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Linuxdoc Sgml/Diald-KLDP

<!doctype linuxdoc system>

<article>

<title>¸®´ª½º¿¡¼­ Diald¸¦ »ç¿ëÇÏ¿© ISDN¶ó¿ìÅÍ ¸¸µé±â
<author>±è±â¼ö baram88@soback.kornet.net
<date>1999.05.21 5.1¹øÂ°¼öÁ¤  1999.04.19óÀ½¾¸
<abstract>

À̹®¼­´Â Diald¸¦ »ç¿ëÇÏ¿© ISDNÀ̳ª ¸ðµ©À» ÅëÇÑ ÀÎÅͳݿ¬°á¹æ¹ý°ú
´Ù¸¥ PCµé°ú ȸ¼±À» °øÀ¯ÇÏ´Â ¹æ¹ýÀ» ¼³¸íÇϰíÀÚ ÇÕ´Ï´Ù.
</abstract>
<toc>

<sect>°³¿ä<p>

¸®´ª½º ¹Ú½º¿¡¼­ ISDN 1ȸ¼±(ÀÏ¹Ý ¸ðµ©µµ »ó°ü¾ø½À´Ï´Ù.)À¸·Î ¿©·¯´ëÀÇ
ÄÄÇ»ÅͰ¡ ÀÎÅͳÝÀ» °øÀ¯Çؼ­ »ç¿ëÇÏ´Â ¹æ¹ýÀ» ¼Ò°³ ÇϰíÀÚ ÇÕ´Ï´Ù.

ÀϹÝÀûÀ¸·Î ½ÃÁß¿¡¼­ ±¸ÇÒ¼ö ÀÖ´Â ISDN ¶ó¿ìÅÍ´Â Á¢¼ÓÇϰíÀÚÇÏ´Â ³×Æ®¿÷¿¡ µû¶ó 
ÀüÈ­¸¦ µû·Î °É¾îÁÖ´Â ¹æ½ÄÀÌ ¾Æ´Ï¶ó ÇѰ÷¸¸¸¦ ÁöÁ¤ÇÏ¿© ÀüÈ­¸¦ °É¾î¼­ Á¢¼ÓÇØ 
ÁÖ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ÁÖ·Î ISP·Î ÀüÈ­¸¦ °Ì´Ï´Ù.

ÀÌ·± ¿ªÇÒÀº ¸®´ª½º·Î ¾î·ÆÁö ¾Ê°Ô ¸¸µé¼ö ÀÖ½À´Ï´Ù.

Àú´Â ¾ËÂ¥ ·¡µåÇÞ 5.2 ¹öÀü°ú ÄÚ³Ý °èÁ¤ ±×¸®°í Diald¸¦ 
±âÁØÀ¸·Î ¼³¸íÇϰíÀÚÇÕ´Ï´Ù.

´Ù¸¥ ȯ°æÀ¸·Î ¼º°øÇÏ½Ã¸é ¸ÞÀÏ ºÎʵ右´Ï´Ù.
±×¸®°í ¸ÞÀÏ È¯¿µÇÕ´Ï´Ù. ¾î¶² ÀǰßÀÌ¶óµµ º¸³»ÁÖ½Ã¸é °¨»çÇϰڽÀ´Ï´Ù.

<sect>³×Æ®¿÷ȯ°æ ¸¸µé±â<p>

<sect1> ¿©·¯´ë¸¦ ·£È¯°æÀ¸·Î ¹­±â<p>

°¢°¢ÀÇ PC¿¡ LAN Ä«µå¸¦ ¼³Ä¡Çϰí Çãºê¶ó´Â Àåºñ¸¦ ÅëÇØ ³×Æ®¿÷À¸·Î ¿¬°áÇÕ´Ï´Ù.
ÀÚ¼¼ÇÑ ¼³¸íÀº ´Ù¸¥ ¹®¼­¸¦ Âü°í ÇϽñ⠹ٶø´Ï´Ù.

<sect1> ¸®´ª½º ¹Ú½º¸¦ ³×Æ®¿÷¿¡ ¿¬°áÇÏ°í ³×Æ®¿÷ ¼³Á¤À» ÇÑ´Ù.<p>

À̳»¿ëµµ ´Ù¸¥ ¹®¼­¸¦ Âü°íÇϼÌÀ¸¸é ÇÕ´Ï´Ù.

<sect>¸®´ª½º ¹Ú½º¿¡¼­ Diald ¼³Ä¡ ¹× ¼³Á¤<p>

<sect1> Áغñ¹° <p>

<itemize>
<item> ¿ÜÀåÇü NT³»ÀåÇü TA  (¶Ç´Â ¸ðµ©) -  ¿©±â¼­´Â ´ºÅØÀÇ ¿È´Ï¸ðµ¨ÀÔ´Ï´Ù.
<itemize>
<item> ¸ÖƼ¸µÅ©PPP Á¦¾î¸í·É (Á¦Ç°¸Þ´º¾ó¿¡ ÀÖÀ» °Ì´Ï´Ù.) - ¸ðµ©Àº À̸í·ÉÀÌ ÇÊ¿ä ¾ø½À´Ï´Ù.
</itemize>
<item> ISP °èÁ¤             (¿©±â¼­´Â ÄÚ³ÝÀ» ¿¹·Î µé¾ú½À´Ï´Ù.)
<itemize>
<item> ISDN Á¢¼ÓÀüÈ­¹øÈ£
<item> ¾ÆÀ̵ð,ÆÐ½º¿öµå
<item> DNS ÁÖ¼Ò
</itemize>
<item> ¸®´ª½º¹Ú½º           (Àú´Â ÆÒƼ¾ö 166 ÀÔ´Ï´Ù.)
<item> ¾ËÂ¥ RedHat 5.2      ( 9,900¿ø¿¡ ±¸ÀÔÇØ¼­ ¼³Ä¡Çß½À´Ï´Ù.)
<item> Diald
<itemize>
<item> diald16-0.16.5a-2.i386.rpm              159038 byte
<item> diald16-config-0.16.5a-2.i386.rpm         6233 byte
</itemize>

</itemize>
<sect1> Diald ¹Þ¾Æ¿À±â<p>

Redhat ¹Ì·¯»çÀÌÆ®ÀÎ  º¸¶ó³Ý¿¡¼­ ¹Þ½À´Ï´Ù.

<url url="ftp://ftp.bora.net/pub/Linux/redhat-contrib/libc6/i386/"> ¿¡¼­

<tscreen><verb>
diald16-0.16.5a-2.i386.rpm 
diald16-config-0.16.5a-2.i386.rpm 
</verb></tscreen>

È­ÀÏÀ» ´Ù¿î·Îµå ¹Þ½À´Ï´Ù.

