAS AC Broad band Access ServerATM PPP ISP Access Concentrator PPPoE

8 8/26 PPPoE :AC: AC PPPoE _1 n AC PPPoE _1 n AC_1 AC ACAccess Concentrator

9 9/26 PPPoE PPPoE AC(Access Concentrator) PPPoE AC(Access Concentrator)

10 10/26 PPPoE PPPoE AC PPPoE Discovery Stage TAG PPP Session Stage 1)LCP LCP MRU(Maximum-Receive-Unit)1492 2) (a)pap/(b)chap 3)NCP IPCP IP-Address AC PPPoE PPPoE IP 3)NCP AC IP PPPoE NAT PPPoE NAT IP AC PPPoE PPPoE PPPoE PPPoE IP LAN IP (AC IP ) () (/24) ( AC )AC IP () (/24) ()

11 11/26 PPPoE PPPoE PPPoE AC PPPoE PPPoE LCP Echo-Request LCP Echo-Reply PPPoE PPPoE Ping PPPoE AC PPPoE PPPoE LAN PC AC PC Ping ICMP ICMP FTP PPPoE AC PPPoE AC PC FTP

12 12/26 PPPoE LAN PC(FTP ) FTP GET( ), PUT( ) GET( ), PUT( ) PPPoE PPPoE AC PPPoE PPPoE AC LCP Terminate-Request PADT PPPoE PADT PPPoE PPPoE AC PPPoE, AC LCP Echo-Request LCP Echo-Reply PPPoE PPPoE

13 13/26 PPPoE :AC: NAT PPPoE ID PPPoE IP LAN IP Service-Name TAGAC-Name TAG PAP NAT ACPPPoE PPPoE ID (PAP ) Service-Name TAGAC-Name TAG PPPoE NAT PPPoE TAG AC ( AC 1 ) MRU PAP PPPoE IP AC PPPoE PPPoE AC LCP Echo-Request LCP Echo-Reply Ping PPPoE LAN PC AC PC Ping FTP FTP PPPoE LAN PC FTP AC PC GET( ), PUT( ) PPPoE PPPoE

14 14/26 PPPoE ID PPPoE IP LAN IP Service-Name TAGAC-Name TAG CHAP NAT ACPPPoE IP PPPoE ID (CHAP ) Service-Name TAGAC-Name TAG TAG AC ( AC 1 ) PPPoE MRU CHAP PPPoE IP AC PPPoE PPPoE AC LCP Echo-Request LCP Echo-Reply Ping PPPoE LAN PC AC PC Ping FTP FTP PPPoE LAN PC FTP AC PC GET( ), PUT( ) PPPoE AC PPPoE PPPoE _1n AC_1 PPPoE Ping LAN FTP AC_1 AC(AC_2)

15 15/26 PPPoE _1n AC_1 PC_1 PPPoE _1 PC_1 AC_1 PPPoE _1 AC_1 PPPoE PPPoE PPPoE Discovery Stage Service-Name TAG AC-Name TAG PPP Session Stage 1)LCP MRU ( ) 2) (a)pap/(b)chap ID 3)NCP IPCP IP-Address PPPoE IP AC PPPoE PPPoE PPPoE IP LAN IP (IP (IP PPPoE LAN PPPoE IP PPPoE NAT ) 2)(a)(b) PPPoE _1 LAN PPPoE PAP CHAP PPPoE AC AC PPPoE Discovery Stage ID PPPoE

16 16/26 Service-Name TAG AC-Name TAG PPP Session Stage 1)LCP MRU ( ) 2) (a)pap/(b)chap ID 3)NCP IPCP IP-Address AC_1 PPPoE PPPoE IP PPPoE PPPoE PPPoE IP 2)(a)(b) AC PPPoE PPPoE PPPoE (PPPoE NAT IP ) PPPoE LCP MRU PPPoE _1 AC_1 LCP MRU LAN PAP PPPoE _1 AC_1 PAP PPPoE PPPoE _1, AC_1 LAN ID, PPPoE PPPoE IP PPPoE

17 17/26 PPPoE _1 AC_1 LCP Echo-Request LCP Echo-Reply PPPoE LAN Ping PPPoE _1 LAN PC_1 AC_1 PC_1 Ping ICMP ICMP (, ) FTP AC_1 PC_1 FTP PPPoE _1 LAN PC_1(FTP ) FTP GET( ), PUT( ) (, ) GET( ), PUT( ) PPPoE PPPoE _1 AC_1 LCP Terminate-Request PADT PPPoE PADT PPPoE PPPoE _1, AC_1 LAN PPPoE _1 AC_1 PPPoE AC_1 LCP Echo-Request LCP Echo-Reply PPPoE PAP CHAP PPPoE

