  1996/04/03 Linux NET-2/3-HOWTO
  Terry Dawson, 94004531@postoffice.csu.edu.au
  ޤߤĤҤ isle@st.rim.or.jp
  v3.5, 16 January 1996

  ʸ Linux  NET-2  NET-3 ȸƤФͥåȥѤΥե
  ɤΤ褦ꡢ󥹥ȡ롢ꤹ뤫ˤĤƤޤȤ᤿Τ
  ĤΡ֤ФпҤͤ(FAQ)פФϿդ
  Ƥޤʸ tcp/ip ΥͥåȥˤĤƤμͿ褦
  Ͻ񤤤Ƥޤ󤬡ǽϰϤɬפʾꤳǤޤtcp/ip
  ͥåȥθˤĤƤζʽϸҤ뻲ͽ
  ______________________________________________________________________

  Table of Contents:

  1.      ȥ
  1.1.    С󤫤ѹ
  1.2.     Linux ѥͥåȥɤδñʳȯ

  2.      վ(Disclaimer)

  3.      ⤦Ǥ

  4.      Ϣʸ(tcp/ip ˤĤƤ꿼ٶˤ)
  4.1.    ʸκǿ
  4.2.    եɥХåΤꤤ

  5.      ʸǻȤѸ

  6.      NET-3 󶡤Ƥ뵡ǽ
  6.1.    Ūʵǽ
  6.2.     ݡȤƤ륤ͥåȥ
  6.3.    ޥ奢̵Υݡ

  7.      NET-2/NET-3 եȥˡ
  7.1.    ͥΥ
  7.2.    ɬפʥ饤֥
  7.3.    ͥåȥѤΥġ
  7.4.     ͥåȥѥץꥱ
  7.5.    ¾Υɥ饤

  8.      ͥ
  8.1.    ͥåȥѤΥץϼºݤˤϤɤΤ褦Ư򤹤Τ

  9.      ͥåȥѥǥХ
  9.1.     /dev ˤ륹ڥǥХե
  9.2.    ΤäƤ٤
  9.3.    /etc/rc.d/rc.inet1,2/etc/rc.net/etc/init.d/network
  9.4.    loopback ǥХ(ɬ)
  9.5.    ͥåȥɤ(ץ)
  9.6.    SLIP ǥХ(ץ)
  9.7.    PLIP ǥХ(ץ)

  10.     ϩ(롼ƥ)(ɬ)
  10.1.   Ū/ưϩ
  10.2.   ǥեȤηϩ(ǥեȥ롼)
  10.3.    (Proxy) ARP
  10.4.   gated ϩѤΥǡ

  11.     ͥåȥѥǡ
  11.1.   /etc/rc.d/rc.inet2 (rc.net θȾ)
  11.2.   rc.inet2 ե
  11.3.   ¾ͥåȥɬפʥե
  11.4.   ۥ̾Ѵ
  11.5.   ¾Υե

  12.     ʤ
  12.1.   PPP - Point to Point Protocol.
  12.2.   Slip Сˡ
  12.3.   ưޥȥǡ - AMD
  12.4.    Linux 롼ȤƻȤˤ
  12.5.   NIS - Sun Network Information System

  13.     ¸/ȯΥ⥸塼
  13.1.   snmp 
  13.2.   Token Ring ѥɥ饤
  13.3.   V.35 󥿥եܡ
  13.4.   SLIP/PPP ѤưŪȯѥѥå
  13.5.   ISDN ݡ
  13.6.   System-V Streams
  13.7.   ATM (Asynchronous Transfer Mode)
  13.8.   X.25 ݡ
  13.9.   Appletalk Υݡ
  13.10.  IP_MASQUERADE -ʣΥۥȤĤ˸
  13.11.  IP ALIAS ĤΥ󥿡եʣΥɥ쥹ꤹˡ

  14.     ѥġ - ɤĴ٤ˤϡ
  14.1.   ping - ˤ뤫
  14.2.   traceroute - ɤäƤعԤ
  14.3.   tcpdump - ͥåȥγưĴ
  14.4.   icmpinfo - icmp εϿ
  15.     FAQ ȴñ
  15.1.   Ūʼ䡧
  15.2.   顼å
  15.3.   ϩꡧ
  15.4.   Linux  Novell Υե륵С뤤 NFS ȤƻȤˤ
  