<tscreen><verb>
[kskim@ja kskim]$ ncftp ftp.bora.net  [Enter]
bora> cd /pub/Linux/redhat-contrib/libc6/i386/ [Enter]
bora> mget diald16* [Enter]           <---- ÀÌ·¯¸é ¹Þ±â ½ÃÀÛÇÕ´Ï´Ù.
bora> bye {Enter]                     <---- ¸ðµÎ ¹Þ°í³ª¸é Á¾·áÇÕ´Ï´Ù.

[kskim@ja kskim]$ ls -l  [Enter]
total 19431
-rw-r--r--  1 kskim   kskim  159038 Mar 28 20:53 diald16-0.16.5a-2.i386.rpm
-rw-r--r--  1 kskim   kskim    6233 Mar 28 20:54 diald16-config-0.16.5a-2.i386.rpm
</verb></tscreen>

ÀÌÁ¦ ¹Þ¾ÆÁ® ÀÖ´Â °ÍÀ» È®ÀÎÇÒ¼ö ÀÖ½À´Ï´Ù.

<sect1> Diald ¼³Ä¡<p>

root °èÁ¤À¸·Î ¼³Ä¡ ÇÏ¼Å¾ß ÇÕ´Ï´Ù.
<tscreen><verb>
[kskim@ja kskim]$ su   [Enter]
Password:              <--- root ÆÐ½º¿öµåÀÔ·ÂÈÄ [¿£ÅÍ]

[root@ja kskim]# rpm -Uvh diald16* [Enter]
</verb></tscreen>

ÇÏ½Ã¸é ¼³Ä¡°¡ µÇ¾ú½À´Ï´Ù.

<tscreen><verb>
[root@ja kskim]# cd /etc/diald  [Enter]
[root@ja diald]# ls -l  [Enter]        <--- È®ÀÎÇØ º¸¸é
total 14
-rwx------   1 root     root         3414 Apr 20 12:38 connect*
-rw-r--r--   1 root     root         1342 May  3 09:50 diald.conf
prw-rw----   1 root     wheel           0 May  3 11:46 diald.ctl|
-rw-r--r--   1 root     root         1235 Mar 28 13:51 diald.defs
-rw-r--r--   1 root     root         5905 May  3 09:56 phone.filter
</verb></tscreen>

±×¸®°í ³ª¼­ diald.conf¸¦ <file>/etc</> µð·º·Î¸®¿¡ ½Éº¼¸¯¸µÅ© ½Ãŵ´Ï´Ù.

<tscreen><verb>
[root@ja diald]# cd /etc [Enter]
[root@ja etc]# ln -s /etc/diald/diald.conf /etc/diald.conf [Enter]
</verb></tscreen>
±×·¯¸é conf È­ÀϱîÁö ³¡.

<sect1> diald.conf È­ÀÏ ¼öÁ¤<p>

<file>/etc/diald.conf</> È­ÀÏÀ» ¼öÁ¤ÇÕ´Ï´Ù.
<tscreen><code>
# 
# diald.conf for anathoth
#
# Select the demand dial rules you want
# Bring the link up for anything, timeout in seconds. Use this for 
# when the dompute has its own phone line
accept any 420 any                        <---- À̺κÐÀ» '#'·Î ¸·½À´Ï´Ù.
#accept any 420 any                       <---- ÀÌ·¸°Ô..
# Use the filter file that comes with diald.  This can be a bit drastic, 
# so use the filter below
# include /usr/lib/diald/standard.filter
# or use the filter that brings the link up for use on a line shared with
# a phone
# include /etc/diald/phone.filter         <---- À̺κÐÀ» '#'¸¦ Áö¿ó´Ï´Ù.
include /etc/diald/phone.filter           <---- ÀÌ·¸°Ô...

# stuff to set up the diald connection
#device /dev/modem       <--- À̺κÐÀ» Àڽſ¡°Ô ¸Â°Ô ¹Ù²ß´Ï´Ù.
device /dev/ttyS1        <--- ÀÌ·¸°Ô.. (ÀÚ½ÅÀÇ ISDN TA³ª ¸ðµ© ¿¬°áÆ÷Æ® ¿©±â¼­´Â Com2)
speed 115200             <--- TA³ª ¸ðµ©ÀÇ ¼Óµµ ¿©±â¼­´Â 115200bps
lock
mode ppp
# We may get another terminal server, thus use
# 'dynamic' and do not tell PPP the IP number of the other end
# For use with gated, comment out the 'dynamic' option, and
# set remote to be the same as local
dynamic
local 10.0.0.1
remote 10.0.0.2
# pppd-options name anappp :                  <---- À̺κÐÀ» 
pppd-options asyncmap 00000000 name bs0600 :  <---- ÀÌ·¸°Ô...  ......
                                                               ÀÚ½ÅÀÌ °¡ÀÔÇÑ ISPÀÇ Á¢¼Ó ID(°èÁ¤)
# Delay sending packets for 5 seconds after PPP device opens - 
# this allows routes to be established back to the appropriate dialup server.
up-delay 5
defaultroute	
modem
crtscts
connect /etc/diald/connect
redial-timeout 10
fifo /etc/diald/diald.ctl
# restrict 9:00:00 17:45:00 1 * *
# or-restrict 9:00:00 17:45:00 2 * *
# or-restrict 9:00:00 17:45:00 3 * *
# or-restrict 9:00:00 17:45:00 4 * *
# or-restrict 9:00:00 17:45:00 5 * *
# up
</code></tscreen>

device ¼³Á¤½Ã »ç¿ëÇÏ´Â ½Ã¸®¾óÆ÷Æ® ¼³Á¤Àº ´ÙÀ½°ú °°½À´Ï´Ù.

<tscreen><verb>
com1   --->   /dev/ttyS0
com2   --->   /dev/ttyS1
com3   --->   /dev/ttyS2
com4   --->   /dev/ttyS3
</verb></tscreen>

ÀÚ¼¼ÇÑ ³»¿ëÀº Serial-HOWTO¹®¼­¸¦ Âü°íÇϽʽÿÀ.

<sect1> connectÈ­ÀÏ ¼öÁ¤<p>

±×¸®°í ¼öÁ¤ÇÒ È­ÀÏÀº <file>/etc/diald/connect</> ÀÔ´Ï´Ù.

