àÍ¡ÊÒÃ: ¡ÒÃËÁعâÁà´Áµè͡Ѻ ISP : Dial-up-HOWTO àÇÍÃìªÑè¹: 0.2 (12 ¡Ñ¹ÂÒ¹ 2541) â´Â: ³Ñ°¹Ñ¹·ì ÈÃÕÊÐÍÒ´ àÍ¡ÊÒÃàÇÍÃìªÑè¹ÅèÒÊØ´ÊÒÁÒöËÒä´é·Õè: http://www.chon.a-net.net.th/linux/HOWTO/Dial-up.html ------------------------------------------------------------------------ 1. º·¹Ó 1.1 àÍ¡ÊÒÃÍѹ¹ÕéÊÓËÃѺ¼Ùé·Õèµéͧ¡ÒÃàª×èÍÁµèÍ PC ·ÕèµÔ´µÑé§ Linux àÍ¡ÊÒùÕé¤Ãͺ¤ÅØÁ 1.1.1 ¡ÒÃàª×èÍÁµèÍâÁà´ÁẺ PPP 1.1.2 ¡ÒÃËÁعâÁà´Á´éÇ dip áÅÐ chat 1.1.3 ¡ÒÃãªé PPP ÅçÍ¡ÍԹẺ PAP 1.2 àÍ¡ÊÒùÕéäÁèä´é¤Ãͺ¤ÅØÁ¶Ö§ 1.2.1 ¡ÒõԴµÑé§âÁà´ÁÊÓËÃѺËÁعà¢éÒ 1.2.2 ¡ÒÃàª×èÍÁµèÍẺ Multilink PPP ËÃ×Í EQL 1.2.3 ¡ÒÃàª×èÍÁµèÍ´éÇ ISDN ËÃ×Í Sync PPP 1.2.4 ¡ÒÃËÁعâÁà´ÁáÅÐÇÒ§ËÙÍѵâ¹ÁÑµÔ µÒÁ¡ÒÃãªé§Ò¹ (On demand dial) 2. ÊÔ觷Õè¨Óà»ç¹µéͧÁÕ¹¹Í¡¨Ò¡ Linux PC 2.1 âÁà´Á Ẻ͹ÒÅçÍ¡ ¨Ðà»ç¹¤ÇÒÁàÃçÇ 9600bps ËÃ×Í 56000bps ¡ç áÅéÇáµè ISP ¢Í§¤Ø³¨ÐÃͧÃѺ ¶éÒ¨ÐãËé´Õ¤ÇÃà»ç¹ External modem à¾ÃШÐÊѧࡵ¡Ò÷ӧҹä´é§èÒÂáÅÐäÁè¤èÍÂÁջѭËÒàÃ×èͧ¡ÒÃ૵ port/IRQ 2.3 â»Ãá¡ÃÁ ppp deamon (pppd) â»Ãá¡ÃÁÊÓËÃѺËÁعâÁà´Áàªè¹ minicom , dip ËÃ×Í chat «Ö觨ÐÁÕÁҡѺ·Ø¡ distribution ÍÂÙèáÅéÇ 2.5 ÊÒÂâ·ÃÈѾ·ì¤Ø³ÀÒ¾´Õ Êѧࡵ¨Ò¡àÊÕ§ÃÐËÇèҧʹ·¹Ò ¶éÒà§ÕºʹԷ´Õ¡ç áÊ´§ÇèÒÍÒ¨¨Ðãªéä´é Íѹ¹ÕéáÅéÇáµè´Ç§´éÇ (¢ÍãËé⪤´Õ) 3. ¢éÍÁÙÅ·Õèµéͧ·ÃÒº 3.1 àºÍÃìâ·ÃÊÓËÃѺÍ͹äŹì¡Ñº ISP 3.2 ª×èÍÅçÍ¡ÍÔ¹ (login name ËÃ×Í user name) áÅÐÃËÑʼèÒ¹ (password) 3.3 ËÁÒÂàÅ¢ IP ¢Í§ DNS server «Öè§ÁÑ¡¨ÐÁÕãËé 2 ËÁÒÂàÅ¢ Íѹ˹Öè§à»ç¹ primary DNS áÅÐÍÕ¡Íѹà»ç¹ secondary DNS ¶éÒäÁè·ÃÒº¨ÃÔ§æ¡çÊÒÁÒö µÃǨÊͺàͧä´é(СÅèÒÇã¹ÀÒÂËÅѧ) 3.4 Ãкº¡Òà login àªè¹áºº manual µéͧ¡ÃÍ¡ user name áÅÐ password àͧ ËÃ×ÍẺ Íѵâ¹ÁÑµÔ àªè¹ PAP 3.5 ¤Ø³à»ç¹ÊÁÒªÔ¡ (Account) ·Õèä´é IP ¨ÃÔ§ËÃ×Íà»ÅèÒËÃ×Íà»ç¹ Shell Account ·Õèãªéâ»Ãá¡ÃÁ SLIP emulator ¾Ç¡ SLIRP ËÃ×Í TIA µÑÇÍÂèҧ㹠HOWTO ¹Õé¨Ðãªé - âÁà´Á·Õè COM1 ËÃ×Í port = /dev/ttyS0 (¡Ã³Õà»ç¹ COM2,3,4 ¨Ðãªé /dev/ttyS1,/dev/ttyS2,/dev/ttyS3) - ª×èÍ login = nathanan - ÃËÑʼèÒ¹ = mysecret - DNS server = 203.148.211.2 ,203.148.255.70 4. ŧÁ×Í ÅØÂ! 4.1 µÃǨÊͺ¤èÒ default ¢Í§ pppd ÁÕä¿Åì·Õèà¡ÕÂÇ¢éͧ´Ñ§¹Õé /etc/ppp/pap-secrets /etc/ppp/chap-secrets /etc/ppp/options /etc/ppp/options.tty* ¶éÒÁÕä¿ÅìàËÅèÒ¹Õé àÃÒÊÒÁÒö move ä»à¡çºäÇé directory Í×蹡è͹ä´é 4.2 ·´ÊͺâÁà´ÁÇèÒ¾ÃéÍÁµèÍ¡ÒÃãªé§Ò¹ËÃ×Íà»ÅèÒ´éÇÂâ»Ãá¡ÃÁ dip ningnong:~# dip -t DIP: Dialup IP Protocol Driver version 3.3.7o-uri (8 Feb 96) Written by Fred N. van Kempen, MicroWalt Corporation. DIP> port ttyS0 DIP> term [ Entering TERMINAL mode. Use CTRL-] to get back ] AT&F OK ATDT777777 CONNECT 38400 User Access Verification Username: nathanan Password: ~ÿ}#À!}!}!} }8}!}$}%Ü}"}&} } } } }%}&8DzÔ}'}"}(}"*Q~~ÿ}#À!}!}!} }8}!}$}%Ü}"}&} ¶éÒÁÕµÑÇÍÐäÃÂÖ¡Â×ÍÍÍ¡ÁÒ¡çäÁèµéͧµ¡ã¨¤ÃѺ ÁÒ¶Ù¡·Ò§áÅéÇ áµè¶éÒäÁèÁÕ¡çäÁèä´éËÁÒ¤ÇÒÁÇèÒ¼Ô´¹Ð¤ÃѺ ºÒ§¤¹ÍÒ¨äÁèÁÕáÁéáµè Login prompt «Ö觡çËÁÒ¤ÇÒÁÇèÒ ISP ¢Í§¤Ø³ãªé¡ÒõÃǨÊͺ password Ẻ PAP ËÃ×Í CHAP ÍÂèÒ§à´ÕÂÇ ãªéẺ manual äÁèä´é ¡Ã³Õ¤Ø³µéͧãªéâ»Ãá¡ÃÁ SLIP emulator ¤Ø³¡ç¨Ð login à¢éÒ Unix host «Ö觨ÐÁÕ prompt ¢Í§ login ·Õè¤Ø³¤Øé¹à¤Â login à¢éÒä» áÅéÇ·´Åͧ¾ÔÁ¾ì ppp ËÃ×Í slirp ppp ¶éÒ¼Ù´ÙáÅÃкºä´éµÔ´µÑé§â»Ãá¡ÃÁ slirp àÃÕºÃéÍÂáÅéÇ ¤Ø³¡ç¨ÐàËç¹ÂÕèËéͧ͢â»Ãá¡ÃÁ slip emulator µÑÇÍÂèÒ§¹Õéà»ç¹â»Ãá¡Á SLIRP áµè¶éÒÂѧäÁèÁդسÊÒÁÒÃ¶ä» download source code ËÃ×Í binary ä´é·Õè http://blitzen.canberra.edu.au/slirp/ Last login: Wed Jul 22 20:55:19 on ttyp4 from nongnok You have mail. host~$ slirp ppp Slirp v1.0c (RELEASE) Copyright (c) 1995,1996 Danny Gasparovski and others. All rights reserved. This program is copyrighted, free software. Please read the file COPYRIGHT that came with the Slirp package for the terms and conditions of the copyright. IP address of Slirp host: 203.148.211.2 IP address of your DNS(s): 203.148.211.2 Your address is 10.0.2.15 (or anything else you want) Type five zeroes (0) to exit. [talking PPP, 115200 baud] SLiRP Ready ... ¡´»ØèÁ Control-] à¾×èÍÍÍ¡ÊÙè command mode ¢Í§â»Ãá¡ÃÁ dip 4.3 ¡ÒÃÅçÍ¡ÍÔ¹â´Âãªé dip script ¨Ò¡¢éÍ 4.2 ¶éҤسÊÒÁÒöãªé¡Òà login ´éÇÂÁ×Íä´é¡çÅͧ¾ÔÁ¾ì dip> mode ppp ¤Ø³¨ÐÍÍ¡ÊÙè command prompt Åͧ¾ÔÁ¾ì route -n ´ÙÊÔÇèÒ link ¤Ø³ up ËÃ×ÍÂѧ host~# route -n Kernel routing table Destination Gateway Genmask Flags MSS Window Use Iface 203.148.244.199 * 255.255.255.255 UH 576 0 29 ppp0 127.0.0.0 * 255.0.0.0 U 3584 0 3 lo default 203.148.244.199 * UG 576 0 221 ppp0 µÃ§¤ÍÅÑÁ¹ì Iface ¨ÐàËç¹ ppp0 «Öè§à»ç¹ network device Åͧãªé¤ÓÊÑè§ ifconfig ppp0 host~# ifconfig ppp0 ppp0 Link encap:Point-to-Point Protocol inet addr:203.148.244.241 P-t-P:203.148.244.199 Mask:255.255.255.248 UP POINTOPOINT RUNNING MTU:576 Metric:1 RX packets:74824 errors:16 dropped:16 overruns:0 frame:0 TX packets:59652 errors:0 dropped:0 overruns:0 carrier:0 coll:0 ã¹µÑÇÍÂèÒ§¹Õé IP ·Õè ISP ¤Ø³¡Ó˹´ãËé¤×Í 203.148.244.241 áµè¶éҤسãªé Slirp ¡ç¨Ðä´é IP à»ç¹ 10.0.2.15 á·¹ Êèǹ IP ËÁÒÂàÅ¢ 203.148.244.199 ¤×Í IP ¢Í§ terminal server ·Õè´éÒ¹ ISP áµè¡Ò÷Õè¨Ðµéͧ¾ÔÁ¾ì¤ÓÊÑè§áººÂÒÇæàÃÒ¡ç¤ÇûÃÐËÂÑ´àÇÅÒâ´Â¡ÒÃà¢Õ¹ script ÅͧÍèÒ¹µÑÇÍÂèÒ§¢éÒ§ÅèÒ§¹Õé myisp.dip 8<------------- port ttyS0 reset dial 777777 wait name 20 send nathanan\r wait word 20 send mysecret\r sleep 3 mode ppp ------------>8 ËÃ×ͶéÒãªé slirp 8<------------- port ttyS0 reset dial 777777 wait login 20 send nathanan\r wait word 20 send mysecret\r wait login 20 send slirp ppp\r sleep 3 mode ppp ------------>8 à¢Õ¹à»ç¹ script ä¿Åì .dip áÅéÇÅͧ dip -v myisp ¡ç¨Ð connect ä´é§èÒÂæäÁèµéͧ¾ÔÁ¾ìãËéàÁ×èÍ ÍÂèÒÅ×Á chmod 700 myisp.dip ¡è͹¹Ð¤ÃѺ ¡Ñ¹¡ÒââÁ account ¤ÃѺ â»Ãá¡ÃÁ dip ÁÕ¤ÇÒÁÊÒÁÒö㹡ÒÃ·Ó script ·Õè´Õ·Õà´ÕÂÇ ÊÒÁÒö¡Ó˹´à§×è͹ä¢áÅÐ ¤èÒ IP ¡Ã³Õ·ÕèàÃÒãªé SLIP ËÃ×Í CSLIP ´ÙµÑÇÍÂèÒ§µèÍ仹Õé¤ÃѺ # # ppp.dip àÃÒãªéà¤Ã×èͧËÁÒ # à»ç¹ comment # main: # # âÁà´ÁàÃÒÍÂÙè·Õè port ttyS0 ËÃ×Í COM1 port ttyS0 # ¤ÇÒÁàÃçǢͧ serial port »Ã¡µÍ¨Ð¡Ó˹´äÇé·Õè 38400bps # áµèàÃÒÊÒÁÒöãªé¤èÒ·ÕèÊÙ§¢Öé¹ä´é¨Ð·ÓãËéä´é·ÃپطÊÙ§ªÖ鹡ÒáÒà compression ¢éÍÁÙÅ # â´ÂâÁà´Á speed 57600 # # reset âÁà´Á¨Ðà»ç¹¡Òà reset