  15.5.   SLIP ˤĤƤμ䡧
  15.6.   PPP ˤĤƤμ

  16.     å - SLIP  PPP ΥС

  17.     Х

  18.     Copyright Message.

  19.     Miscellaneous and Acknowledgements.
  ______________________________________________________________________

  1.ȥ

  ʸ Linux NET-2/3  HOWTO Ǥ NET-FAQ 䤽
   NET-2-HOWTO ΥС 1.0+ Ū˽񤭲᤿ΤǤ
  ʸ Linux kernel ΥС 1.0 ʾѤο NET-2/NET-3 tcp/ip
  ͥåȥѤ˽񤫤Ƥޤ

  1.1.С󤫤ѹ

  ɲá

  /åץǡȡ
          ipalias ˤĤ 1.3.* ͥб
          IPX ΤĤƤμ IPX-HOWTO Ҳ

  [v1.x Τϡ

                ܸ : ڡ (NBB02702@niftyserve.or.jp)
                : ܾΣţ (yammasts@mcd.yh.nec.co.jp)
                    : ֣ɣ (GAA00714@niftyserve.or.jp)

  γƤޤ

  v.3.x ǤϡǤŪ˲ƤƤ褦ʤΤǡ
  (isle@st.rim.or.jp)  0 ޤΤᡢ
  ܸǤ٤ơƤΥåԽʬȻפޤޤSLIP
  ˤĤƤϾܤ񤤤ƤޤԤϼºݤ˻ȤäȤʤΤǡ
  礭ʴ㤤򤷤ƤȤ뤫Τޤ󡣤ʤȤ˵Ť
  ϸ浤ڤԤޤϢ]

  1.2.  Linux ѥͥåȥɤδñʳȯ

  Ross Biro <biro@yggdrasil.com> ǽ Linux kernel Υͥåȥ
  ѥɤ񤭤ޤϡͥåѤΥɥ饤Ф Donald Becker
  <becker@cesdis1.gsfc.nasa.gov> ΤΤ SLIP ѤΥɥ饤Ф
  Laurence Culhane <loz@holmes.demon.co.uk>ΤΤD-Link Υɥ饤
   Bj0rn Ekwall <bj0rn@blox.se> ΤΤѤƤޤ

  θ塢ͥåȥΥɤ Fred van Kempen <waltje@hacktic.nl>
  ѤRoss Υɤ򸵤 NET-2꡼ȯŸޤNET-2
  ɤϤθ⤤ĤΥС󥢥åפԤʤ졢ǽŪˤ  Alan
  Cox <iialan@iifeak.swan.ac.uk>  NET-2 ΥɤŰŪ˥ǥХå
  ơǿΥͥ˼ꤳޤ褦˰ꤵޤΥɤϸ
  NET-2D(ebuggued)  ȸƤФƤꡢLinux 1.0 ꡼뾯ɸ
  Υͥ˼ꤳޤ褦ˤʤޤ

  PPP   Michael Callahan <callahan@maths.ox.ac.uk>  Al Longyear
  <longyear@netcom.com> ݡȤǽϥͥΥѥåȤơ
  ɸΥͥ꡼˼ꤳޤ褦ˤʤޤ

  ǿΥɤ NET-3 ȸƤФСǡ¿ν䵡ǽ
  ƤޤŪˤ ͥ 1.1.5 ʹߤΥСƱ
  ɤѤƤޤ

  Alan  IPX  AX.25 ⥸塼ȸäǽä Florian La Roche <
  flla@stud.uni-sb.de>  ϥͥåȥѥץꥱκǿǤ
  Ƥޤ

  ͵ PLIP ɥ饤Фǽޤ

  Jonathan Naylor  AX.25 ɤγȯĤNetRom ޤ¿ε
  ǽɲäޤ

  ¾ο͡Хν䥢ץꥱΰܿǥХɥ饤
  Фκ˶ϤƤޤ

  2.վ(Disclaimer)

  Linux Υͥåȥɤϡ tcp/ip ͥåȥץȥ
  򥫡ͥؼΤǤ0 鳫ȯ졢¸ΥͥåȥѤΥ
  ɤܿΤǤϤޤ

  Linux Υͥåȥѥɤϡͥ˼줿Ǥ⿷׿Ū
  ʥɤǤȤ褦ˤʤäƤΤǡεǽ򡢿
  ꥱ˻ȤäꡢȤ˻Ȥ¿Υǥ٥åѤȯ
  ʤäƤޤΥɼȤϤޤήưŪǡ¿ΥХ
  뤫Τޤ󡣤ޤѥåĤФ뤫Τޤ
  ⤷򵤤ˤʤСǤΥͥ°ΥͥåȥѤΥ
  ɤȥ桼ƥƥץȤ褦ˤᤷޤǤΥ
  ϥ꡼ֹ 2 ܤοΤΤǤ㤨 1.2.7ϰ
  ΥͥǤ꡼ֹ 2 ܤοΥСΥ
  ϳȯѤΥСǡƥ Υ꡼ʤΤХϤ¿
  ޤޤƤǤ礦