<tscreen><code>
#!/bin/sh
# Copyright (c) 1996, Eric Schenk.
#

--- Áß°£ »ý·« ---

# The initialization string for your modem

#MODEM_INIT="ATZ&C1&D2%C0"    <---- À̺κÐÀ» Àڽſ¡°Ô ¸Â°Ô ¹Ù²ß´Ï´Ù. ¸ðµ©ÃʱâÈ­ ¸í·É
MODEM_INIT="ATB40&J3"         <---- ÀÌ·¸°Ô.. (À̰ÍÀº ISDN TAÀÇ MLPPP Á¦¾î¸í·É)

# The phone number to dial
#PHONE_NUMBER="999111999"     <---- À̺κÐÀ» 
PHONE_NUMBER="01414"          <---- ÀÌ·¸°Ô ... (À̰ÍÀº ÄÚ³ÝISDNÁ¢¼Ó¹øÈ£)

--- Áß°£ »ý·« ---

# Success!
message "Protocol started"
</code></tscreen>

ISDNÀ¸·Î ÀÎÅͳݿ¡ 128KÁ¢¼ÓÀ» ÇÏ·Á¸é ISDN TA°¡
MultiLink PPP ¸ðµå·Î ¼³Á¤µÇ¾î¾ß ÇÕ´Ï´Ù.
ISDN ¿ÜÀåTAÀÇ MultiLink PPP Á¦¾î¸í·ÉÀº ´Ü¸»±âÁ¦Á¶È¸»ç¸¶´Ù Ʋ¸³´Ï´Ù.
¿©±â¼­´Â ´ºÅØÀÇ ``¿È´Ï''¸ðµ¨ ÃʱâÈ­¸í·ÉÀÔ´Ï´Ù.
Á¢¼ÓÀüÈ­¹øÈ£´Â  ISP(ÀÎÅͳݰ¡ÀÔ¾÷ü)¸¶´Ù Ʋ¸³´Ï´Ù. 
¿©±â¼­´Â ÄÚ³ÝÀÇ Á¢¼Ó¹øÈ£¸¦ Àû¾ú½À´Ï´Ù.

¸ðµ©À¸·Î ¿¬°á½Ã¿¡´Â ÃʱâÈ­¸í·É¿¡ 'ATZ'¶ó°í ÀûÀ¸½Ã¸é ¹«¸®°¡ ¾ø½À´Ï´Ù.

<sect1> Passwd¼³Á¤<p>

±×¸®°í ISP Á¢¼ÓÀ» À§ÇÑ Passwd¼³Á¤À» ÇØ¾ß ÇÕ´Ï´Ù.

ÀÎÅͳÝÁ¢¼ÓÀÌ °¡´ÉÇÏ´Ù¸é À̺κÐÀº ¹ú½á ¼³Á¤ÀÌ µÇ¾î ÀÖÀ» ¼öµµ ÀÖ½À´Ï´Ù.
¸¸¾à ¼³Á¤ÀÌ ¾ÈµÇ¾îÀÖ´Ù¸é ¼³Á¤À» ÇÕ´Ï´Ù.

ISDNÀ¸·Î ISP·Î ¿¬°áÇϰųª À©µµ¿ì95·Î ¿¬°á½Ã »ç¿ëÇÏ´Â ¹æ½ÄÀÌ
PAP ÀÎÁõ ¹æ½ÄÀÔ´Ï´Ù.

¼öÁ¤ÇÒ È­ÀÏÀº
<tscreen><verb>
/etc/ppp/pap-secrets            - Passwd¸¦ ¼³Á¤ÇÏ´Â È­ÀÏ ÀÔ´Ï´Ù.
</verb></tscreen>
ÀÔ´Ï´Ù.

<file>/etc/ppp/pap-secrets</> È­ÀÏ ³»¿ëÀÔ´Ï´Ù.

<tscreen><code>
# Secrets for authentication using PAP
# client	server	secret			IP addresses

bs0600  	*	1234      - ÀÌ·±½ÄÀ¸·Î Àû¾îÁÖ¸é µË´Ï´Ù.
jungang 	*	1234      - ´Ù¸¥ °èÁ¤ÀÌ ¶Ç ÀÖ´Ù¸é...
jungang  	ppp0	1234
jungang         ppp1    1234
</code></tscreen>

ID°¡ bs0600 ÆÐ½º¿öµå°¡ 1234¶ó¸é À§¿Í °°ÀÌ Àû¾îÁÝ´Ï´Ù.  
±×·¯¸é Çѹø È®ÀÎÇØ º¸°Ú½À´Ï´Ù.

<tscreen><verb>
[kskim@ja ppp]# ls -l
total 5
-rw-------   1 root     daemon       78 Jun  8  1998 chap-secrets
-rwxr-xr-x   1 root     root        265 Oct 16  1998 ip-down*
-rwxr-xr-x   1 root     root        349 Oct 16  1998 ip-up*
-rw-r--r--   1 root     daemon        5 Jun  8  1998 options
-rw-------   1 root     daemon      300 Apr 16 10:13 pap-secrets    <---- ÀÌÈ­ÀÏÀÌ ¼öÁ¤µÇ¾ú½À´Ï´Ù.
</verb></tscreen>

<sect1> ¸®´ª½º DNS¼³Á¤<p>

±×¸®°í ÀÎÅͳÝÀ» ¿Ã¹Ù·Î Ȱ¿ëÇÏ·Á¸é DNS (µµ¸ÞÀγ×ÀÓ¼­¹ö) ¼³Á¤À» ÇØ¾ß ÇÕ´Ï´Ù.
µµ¸ÞÀÎ ÁÖ¼Ò ¿¹¸¦ µéÀÚ¸é soback.kornet.netÀ» 168.126.3.3 ¶ó´Â IPÁÖ¼Ò·Î ¹ø¿ªÀ»
ÇØÁÖ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù.

¼öÁ¤ÇÒ È­ÀÏÀº <file>/etc/resolv.conf</>
<tscreen><code>
search kt.co.kr co.kr com    <---- µÞºÎºÐÀ» »ý·«ÇßÀ» ¶§ ã¾Æº¸´Â µµ¸ÞÀÎ
nameserver 127.0.0.1         <---- ¸®´ª½º¹Ú½º¿¡¼­ ÀÚü ³×ÀÓ¼­¹ö¸¦ ¿î¿µÇÒ °æ¿ì
nameserver 168.126.63.1      <---- »ç¿ëÇÏ´Â ISPÀÇ DNSÁÖ¼Ò ¿©±â¼­´Â ÄÚ³ÝÀÇ °æ¿ì
nameserver 168.126.63.2      <---- »ç¿ëÇÏ´Â ISPÀÇ º¸Á¶DNSÁÖ¼Ò
</code></tscreen>

¸®´ª½º ¹Ú½º¿¡¼­ DNS µ¥¸óÀ» ¶ç¿ìÁö ¾Ê´Â´Ù¸é 127.0.0.1 À» ÀûÁö ¸¶¼¼¿ä.
±×¸®°í ¿©±â¼­ DNSÁÖ¼Ò´Â ÀÎÅͳݼ­ºñ½º¸¦ ¹Þ´Â ISP·Î ¹®ÀÇÇÏ½Ã¸é ¾Ë¼ö ÀÖ½À´Ï´Ù.