port áÅÐÊè§ command ATZ ä»ãËéâÁà´Á # PC ºÒ§à¤Ã×èͧ ¾Í reset port à¤Ã×èͧ¨Ð hang ä»àÅ¡çÊÒÁÒöàÍÒºÃ÷Ѵ¹ÕéÍÍ¡ä´é reset # # ãÊè¤èÒ $local à»ç¹ IP address ¶éÒàÃÒä´é Fix IP # get $local xxx.xxx.xxx.xxx # áµè¶éÒà»ç¹ dynamic IP. ¡çäÁèµéͧãÊè¤ÃѺ get $local 0.0.0.0 # ¤èÒ $errlvl ËÅѧ¨Ò¡ sendËÃ×Í dial ¨ÐÁÕ code ´Ñ§µèÍ仹Õé # 0 - OK # 1 - CONNECT # 2 - ERROR # # ãÊè Init string ¢Í§âÁà´Á(¶éÒ¨Óà»ç¹Å§ã¹ºÃ÷Ѵ¢éÒ§ÅèÒ§¹Õé) send ATZ\r wait OK 1 if $errlvl != 0 goto modem_trouble # dial ¡ç¤×ÍËÁع¤ÃѺ :) dial 777777 if $errlvl != 1 goto modem_trouble # µÔ´áÅéǤÃѺ ËÂØ´ÃÍ 2 ÇÔ¹Ò·Õ login: sleep 2 # ÃÍ prompt "login:" wait ogin: 20 if $errlvl != 0 goto login_error # »é͹ login name send nathanan\r # ÃÍ prompt password wait assword: 20 if $errlvl != 0 goto password_error # »é͹ password send mysecret\r loggedin: # ¶éÒãªé slirp ¡çá¡éºÃ÷Ѵ¢éÒ§ÅèÒ§àÍÒ comment ÍÍ¡¤ÃѺ # wait unix_prompt 15 # if $errlvl != 0 goto prompt_error # send slirp ppp done: # àÃÕºÃéͤÃѺµÔ´á¹è print CONNECTED to the remote PPP server mode PPP goto exit prompt_error: print TIME-OUT waiting for the PPP server to fire up... goto error login_error: print Trouble waiting for the Login: prompt... goto error password_error: print Trouble waiting for the Password: prompt... goto error modem_trouble: print Trouble ocurred with the modem... error: print CONNECT FAILED to the PPP server. quit exit: reset exit 4.4 ¡ÒÃÅçÍ¡ÍÔ¹â´Âãªé chat script ppp daemon (pppd) ÊÒÁÒö dial-up ä´éâ´Â µéͧ¾Öè§â»Ãá¡ÃÁ chat «Öè§ÁÑ¡¨ÐÁÒ´éÇ¡ѹ µÑÇÍÂèÒ§¡Òà ãªé pppd + chat Ẻ§èÒÂæ pppd connect 'chat -v "" ATDT777777 CONNECT "" ogin: nathanan word: mysecret' \ /dev/ttyS0 38400 debug crtscts modem defaultroute ¾ÒÃÒÁÔàµÍÃì¢Í§â»Ãá¡ÃÁ chat ¨Ð¶Ù¡ãªé§Ò¹à»ç¹¤Ùèæ µÑÇáá¤×ÍÃÍ(wait) µÑǶѴÁÒ¤×ÍÊè§(send) ʵÃÔ§ ÍÍ»ªÑè¹ -v ¤×Í verbose mode; ¨ÐÁÕ message ã¹ /var/log/messages "" ¤×ÍäÁèµéͧÃÍÍÐäà ATDT777777 ËÁعâÁà´Áä´éàÅ CONNECT ÃͨÐâÁà´ÁÊè§ string CONNECT ¤×Í hand shake ÊÓàÃç¨áÅéÇ "" ¤×ÍäÁèµéͧÊè§ÍÐäà ogin: ÃÍ login: prompt nathanan Êè§ login name word: ÃÍ password: promt mysecret Êè§ password Êèǹ pppd ¨Ðãªé option µèÍ仹Õé /dev/ttyS0 ã¹·Õè¹Õé¤×Í port COM1 38400 baud rate ¢Í§ port ttyS0 debug Êè§ debug message ãËé syslog crtscts ãªé hardware flow control modem ºÍ¡ãËé pppd ÃÙéÇèҨРdisconnect µéͧÇÒ§ËÙ¡è͹ defaultroute ãÊè default route table à»ç¹ ppp link ¹Õé ·ÑèÇ仨Ðà¢Õ¹ chat à»ç¹ shell script àÍÒäÇéà¾×èͤÇÒÁÊдǡ㹡ÒÃãªé§Ò¹ ´Ñ§µÑÇÍÂèÒ§ /usr/sbin/ppp-on ʤÃÔ»µìÊÓËÃѺàª×èÍÁµèÍ ppp /usr/sbin/ppp-off ÇÒ§ËÙâ·ÃÈѾ·ì /etc/ppp-on-dialer ʤÃÔ»µìËÁعâÁà´Á ¶Ù¡àÃÕ¡ãªé¨Ò¡ /usr/sbin/ppp-on ¡Ã³Õ·ÕèàÃÒÁÕ account ÊÓËÃѺ¡ÒÃàÃÕ¡ãªé terminal server ËÅÒÂæẺ ¡çãªéä¿Åì¹Õéà»ç¹ template áÅéÇà¢Õ¹ script ÊÓËÃѺ login á¡à»ç¹ËÅÒÂä¿Åì àªè¹ /etc/ppp/ppp-on-linux /etc/ppp/ppp-on-annex /etc/ppp/ppp-on-cisco /etc/ppp/ppp-on-pap ä¿ÅìàËÅèÒ¹Õéà»ç¹ shell script ã¹ Slackware ¨ÐÁÕãËé Êèǹ Redhat ¨ÐãªéʤÃÔ»µìã¹ä´Ãà¡·ÍÃÕ /etc/sysconfig/... µÑÇÍÂèÒ§ chat script ä¿Åì /etc/ppp/ppp-on-linux #!/bin/sh # exec chat -v \ TIMEOUT 3 \ ABORT '\nBUSY\r' \ ABORT '\nNO ANSWER\r' \ ABORT '\nRINGING\r\n\r\nRINGING\r' \ '' \rAT \ 'OK-+++\c-OK' ATH0 \ TIMEOUT 30 \ OK ATDT$TELEPHONE \ CONNECT '' \ ogin:--ogin: $ACCOUNT \ assword: $PASSWORD ä¿Åì /usr/sbin/ppp-on #!/bin/sh # ACCOUNT="nathanan" PASSWORD="mysecret" TELEPHONE=777777 # The telephone number for the connection NETMASK=255.255.255.255 export TELEPHONE ACCOUNT PASSWORD DIALER_SCRIPT=/etc/ppp/ppp-on-linux exec /usr/sbin/pppd -d -detach crtscts /dev/ttyS2 38400 \ noipdefault netmask $NETMASK defaultroute connect $DIALER_SCRIPT ¶éÒÂѧäÁèÁÕä¿Åì /usr/sbin/ppp-off ÊÃéÒ§´Ñ§µÑÇÍÂèÒ§µèÍ仹Õé #!