1.1.1 ¡ÒÃàª×èÍÁµèÍâÁà´ÁẺ PPP
1.1.2 ¡ÒÃËÁعâÁà´Á´éÇ dip áÅÐ chat
1.1.3 ¡ÒÃãªé PPP ÅçÍ¡ÍԹẺ PAP

1.2.1 ¡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)

2.1 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)

3.1 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

4.1 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

¨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

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

"" ¤×ÍäÁèµéͧÃÍÍÐäÃ
ATDT777777 ËÁعâÁà´Áä´éàÅÂ
CONNECT ÃͨÐâÁà´ÁÊè§ string CONNECT ¤×Í hand shake ÊÓàÃç¨áÅéÇ
"" ¤×ÍäÁèµéͧÊè§ÍÐäÃ
ogin: ÃÍ login: prompt
nathanan 揤 login name
word: ÃÍ password: promt
mysecret 揤 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`

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

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

5.1.1 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´éÇÂ
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

5.2.1 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

5.3.1 ¶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§)

6.1 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 :)