<sect1> phone.filter ¼öÁ¤<p>

ÇÊ¿äÇϽźÐÀº ¼öÁ¤ÇϽñ⠹ٶø´Ï´Ù.
ÀÌÈ­ÀÏÀº ``ƯÁ¤ ÆÐŶ»ç¿ëÈÄ ¾ó¸¶ÀÇ ½Ã°£ÀÌ °æ°úÇÑ ÈÄ Á¢¼ÓÀ» ²÷À» °ÍÀΰ¡?'' ¸¦
¼³Á¤ÇÏ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ´ÜÀ§´Â ÃÊ ÀÔ´Ï´Ù.

À̺κÐÀº Àúµµ Á¤È®È÷ ¸ð¸£°Ú½À´Ï´Ù. 
<file>/usr/doc/diald16-0.16.5a/</> ¾È¿¡ ¼³¸íÀÌ ÀÖÀ¸´Ï ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù.

¼öÁ¤ÇÒ  È­ÀÏÀº <file>/etc/diald/phone.filter</> ÀÔ´Ï´Ù.

<tscreen><code>
# This is a pretty complicated set of filter rules.
# (These are the rules I use myself.)
#

 --- Áß°£»ý·« ---

# NOTE: Your /etc/services may not define the tcp service www, in which
# case you should comment out the following two lines or get a more
# up to date /etc/services file. See the FAQ for information on obtaining
# a new /etc/services file.
accept tcp 240 tcp.dest=tcp.www  <--- À¥»ç¿ë½Ã »ç¿ëÀÌ ³¡³­ ÈÄ 240Ãʰ¡ 
accept tcp 240 tcp.source=tcp.www            °æ°úÇϸé ÀüÈ­¸¦ ²÷½À´Ï´Ù.

# Once the link is no longer live, we try to shut down the connection
# quickly. Note that if the link is already down, a state change
# will not bring it back up.
keepup tcp 5 !tcp.live
ignore tcp !tcp.live

# an ftp-data or ftp connection can be expected to show reasonably frequent
# traffic.
accept tcp 240 tcp.dest=tcp.ftp    <--- FTP»ç¿ëÈÄ 240Ãʰ¡ °æ°úÇϸé Á¢¼ÓÀ» ²÷½À´Ï´Ù.
accept tcp 240 tcp.source=tcp.ftp

 --- Áß°£»ý·« ---

# If we don't catch it above, give the link 10 minutes up time.
# accept tcp 600 any
accept tcp 300 any   <--- 10ºÐÀÌ ±æ¾î¼­ 5ºÐÀ¸·Î ¹Ù²å½À´Ï´Ù.

 --- Áß°£»ý·« ---

# Anything else gest 2 minutes.
accept udp 120 any

# Catch any packets that we didn't catch above and give the connection
# 30 seconds of live time.
accept any 30 any     <--- Á¤ÀǵÇÁö ¾ÊÀº °ÍµéÀº 2ºÐÈÄ Á¢¼ÓÀ» ²÷½À´Ï´Ù.
</code></tscreen>


<sect1> Diald ½ÇÇà<p>

ÀÌÁ¦ Diald¸¦ ½ÇÇàÇÕ´Ï´Ù.

<tscreen><verb>
[root@ja diald]# /etc/rc.d/init.d/diald start  [Enter]
</verb></tscreen>

Diald Á¾·á´Â

<tscreen><verb>
[root@ja diald]# /etc/rc.d/init.d/diald stop  [Enter]
</verb></tscreen>

Ä¡½Ã¸é µË´Ï´Ù.
½ÇÇàÈÄ Á¦´ë·Î ¿¬°áµÇ¾ú´ÂÁö Ping Test¸¦ ÇØº¾´Ï´Ù.

<tscreen><verb>
[kskim@ja kskim]$ping home.hitel.net  [Enter] ÈÄ Á¶±Ý ±â´Ù¸®¼¼¿ä
PING home.hitel.net (203.245.15.254): 56 data bytes
64 bytes from 203.245.15.254: icmp_seq=0 ttl=249 time=117.7 ms
64 bytes from 203.245.15.254: icmp_seq=1 ttl=249 time=60.1 ms
64 bytes from 203.245.15.254: icmp_seq=2 ttl=249 time=60.1 ms
64 bytes from 203.245.15.254: icmp_seq=3 ttl=249 time=60.1 ms
64 bytes from 203.245.15.254: icmp_seq=4 ttl=249 time=60.1 ms
64 bytes from 203.245.15.254: icmp_seq=5 ttl=249 time=60.1 ms
64 bytes from 203.245.15.254: icmp_seq=6 ttl=249 time=60.1 ms
64 bytes from 203.245.15.254: icmp_seq=7 ttl=249 time=70.1 ms

--- home.hitel.net ping statistics ---
8 packets transmitted, 8 packets received, 0% packet loss
round-trip min/avg/max = 60.1/68.5/117.7 ms
</verb></tscreen>

ÀüÈ­°¡ °É·Á°¡°í À§¿Í °°ÀÌ Àß µ¿ÀÛ ÇÕ´Ï´Ù.  
½ÇÇàµÇ¾ú´ÂÁö´Â ¾Æ·¡ ¸í·ÉÀ¸·Î È®Àΰ¡´ÉÇÕ´Ï´Ù.

<tscreen><verb>
[kskim@ja kskim]$/sbin/ifconfig
lo       Link encap:Local Loopback  
         inet addr:127.0.0.1  Bcast:127.255.255.255  Mask:255.0.0.0
         UP BROADCAST LOOPBACK RUNNING  MTU:3584  Metric:1
         RX packets:7329 errors:0 dropped:0 overruns:0 frame:0
         TX packets:7329 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 

eth0     Link encap:Ethernet  HWaddr 00:60:97:5B:1A:BD  
         inet addr:168.248.138.150  Bcast:168.248.138.255  Mask:255.255.255.0
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:168416 errors:4 dropped:0 overruns:0 frame:7
         TX packets:202300 errors:0 dropped:0 overruns:0 carrier:201
         collisions:2479 
         Interrupt:10 Base address:0x6400 

sl0      Link encap:Serial Line IP         <---- ½ÇÇàµÈ°ÍÀ» ³ªÅ¸³À´Ï´Ù. °¡»ó µð¹ÙÀ̽ºÀÔ´Ï´Ù.
         inet addr:10.0.0.1  P-t-P:10.0.0.2  Mask:255.0.0.0
         UP POINTOPOINT RUNNING  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:136 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 

ppp0     Link encap:Point-to-Point Protocol    <--- Áö±Ý ÀüÈ­°¡ °É¸° »óÅÂÀÔ´Ï´Ù.
         inet addr:168.126.43.10  P-t-P:168.126.43.2  Mask:255.255.0.0
         UP POINTOPOINT RUNNING  MTU:1500  Metric:1
         RX packets:1204 errors:0 dropped:0 overruns:0 frame:0
         TX packets:1382 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 
         Memory:2bd9038-2bd9c04 