  ͤγȯԤͥåȥѥɤˤκǽƤꡢΥƥ
  ȤХ/ΥݡȤμνԤäƤޤ
  ¿ʬʤηиѤΤΤǡȤʹǡᤤ
  褵뤳ȤǤ礦Ǥ顢δֲ뤫⤷ǽ
  Ǥʤ顢ҶϤ򤪴ꤤޤ

  ɮԤˤ Linux ΥͥåȥѤΥեȥƤΤ뤳ȤϤ
  ޤ󡣤⤷ʸ˴ְ㤤äƤ⴪ۤƤơְ
  ϻ䤿˶ƤʸǰäƤ뤽줾Υեȥ
  ξܺ٤ȤΤʾˤĤƤϡ줾Υեȥ°
  READMEե򻲾ȤƤ䤿Ϥʸǽʸ¤ꡢְ㤤
  ̵褦ˡǿǤ褦ˡؤƤޤʸΥեȥ
  СϼɮΤΤǤ

  ա̾Ƥ뤳Ȥ顢 BSD  NET-2 ꡼  ȺƱ뤳
  ޤLinux ΥͥåȥѤΥɤ BSD  NET-2 ꡼
  ϲδط⤢ޤξԤƱʤ褦ˤƤ

  3.⤦Ǥ

  "ͣ줪ʼˬͤʤä"

  ⤷Ū˴ؤ뵿䤬äơޤޤ HOWTO  FAQ ɤ
  ǤĤʤä硢comp.os.linux.networking ƤΤ
  Ǥ礦⤷꤬ä Linux ΥͥåȥѤΥɤ˰
  ¸ΤʤСNET ᡼󥰥ꥹȤƤΤΤޤ
  Ƥݤˤϲǽʤ¿δϢޤƤ
  ʬʥХݡȤۤɥ饤餵ΤϤޤ

  Ǥ⡢ȤäƤ륽եȥΥС/ӥֹ桢ξ
  򵯤ĶˤĤƤɬפǤǽʸ¤ꡢ¹Ծ
  ֤׵ϿǥХååդ뤳ȤɬפǤ

  줾Υǥȥӥ塼ˤĤƤϡͥåȥ
  ɤγȯԤǤϤʤޤΥǥȥӥ塼γȯԤ˼
  䤷Ƥʤʤ顢ĤΥǥȥӥ塼Ǥϡɸ
  Ūʥǥ쥯ȥ깽¤򤷤ƤΤ䡢ƥ/ɸǤΥͥåȥ
  ɤ桼ƥƥץźդƤΤ⤢뤫Ǥ
  NET-2 ɤγȯԤϡʸ˽񤫤ƤʳηǤΥǥȥ
  ӥ塼ˤĤƤϥݡȤǤޤ󤷡ƥѤΥեǤΥǥ
  ȥӥ塼ˤĤƤ⥵ݡȤǤޤ

  linux-net Υ᡼󥰥ꥹȤ˻äˤϡ᡼󥰥ꥹȤΥС
  Ǥ

        Majordomo@vger.rutgers.edu

  ˡ

        subscribe linux-net

  Ƚ񤤤᡼äƤ̵֥뤵ޤդ
  餤ΤǤlinux-net ᡼󥰥ꥹȤϳȯ˴ؤԤ
  ǡ鿴Ԥ䤹٤Ǥޤ

  PPP ˤĤƤ᡼󥰥ꥹȤꡢäˤƱɥ쥹
  subscribe linux-ppp Ƚ񤤤᡼äƤ

  linux-hams ȸƤФ᡼󥰥ꥹȤ¸ߤޤΥ᡼󥰥ꥹ
  Ȥϥޥ奢̵˴ؤץˤĤƵ뤿˺ޤ
  Υ᡼󥰥ꥹȤ˻äˤϡƱɥ쥹 subscribe
  linux-hams  Ƚ񤤤᡼äƤ