/bin/sh # if [ "$1" = "" ]; then DEVICE=ppp0 else DEVICE=$1 fi kill -INT `cat /var/run/$DEVICE.pid` 4.5 ¡ÒÃÅçÍ¡ÍÔ¹à¢éÒ Linux Terinal server ËÒ¡àÃÒËÁعâÁà´Áà¢éÒ Linux ·Õèãªé agetty ËÃ×Í getty µÑÇÍ×è¹æ àÁ×èÍàÃÒ login à¢éÒä»ã¹ shell àÃÒÊÒÁÒöàÃÕ¡ãªé pppd áÅеÑ駤èÒ ip address àͧä´é ¶éÒ¼Ùé´ÙáÅÃкºÍ¹Ø­Òµ â´Â·ÕèµÑÇÍÂèÒ§¹Õé 192.168.0.100 ¤×Í IP ¢Í§àÃÒáÅÐ 192.168.0.1 ¤×Í IP ¢Í§ linux server µÑÇÍÂèÒ§ä¿Åì /etc/ppp/ppp-on-linux #!/bin/sh # exec chat -v \ TIMEOUT 3 \ ABORT '\nBUSY\r' \ ABORT '\nNO ANSWER\r' \ ABORT '\nRINGING\r\n\r\nRINGING\r' \ '' \rAT \ 'OK-+++\c-OK' ATH0 \ TIMEOUT 30 \ OK ATDT$TELEPHONE \ CONNECT '' \ ogin:--ogin: $ACCOUNT \ assword: $PASSWORD \ 'exec pppd passive' '' ä¿Åì /usr/sbin/ppp-on ãÊè ip address ŧä»á·¹ noipdefault ´Ñ§¹Õé #!/bin/sh # ACCOUNT="nathanan" PASSWORD="mysecret" TELEPHONE=777777 # The telephone number for the connection NETMASK=255.255.255.255 export TELEPHONE ACCOUNT PASSWORD DIALER_SCRIPT=/etc/ppp/ppp-on-linux exec /usr/sbin/pppd -d -detach crtscts /dev/ttyS2 38400 \ 192.168.0.100:192.168.0.1 netmask $NETMASK defaultroute \ connect $DIALER_SCRIPT 4.6 ¡ÒÃÅçÍ¡ÍÔ¹â´Âãªé PAP ÊÓËÃѺ Terminal server ºÒ§µÑÇ·ÕèÊÒÁÒö login ´éÇÂÇÔ¸Õ PAP à¾Õ§ÍÂèÒ§à´ÕÂÇ ¨ÐäÁè»ÃÒ¡¯ prompt ã´æ ´Ñ駹Ñé¹ chat script ¨Ðà»ç¹´Ñ§¹Õé ä¿Åì /etc/ppp/ppp-on-pap #!/bin/sh # exec chat -v \ TIMEOUT 3 \ ABORT '\nBUSY\r' \ ABORT '\nNO ANSWER\r' \ ABORT '\nRINGING\r\n\r\nRINGING\r' \ '' \rAT \ 'OK-+++\c-OK' ATH0 \ TIMEOUT 30 \ OK ATDT$TELEPHONE \ CONNECT '' ¡ÒÃÊè§ password ¨Ð·Óâ´Â pppd ´Ñ§¹Ñé¹àÃҨеéͧàµÃÕÂÁ password äÇé¡è͹ã¹ä¿Åì /etc/ppp/pap-secrets µÑÇÍÂèÒ§ä¿Åì /etc/ppp/pap-secrets # name host secret nathanan * mysecret mysistor * hersecret àÃÒàÅ×Í¡ account ÁÒãªéâ´Â¡Ó˹´ã¹ command line ¢Í§ pppd àªè¹ µÑÇÍÂèÒ§ ä¿Åì /usr/sbin/ppp-on-isp1 #!/bin/sh # TELEPHONE=777777 # The telephone number for the connection NETMASK=255.255.255.255 export TELEPHONE DIALER_SCRIPT=/etc/ppp/ppp-on-pap exec /usr/sbin/pppd -d -detach crtscts /dev/ttyS0 38400 name nathanan\ noipdefault netmask $NETMASK defaultroute connect $DIALER_SCRIPT