[kskim@ja kskim]$/sbin/route
Kernel IP routing table
Destination     Gateway  Genmask         Flags Metric Ref  Use Iface
10.0.0.2        *        255.255.255.255 UH    1      0      0 sl0<p>
168.126.43.2    *        255.255.255.255 UH    0      0      0 ppp0
168.248.138.0   *        255.255.255.0   U     0      0    314 eth0
127.0.0.0       *        255.0.0.0       U     0      0     28 lo
default         *        0.0.0.0         U     0      0     35 ppp0  <--- ISP¿¡ Á¢¼ÓµÊ
default         *        0.0.0.0         U     1      0     80 sl0   <--- °¡»ó µð¹ÙÀ̽º
</verb></tscreen>

<sect>´Ù¸¥ PC¿¡¼­ ISDNÀ» ÅëÇÑ ÀÎÅͳݼ­ºñ½º °øÀ¯Çϱâ<p>

WIN95°¡ ¼³Ä¡µÈ ´Ù¸¥ PC¿¡¼­ ¸®´ª½º ¹Ú½º¸¦ ÅëÇÏ¿© ÀÎÅͳÝÀ» °øÀ¯ ÇÒ ¼ö ÀÖ½À´Ï´Ù.
¸®´ª½º¿¡¼­ IP Masquerade ¸¦ »ç¿ëÇÏ½Ã¸é µË´Ï´Ù.

<sect1> ¸®´ª½º¹Ú½º IP Masquerade ¼³Á¤<p>

ÀÚ¼¼ÇÑ ³»¿ëÀº <url url="http://kldp.org/network.html"> ¿¡¼­
IP Masquerade mini HOWTO ÇÑ±Û ¹ø¿ªÆÇ ¹®¼­¸¦ ÂüÁ¶ÇϽñ⠹ٶó¸ç 
¸¸¾à¿¡ ¼³Á¤ÀÌ µÇ¾î ÀÖ´Ù¸é Åë°úÇϽñ⠹ٶø´Ï´Ù.
¿©±â¼­´Â °£´ÜÇÏ°Ô ¼³¸íÀ» ÇϰڽÀ´Ï´Ù.

ÀÏ´Ü root±ÇÇÑÀ¸·Î ÀÛ¾÷ÇÏ·Á¸é
<tscreen><verb>
[kskim@ja kskim]$su [¿£ÅÍ]
Passwd:   <---¿©±â¼­ rootÀÇ ÆÐ½º¿öµå ÀÔ·ÂÈÄ [¿£ÅÍ]¸¦ Ĩ´Ï´Ù.
</verb></tscreen>
±×¸®°í³ª¼­

¸ÕÀú IP Forwarding ÀÌ °¡´ÉÇϵµ·Ï ¸¸µé¾î ÁÝ´Ï´Ù.
¼öÁ¤ÇÒ È­ÀÏÀº <file>/etc/sysconfig/network</> ÀÔ´Ï´Ù.

<tscreen><code>
NETWORKING=yes
FORWARD_IPV4="yes"          <---- ¿©±â°¡ "yes"·Î µÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù.
HOSTNAME="ja.kotel.co.kr"   <---- ¿ä±â´Â PC¸¶´Ù Ʋ¸³´Ï´Ù.
DOMAINNAME=kotel.co.kr      <---- ¿ä±âµµ PC¸¶´Ù Ʋ¸³´Ï´Ù.
GATEWAY=""                          <---- ¿©±â´Â ºñ¿ö³õ¾Æ¾ß ÇÕ´Ï´Ù.
GATEWAYDEV=""                   <----¿©±âµµ ºñ¿ö ³õ¾Æ¾ß ÇÕ´Ï´Ù.
</code></tscreen>

±×¸®°í ³×Æ®¿÷ Àç½Ãµ¿

<tscreen><verb>
[root@ja kskim]#/etc/rc.d/init.d/network restart [¿£ÅÍ] ÇϽðí..
</verb></tscreen>

±×¸®°í ipfwadmÀ¸·Î IP Masqerade ¸í·ÉÀ» ÁÝ´Ï´Ù.

<tscreen><verb>
[root@ja kskim]#/sbin/ipfwadm -F -p deny
[root@ja kskim]#/sbin/ipfwadm -F -a m -S 168.248.138.0/24 -D 0.0.0.0/0  [¿£ÅÍ]Ä¡½Ã¸é µË´Ï´Ù.
</verb></tscreen>

¿©±â¼­ 168.248.138.0/24 ´Â 168.248.138.0 ³×Æ®¿÷ÀÇ ¸ðµç È£½ºÆ®¿¡¼­ 
¿ÜºÎ(ÄÚ³ÝÀ» ÅëÇÑ ÀÎÅͳÝ)À¸·Î Á¢¼ÓÀÌ °¡´ÉÇϵµ·Ï ÇØÁÖ´Â ¸í·ÉÀÔ´Ï´Ù.

´ÜÀÏ È£½ºÆ®¿¡°Ô¸¸ ¿­¾îÁÖ·Á¸é 168.248.138.145/32 ·Î ¿É¼ÇÀ» ÁÖ¸é 168.248.138.145È£½ºÆ®
¿¡¼­¸¸ ¿ÜºÎ·Î Á¢¼Ó°¡´ÉÇÕ´Ï´Ù.

±×¸®°í ºÎÆÃ½Ã ¸¶´Ù ¹ø°Å·Ó°Ô ÀÔ·ÂÇϱ⠱ÍÂúÀ¸½Ã¸é 
<file>/etc/rc.d/rc.local</> È­ÀÏ µÞºÎºÐ¿¡ ¾Æ·¡³»¿ëÀ» Ãß°¡
<tscreen><code>
/sbin/ipfwadm -F -p deny
/sbin/ipfwadm -F -a m -S 168.248.138.0/24 -D 0.0.0.0/0
</code></tscreen>

¸¦ Àû¾îÁÖ¸é µË´Ï´Ù.  <file>/etc/rc.d/rc.sysinit</> È­ÀÏ µÞºÎºÐ¿¡ Àû¾îÁּŵµ µË´Ï´Ù.