18 18/26 PPPoE CHAP PPPoE _1 AC_1 CHAP PPPoE PPPoE _1, AC_1 LAN ID, PPPoE PPPoE IP PPPoE PPPoE _1 AC_1 LCP Echo-Request LCP Echo-Reply PPPoE LAN Ping PPPoE _1 LAN PC_1 AC_1 PC_1 Ping ICMP ICMP (, ) FTP AC_1 PC_1 FTP PPPoE _1 LAN PC_1(FTP ) FTP GET( ), PUT( ) (, ) GET( ), PUT( )

19 19/26 PPPoE AC_1 PPPoE _1 LCP Terminate-Request PADT PPPoE PADT PPPoE AC_1, PPPoE _1 LAN AC_1 PPPoE _1 PPPoE PPPoE _1 LCP Echo-Request LCP Echo-Reply PPPoE PPPoE AC(AC_2)

20 20/26 PPPoE :AC: NAT AC S/W Version M (PPPoE ) ( S/W Version ) No. PPPoE PPPoE PPPoE S/W Version M-1 LAN IP Discovery Stage M-2 Service-Name TAG M-3 AC-Name TAG PPP Session Stage M-4 LCP MRU M-5 PAP M-6 ID M-7 M-8 NCP PPPoE IP IP M-9 NAT N (PPPoE ) No. PPPoE PPPoE PPPoE PPP Session Stage N-1 CHAP N-2 ID N-3

21 21/26 O (AC ) No. AC AC S/W Version O-1 O-2 PPPoE IP LAN( PC) IP Discovery Stage O-3 Service-Name TAG O-4 AC-Name TAG PPP Session Stage O-5 LCP MRU O-6 PAP O-7 PPPoE ID O-8 PPPoE O-9 NCP PPPoE IP O-10 PPPoE NAT P (AC ) No. AC AC PPP Session Stage P-1 CHAP P-2 PPPoE ID P-3 PPPoE P-4 NCP PPPoE IP

22 22/26 QPPPoE NAT AC PPPoE R AC S/W Version No. PPPoE S/W Version PPPoE Q-1 ID Q-2 LCP MRU AC Request Ack Nak Q-3 PAP PAP Q-4 PPPoE IP PPPoE LCP Echo Request/Reply Q-5 PPPoE Ping Q-6 Ping FTP Q-7 FTP GET( ) (kbps) Q-8 FTP PUT( ) (kbps) PPPoE PC AC PC Ping PPPoE PC AC PC GET ( ) PPPoE PC AC PC PUT ( )

23 23/26 Q No. PPPoE PPPoE Q-9 PPPoE PPPoE Q-10 ID Q-11 CHAP CHAP Q-12 PPPoE AC IP IP PPPoE LCP Echo Request/Reply Q-13 PPPoE Ping Q-14 Ping FTP Q-15 FTP GET( ) (kbps) Q-16 FTP PUT( ) (kbps) PPPoE PC AC PC Ping PPPoE PC AC PC GET ( ) PPPoE PC AC PC PUT ( ) PPPoE Q-17 PPPoE

24 24/26 RPPPoE AC NAT Ping FTP GETPUT kbyte/s AC ( ) PPPoE ( S/W Version ) ( ( S/W Version ) (GET: ) ) (PUT: ) (GET: ) (PUT: ) (GET: ) (PUT: ) (GET: ) (PUT: ) (GET: ) (GET: ) (GET: ) (GET: ) (PUT: ) (PUT: ) (PUT: ) (PUT: ) (GET: ) (GET: ) (GET: ) (GET: ) (PUT: ) (PUT: ) (PUT: ) (PUT: ) (GET: ) (GET: ) (GET: ) (GET: ) (PUT: ) (PUT: ) (PUT: ) (PUT: ) (GET: ) (GET: ) (GET: ) (GET: ) (PUT: ) (PUT: ) (PUT: ) (PUT: ) (GET: ) (GET: ) (GET: ) (GET: ) (PUT: ) (PUT: ) (PUT: ) (PUT: ) (GET: ) (GET: ) (GET: ) (GET: ) (PUT: ) (PUT: ) (PUT: ) (PUT: )

25 25/26 LAN

26 26/26 NAT AC PPPoE

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2/ PPPoE... 9 AC(Access Concentrator) PPPoE PPPoE Ping FTP PPPoE

2/ PPPoE... 9 AC(Access Concentrator) PPPoE PPPoE Ping FTP PPPoE PPPoE HATS LAN 2/27... 4... 5... 5... 6... 7... 7... 8... 9 PPPoE... 9 AC(Access Concentrator)... 9... 10 PPPoE... 10 PPPoE... 11 Ping... 12 FTP... 12 PPPoE... 12... 14... 14... 16 PPPoE... 17 3/27 PPPoE...