ËÃ×ͶéÒËÒ¡ÁÕ account à´ÕÂÇ¡çÊÒÁÒöãÊèã¹ä¿Åì /etc/ppp/options µÑÇÍÂèÒ§ ä¿Åì /etc/options name nathanan 5. »Ñ­ËÒ·ÕèÁÑ¡¾ººèÍ 5.1 »Ñ­ËÒ·ÕèÁÒ¨Ò¡âÁà´Á 5.1.1 äÁèÁÕ¢éͤÇÒÁËÃ×ÍÊÑ­Ò³ã´æÍÍ¡ÁÒ¨Ò¡âÁà´Á ãËéµÃǨÊͺ IRQ ´ÙÇèÒª¹¡ÑºÍØ»¡Ã³ì Í×è¹æËÃ×Íà»ÅèÒ àªè¹ ttyS1 (COM2) ¨Ðãªé IRQ 3 ºÒ§·Õ¨Ð«éӡѺ default IRQ ¢Í§ LAN card ºÒ§ÃØè¹ ËÃ×Í âÁà´ÁẺµÔ´µÑé§ÀÒÂã¹ ttyS2 ttyS3 «Ö觨еéͧµÑé§ IRQ ãËéäÁ誹¡Ñº ttyS1 ttyS2 â´Â IRQ ·ÕèàÃÒÊÒÁÒöµÑé§ä´é¤×Í 5 7(µéͧ disable printer port) 9 2 â´ÂÈÖ¡ÉÒ¡ÒõÑ駤èÒ IRQ ¨Ò¡¤ÙèÁ×Í ¶éÒËÒ¡à»ç¹âÁà´Á·ÕèµÑ駤èÒ IRQ ¨Ò¡ software àªè¹ Hayes Accura ¨Ðµéͧ boot à¤Ã×èͧ´éÇ DOS ¡è͹¨Ò¡¹Ñ鹨֧ load linux ´éÇ LOADLIN.EXE 5.1.2 ËÅѧ¨Ò¡ dial µÔ´áÅéÇÁÕµÑÇÍÑ¡ÉâÂÐ (äÁèãªè PPP negotitate) ÁÑ¡¨Ðà»ç¹¡ÑºâÁà´Á USR Sporters ãËéãÊè INIT String ´é§¹Õé AT&FE0V1&A3&B1&D2&S0 5.1.3 àÁ×èÍàÃÔèÁËÁعâ´à´ÁÊÑ­­Ò³ DTR áÅÐOH ¨ÐµÔ´ ¶éÒËÒ¡äÁèµÔ´ãËéµÃǨÊͺÊÒÂÊÑ­­Ò³ ÇèÒá¹è¹ËÃ×ÍäÁè 5.2 »Ñ­ËÒ·ÕèÁÒ¨Ò¡ÊÒÂâ·ÃÈѾ·ì 5.2.1 connect áÅéÇËÅØ´ºèÍ ãËéÅ´ DTE (serial port)speed àªè¹¨Ò¡ 57600 à»ç¹ 19200 9600 µÒÁÅӴѺ 5.2.2 âÁà´ÁäÁèËÁعáÅéǺ͡ ERROR ÇèÒ NO DIALTONE ·Ñé§æ·ÕèÁÕÊÑ­­Ò³ãËéËÁع ºÒ§·ÕÊÑ­­Ò³¨Ò¡ªØÁÊÒÂÍè͹à¡Ô¹ä» ËÃ×Íà»ç¹âÁà´Á¨Ò¡µèÒ§»ÃÐà·È ãËéãÊè ATX0 ŧ㹠INIT String 5.3 »Ñ­ËÒ·ÕèÁÒ¨Ò¡¡ÒÃ૵¤èÒ¼Ô´ 5.3.1 ¶éÒÁÕ LAN card ÍÂÙè default route ÍÒ¨äÁèªÕéÍÍ¡ä» Internet ãËé route del default route add default dev ppp0 ËÃ×ͨРdelete default route ¡è͹¨Ð dial ¡çä´é route del default 5.3.2 ¤ÃǨÊͺ¤èÒ DNS server ã¹ä¿Åì resolv.conf µÑÇÍÂèÒ§ nameserver 203.148.211.2 domain myisp.net.th ¤ÇÃãªé DNS ·ÕèÍÂÙèã¡Åé·ÕèÊØ´ (DNS server ¢Í§ ISP ¢Í§¤Ø³ äÁè¤ÇÃãªéµÒÁµÑÇÍÂèÒ§) 6. áËÅ觢éÍÁÙÅà¾ÔèÁàµÔÁ 6.1 SLIRP â´Â sNOoPz http://www.thaiicq.com/snoopz/slirp.htm 6.2 Linux ISP Hookup Howto ftp://ftp.nectec.or.th/pub/mirrors/linux/pub/docs/HOWTO/ISP-Hookup-HOWTO 6.3 Linux PPP Howto ftp://sunsite.unc.edu/pub/Linux/HOWTO/PPP-HOWTO 6.4 PPP-FAQ ftp://ftp.nectec.or.th/pub/mirrors/linux/pub/docs/faqs/PPP-FAQ/PPP-FAQ 6.5 man pppd & man dip :)