<sect1> ¸¶½ºÄÉ·¹À̵ù ¸ðµâ ¶ç¿ì±â<p>

±×¸®°í FTP³ª ƯÁ¤¼­ºñ½º¸¦ »ç¿ëÇϽ÷Á¸é º°µµÀÇ ¸ðµâÀ» »ç¿ëÇØ¾ß ÇÕ´Ï´Ù.  
±×·¯¸é ¸ðµâÀ» ¿Ã¸³´Ï´Ù.

<tscreen><verb>
[root@ja kskim]# modprobe ip_masq_ftp     [Enter]   <--- FTP¸¦ »ç¿ëÇϱâÀ§ÇØ
[root@ja kskim]# modprobe ip_masq_raudio  [Enter]   <--- RealAudio¸¦ »ç¿ëÇϱâÀ§ÇØ
[root@ja kskim]# modprobe ip_masq_vdolive [Enter]   <--- ...¸¦ »ç¿ëÇϱâÀ§ÇØ
</verb></tscreen>

¸Þ¹ø ºÎÆÃ½Ã ½ÇÇàÇϱ⠱ÍÂúÀ¸½Ã¸é <file>/etc/rc.d/rc.local</> È­ÀÏÀÇ µÞºÎºÐ¿¡ Ãß°¡ÇØ 
ÁÝ´Ï´Ù.  ¾Æ´Ï¸é <file>/etc/rc.d/rc.modules</> È­ÀÏÀ» ¸¸µå¼Åµµ µË´Ï´Ù.
<tscreen><code>
#!/bin/sh

modprobe ip_masq_ftp
modprobe ip_masq_raudio
modprobe ip_masq_vdolive
</code></tscreen>

<tscreen><verb>
[root@ja kskim]# chmod 755 /etc/rc.d/rc.modules  [Enter]·Î ÆÛ¹Ì¼ÇÀ» Á¶Á¤ÇÕ´Ï´Ù.  
</verb></tscreen>
±×·¯¸é ´ÙÀ½ ºÎÆÃ½ÃºÎÅÍ´Â ¸í·ÉÀ» µû·Î ÁÖ½Ç Çʿ䰡 ¾ø½À´Ï´Ù.

<sect1> À©µµ¿ì95¿¡¼­ÀÇ ³×Æ®¿÷¼³Á¤(Ŭ¶óÀ̾ðÆ®)<p>

°£´ÜÈ÷ ¾ê±âÇÏÀÚ¸é

<itemize>
<item>À©µµ¿ì95ÀÇ µðÆúÆ®°ÔÀÌÆ®¿þÀ̸¦ ¸®´ª½º¹Ú½ºÀÇ IPÁÖ¼Ò·Î ÁöÁ¤ÇÏ¼Å¾ß ÇÕ´Ï´Ù. 
<item>À©µµ¿ì95ÀÇ DNS¼­¹öÁÖ¼Ò¸¦ 
<itemize>
<item> ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÒ °æ¿ì ¸®´ª½º¼­¹öÀÇ IPÁÖ¼Ò¸¦ µî·Ï
<item> ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÏÁö ¾ÊÀ» °æ¿ì ISPÀÇ DNS¼­¹öÁÖ¼Ò µî·Ï
</itemize>
</itemize>

¼º´ÉÀ¸·Î µûÁöÀÚ¸é ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µÇÒ¶§°¡ ÈξÀ ÁÁ½À´Ï´Ù.
À©µµ¿ì98¿¡¼­µµ Àß µ¿ÀÛÇÕ´Ï´Ù.


¼³Á¤¹æ¹ýÀº

<itemize>
<item>µðÆúÆ®°ÔÀÌÆ®¿þÀÌ µî·Ï 
<enum>
<item> À©µµ¿ì95ÀÇ ``½ÃÀÛ''¸Þ´º Ŭ¸¯
<item> ``¼³Á¤'' - 
<item> ``Á¦¾îÆÇ'' ¼±ÅÃ
<item> ``³×Æ®¿öÅ©'' ´õºíŬ¸¯
<item> ``³×Æ®¿öÅ© ±¸¼º''ÅÇ ¼±ÅÃ
<item> ``TCPIP - 3Com Etherlink III'' Ŭ¸¯  - ·£Ä«µå¿¡ ¿¬°áµÈ TCP/IP ·£Ä«µå¿¡ µû¶ó Ʋ¸²
<item> ``µî·ÏÁ¤º¸'' Ŭ¸¯
<item> ``°ÔÀÌÆ®¿þÀÌ''ÅÇ Å¬¸¯
<item> ``»õ °ÔÀÌÆ®¿þÀÌ''Ç׸ñ¿¡ ¸®´ª½º¹Ú½ºÀÇ ·£Ä«µåÀÇ IPÁÖ¼Ò(ÀúÀǰæ¿ì 168.248.138.150)¸¦ Àû¾îÁÝ´Ï´Ù.
<item> ``Ãß°¡(A)'' Ŭ¸¯Çϸé ``¼³Ä¡µÈ °ÔÀÌÆ®¿þÀÌ'' ¿¡ ÇØ´ç IP°¡ º¸ÀÔ´Ï´Ù.
</enum>

<item> DNS¼­¹ö µî·ÏÀ» ÇÕ´Ï´Ù. DNS¼³Á¤À» À§Çؼ­´Â (1-7) À§¿Í µ¿ÀÏ
<itemize>
<item> ``DNS ±¸¼º'' ÅÇ ¼±ÅÃ
<item> ``DNS »ç¿ë'' ¼±ÅÃ
<item> ``È£½ºÆ®''¿Í ``µµ¸ÞÀÎ''¿¡ ÇØ´ç ISPÀÇ DNS¼­¹ö µµ¸ÞÀÎÀ» Àû½À´Ï´Ù.
    ±×³É ´ëÃæ Àû¾îµµ µË´Ï´Ù.
<item> ``ãÀ» DNS ¼­¹ö ÁÖ¼Ò'' ¿¡ DNS¼­¹ö IPÁÖ¼Ò¸¦ Àû½À´Ï´Ù.
    ¿©±â¿¡´Â ¸®´ª½º¹Ú½ºÁÖ¼Ò¸¦ Àû°í ``Ãß°¡''¸¦ ´©¸¨´Ï´Ù.
    ¸®´ª½º¹Ú½º¿¡¼­ DNS¼­ºñ½º¸¦ ¿î¿µ ¾ÈÇÒ ¶§¿¡´Â ÀûÁö ¸¶¼¼¿ä.
<item> ``ãÀ» DNS ¼­¹ö ÁÖ¼Ò'' ¿¡ ISP¾÷ü DNS¼­¹ö IPÁÖ¼Ò¸¦ Àû½À´Ï´Ù.
    ÄÚ³ÝÀº 168.126.63.1 ÀÔ´Ï´Ù. Àû°í ``Ãß°¡''¸¦ ´©¸¨´Ï´Ù.
    ±×·¯¸é DNS¼­¹ö°¡ 2°³ µî·Ï µÇ¾ú½À´Ï´Ù.
<item>``È®ÀÎ''À» Ŭ¸¯ÇÏ°í ³ª°¡¸é ÀçºÎÆÃÇ϶ó´Â ¸Þ¼¼Áö°¡ ³ª¿É´Ï´Ù.
</itemize>
</itemize>

ÀçºÎÆÃÇϸé ÀÌÁ¦ ¸®´ª½º ¹Ú½º¸¦ ÅëÇØ ÀÎÅͳÝ(ÄÚ³Ý)À» »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
°³·«ÀÇ ¿¬°áµµ´Â ¾Æ·¡¿Í °°½À´Ï´Ù.

<tscreen><verb>
PC 1 Win95 
IP   168.248.138.2  -----+
Mask 255.255.255.0       |
Gw   168.248.138.150     |                                        INTERNET
                         |       +------------+                         |
PC 2 Win95               |       |  Linux Box |                         |
IP   168.248.138.3  -----+---- eth0 -------- ppp0 ------- Kornet ISDN --+
Mask 255.255.255.0       |             IP 168.126.43.2    01414
Gw   168.248.138.150     |  IP 168.248.138.150            IP 168.126.43.10
                         |  Mask 255.255.255.0
PC 3 Win95               |
IP   168.248.138.4  -----+
Mask 255.255.255.0
Gw   168.248.138.150
</verb></tscreen>

¿©±â¼­´Â ³»ºÎ³×Æ®¿÷ÁÖ¼Ò¸¦ ºÎ¿© ¹Þ¾Ò±â ¶§¹®¿¡ 168.248.138.0 ³×Æ®¿÷À» »ç¿ëÇÏ¿´°í 
ÀϹÝÀûÀ¸·Î´Â ³»ºÎ³×Æ®¿÷ ¿ëÀ¸·Î ¹èÁ¤µÈ 192.168.0.0 ³×Æ®¿÷Áß¿¡¼­ 
ÆíÇÑ´ë·Î ÁöÁ¤Çؼ­ »ç¿ëÇÏ¸é µË´Ï´Ù. ¿¹)192.168.1.0 À̳ª 192.168.2.0 µîµî

<sect>ÀÌÈÄ °³¼±¹æÇâ<p>

¸®´ª½º¹Ú½º¿¡ ÇÁ·Ï½Ã ¼­¹ö µ¹¸®±â(RedHat 5.2¿¡ squid°¡ µé¾îÀÖ½À´Ï´Ù. 
Àß µ¹¾Æ°©´Ï´Ù.).

À¥À¸·Î ½ÇÇàÇϰí Á¾·áÇϵµ·Ï ¸¸µé±â ... ? ?

<sect>°á·Ð<p>

¼öµ¿À¸·Î ÀüÈ­¸¦ °É°í ²÷À» ÇÊ¿ä¾øÀÌ ¸®´ª½º ¹Ú½º¿¡¼­ ÀÚµ¿À¸·Î ÀüÈ­¸¦ °É°í
²÷¾îÁֱ⠶§¹®¿¡ »ç¿ëÇϱ⠰£ÆíÇÕ´Ï´Ù.
½ÃÁßÀÇ ISDN¶ó¿ìÅÍ¿Í ¶È°°½À´Ï´Ù. 
ISDN 1ȸ¼± ¶Ç´Â ¸ðµ© 1ȸ¼±À¸·Î À¥À» ÁÖ·Î »ç¿ëÇÑ´Ù¸é ¼ÓµµÀúÇϾøÀÌ ÀÎÅͳÝÀ»
»ç¿ëÇÒ¼ö À־ ÅëÈ­·á¸¦ ¾Æ³¥¼ö ÀÖ´Ù. ÁÖ·Î Áß¼Ò±â¾÷¿¡ PC¸¦ 10´ë Á¤µµ 
¹°·Á¼­ »ç¿ëÇϱ⿡´Â ±¦Âú´Ù°í »ý°¢ÇÕ´Ï´Ù.


ÀÌ ¹®¼­ÀÇ °³¼±Àº ÀÌÁ¦ ¸¶°¨ ÇÏ·Á°í ÇÕ´Ï´Ù.
Á¦°¡ ¾ËÂ¥5.2¸¦ »ç¿ëÇϰí Àֱ⠶§¹®¿¡ ¾ËÂ¥¹èÆ÷ÆÇ 6.0 ¿¡ ´ëÇØ¼­ ¾Ë·Áµå¸®Áö
¸øÇÏ´Â °Í¿¡ ´ëÇØ¼­ ¹Ì¾ÈÇÏ°Ô »ý°¢Çϰí ÀÖ½À´Ï´Ù.

´Ù¸¥ °÷¿¡ »ç¿ëÇϼŵµ ÁÁ°í ¹®¼­¸¦ º¸¿ÏÇϽźÐÀÌ ÀÖ´Ù¸é Á¦°Ôµµ 1ºÎ º¸³»ÁÖ¼¼¿ä.

<tscreen><verb>
1999.11.11.

±è±â¼ö 
<baram88@kldp.org>
<baram88@hanmir.com>
<http://www.uijongbu.co.kr>
<http://baram88.dns4u.com>
</verb></tscreen>


<sect> Áú¹®°ú ´ë´ä<p>

<itemize>
<item> À©µµ¿ì Ŭ¶óÀÌ¾ðÆ®¿¡¼­ http://168.126.63.18ÀÌ·±½ÄÀÇ ÁÖ¼Ò´Â 
  ¾Ë¾Æ ¸Ô´Âµ¥ ¶È°°Àº http://www.kornet.net´Â ¸ø¾Ë¾Æ ¸Ô½À´Ï´Ù.
  ¾î¶»°Ô ÇØ¾ß Çմϱî ?

<bf/´ä:/ À©µµ¿ìÀÇ ³×Æ®¿÷¼³Á¤¿¡¼­ DNS¼­¹ö°¡ µî·ÏµÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù.
   ¸®´ª½º¿¡¼­ DNS¼­¹ö¸¦ ¿î¿µÇÑ´Ù¸é ¸®´ª½º¼­¹öÁÖ¼Ò¿Í
   ISPÀÇ DNS¼­¹öÁÖ¼Ò¸¦ Àû¾îÁÖ¸é µÇ°í, 
   ¸®´ª½º¹Ú½º¿¡¼­ ¿î¿µ ¾ÈÇÒ °æ¿ì¿¡´Â ÇØ´ç ISPÀÇ DNS¼­ºñ½º ÁÖ¼Ò¸¦ 
   Àû¾îÁÖ¸é µË´Ï´Ù.

<item> ¸®´ª½º ¹Ú½º¿¡¼­ ÀÎÅͳݿ¡ Á¢¼ÓÀº µÇ´Âµ¥ ping Å×½ºÆ®°¡ ¾ÈµÇ°í
  ³Ý½ºÄÉÀÌÇÁ·Î ¹ÛÀ¸·Î ³ª°¡Áö ¸øÇÕ´Ï´Ù.

<bf/´ä:/ <file>/sbin/ifconfig</> ·Î ppp0 µð¹ÙÀ̽º°¡ ÀâÈ÷´Âµ¥ ¿ÜºÎ·ÎÀÇ pingÀÌ ¾ÈµÉ °æ¿ì
   µÎ°¡Áö¸¦ Á¡°ËÇØ º¸¼Å¾ß ÇÕ´Ï´Ù.

<enum>
   <item> ¸®´ª½º¹Ú½º¿¡ ¹Ì¸® µðÆúÆ®°ÔÀÌÆ®¿þÀ̰¡ ¼³Á¤µÇ¾î ÀÖ´Â °æ¿ì
      ppp ·Î ¿¬°áµÈÈÄ ¿¬°áµÈ ppp0 µð¹ÙÀ̽º°¡ µðÆúÆ®°ÔÀÌÆ®¿þÀÌ·Î ÀâÇô¾ß
      ¿ÜºÎ·ÎÀÇ ¿¬°áÀÌ Àß µË´Ï´Ù.
      Á¡°ËÇÒ È­ÀÏÀº <file>/etc/sysconfig/network</> È­ÀÏÀÔ´Ï´Ù.
<tscreen><code>
NETWORKING=yes
FORWARD_IPV4="yes" 
HOSTNAME="ja.kotel.co.kr"
DOMAINNAME=kotel.co.kr
GATEWAY="" <--- ¿©±â¿¡ ¾Æ¹«³»¿ëµµ ¾ø¾î¾ß ÇÕ´Ï´Ù.
GATEWAYDEV="" <--- ¿©±â¿¡µµ ¾Æ¹«³»¿ëµµ ¾ø¾î¾ß ÇÕ´Ï´Ù.
</code></tscreen>
   <item> PPP¿¬°á ¿É¼Ç¿¡¼­ asyncmap Ç׸ñÀÌ ¼³Á¤ÀÌ µÇ¾î¾ß ÇÕ´Ï´Ù.
      <file>/etc/diald.conf</> È­ÀÏÀ» Á¡°ËÇÕ´Ï´Ù.
<tscreen><verb>
# pppd-options name anappp :                  <---- À̺κÐÀÌ 
pppd-options asyncmap 00000000 name [º»ÀÎI.D] :  <---- ÀÌ·¸°Ô ¹Ù²î¾ú´ÂÁö
</verb></tscreen>
</enum>
 
<item> ¿¬°á¸í·ÉÀ» Áá´Âµ¥ Àåºñ¿¡ ºÒÁ¶Â÷ µé¾î¿ÀÁö ¾Ê½À´Ï´Ù.

<bf/´ä:/ ½Ã¸®¾óÆ÷Æ®°¡ ¿Ã¹Ù¸£°Ô ¼³Á¤µÇ¾ú´ÂÁö È®ÀÎÇÏ¼Å¾ß ÇÕ´Ï´Ù.
   device ¼³Á¤½Ã »ç¿ëÇÏ´Â ½Ã¸®¾óÆ÷Æ® ¼³Á¤Àº ´ÙÀ½°ú °°½À´Ï´Ù.
<tscreen><verb>
com1   --->   /dev/ttyS0
com2   --->   /dev/ttyS1
com3   --->   /dev/ttyS2
com4   --->   /dev/ttyS3
</verb></tscreen>
   ÀÚ¼¼ÇÑ ³»¿ëÀº Serial-HOWTO¹®¼­¸¦ Âü°íÇϽʽÿÀ.
</itemize>

<itemize>
<item> Âü°í ÇÏÀÌÅÚ »ç¿ë½Ã
<itemize>
<item> Á¢¼ÓÀüÈ­¹øÈ£ : <bf/02-3144-0470-6/: ISDN 64K,128K
                   <bf/01432/: ¸ðµ© 56k
<item> DNS : 204.252.145.2 
<item> DNS : 204.252.145.10 º¸Á¶
</itemize>

<item> ¸ðµ¨º° ML-PPP¸í·É <-- Á÷Á¢ ½ÃÇèÀº ¾ÈÇØºÃ½À´Ï´Ù.
<itemize>
<item> DigitelÀÇ DTA-200U : AT$V=2    <--- ´ë¿ì OEM ³³Ç°
<item> ´ºÅØÁ¤º¸Åë½ÅÀÇ ¿È´Ï : ATB40&J3
<item> I&T TelecomÀÇ TA-3000US : AT&O27  <--- ÄÚ¼¼½º OEM ³³Ç° 
     128K Á¢¼Ó ¾ÈµÉ½Ã Æß¿þ¾î ¾÷±×·¹À̵å ÇÊ¿ä.
<item> ½´ÆÛ³×Æ®ÀÇ NTA´Â MLPPP¸í·ÉÀÌ ¾ø´ä´Ï´Ù. 64K·Î ¾²¼Å¾ß ÇÒ°Í °°½À´Ï´Ù.
     (<htmlurl url="mailto:»ç±¤¼± kssa@hanmail.net´ÔÀÌ »ç¿ëÇÏ°í °è½Ê´Ï´Ù." name="»ç±¤¼± kssa@hanmail.net´ÔÀÌ »ç¿ëÇÏ°í °è½Ê´Ï´Ù.">)
<item> ÁßµµTAÀÎ UTA-128¸ðµ¨ÀÇ ¸í·É
<tscreen><verb>
64K Á¢¼ÓÀ» ÇÏ·ÁÇÒ¶§´Â  AT&F1
128K Á¢¼Ó½Ã¿¡´Â        AT&F2
</verb></tscreen>
    °­Ã¶±Ô kang cheul kyu <htmlurl url="mailto:skiland@kornet.net" name="skiland@kornet.net">´ÔÀÌ Àß¾²°í °è½Ê´Ï´Ù. 1999.10.01
</itemize>
</itemize>
</article>




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