  4.Ϣʸ(tcp/ip ˤĤƤ꿼ٶˤ)

   HOWTO äƤʤ tcp/ip ˴ؤ硢ʲʸ
  ͤˤʤǤ礦

  Olaf Kirch  Linux Network Administration Guide(NAG) ȸƤФʸ
  Linux Documentation ProjectΰĤȤƺޤʸϡNFS
   UUCP, Żҥ᡼롢ͥåȥ˥塼͡ॵСʤɡ Linux 
  tcp/ip ͥåȥȤˡƤ򰷤äƤޤ

  NAG Ϥ HOWTO 䤦Τǡʸ񤬰ʤʬ濴˰äƤ
  ޤ HOWTO  NET ɤΥ󥹥ȡꡢ㤨С`ɤΤ褦
  ˤƥ󥿡ͥåȤ³뤫'ˤĤƤΤߤ򰷤äƤޤ⤷
  ʤ unix ΥͥåȥˤĤƽ鿴ԤʤСNAG ꤷɤǤ
  뤳Ȥ򶯤ᤷޤNAG Ϥʸоݳοͤ褹뵿ο
  ƤޤNAG ϽҤȤƤǤޤʲΥɥ쥹
  ftp ꤹ뤳ȤǽǤ

  sunsite.unc.edu

        /pub/Linux/docs/linux-doc-project/network-guide/*

  Υǥ쥯ȥˤϤĤΥСΥɥȤ֤Ƥ
  ޤʸΥեޥåȤ⤵ޤޤǡץ졼ƥȡݥȥ
  ץȡDVI, Latex, groff ΥեޥåȤΤΤϤǤ

  The Linux Network Administrators Guide (c)Olaf Kirch.

  ߤǤϤĤβҤ Linux ʸǤƤꡢʬȤμ
  ftp ƥץȥȤλ̵֤С̽ҤȤ礭
  ܤꤹ뤳ȤϲǽǤ

  [ NAG ϶ܸǤȯ䤵ͽǤ]

  Linux ΥͥåȥˤĤƤϰʲ HOWTO ⻲Ȥ٤Ǥ

  Ethernet-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/Ethernet-HOWTO.html> HOWTO 
  ͥåȥɤȤˤޤɤ٤ΤǤEthernet-HOWTO
  ϡLinux Ѥ˥ͥåȥɤӡ󥹥ȡ뤷ꤹ뤫ˤ
  ƾܤ⤷Ƥꡢͥåȥɥ饤Ф˴ؤǤˡ
  ˤĤƤ񤫤Ƥޤ(ˮ)

  PPP Ȥ PPP-HOWTO PPP-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/PPP-HOWTO.html> ΩĤǤ
  (ˮ)

  IPX ˴ؤƤ IPX-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/IPX-
  HOWTO.html> (ˮ)

  SLIP  PPP ȤäƥСΩˤ Serial-HOWTO Serial-
  HOWTO <http://sunsite.unc.edu/mdw/HOWTO/Serial-HOWTO.html> Ω
  Ǥ礦(ˮ)

  Sun  Network Information Service(NIS) ȤˤNIS-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/NIS-HOWTO.html> ΩĤǤ
  (ˮ)

  ޥ奢̵ѤΥեȥȤ HAM-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/HAM-HOWTO.html> ͭפǤ礦

  Żҥ᡼ͥåȥ˥塼ꤹݤˤĤƤMail-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/Mail-HOWTO.html>(ˮ) News-
  HOWTO <http://sunsite.unc.edu/mdw/HOWTO/News-HOWTO.html> ΩĤ
  礦(ˮ)

  UUCP ͳǥ󥿡ͥåȤ³硢UUCP-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/UUCP-HOWTO.html> ͭפǤ礦(ˮ
  )

  Linux ޥȤäɲ(firewall)ޥꤹˤϡ
  Firewall-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/Firewall-HOWTO.html>ΩĤǤ
  

  tcp/ip ˴ؤŪʾٶˤϡʲʸΩĤ
  礦

     tcp/ip ξҲ
        text version <ftp://athos.rutgers.edu/runet/tcp-ip-intro.doc>,
        postscript version <ftp://athos.rutgers.edu/runet/tcp-ip-
        intro.ps>.

     tcp/ip ˡ
        text version <ftp://athos.rutgers.edu/runet/tcp-ip-admin.doc>,
        postscript version <ftp://athos.rutgers.edu/runet/tcp-ip-
        admin.ps>.

  ˾ܺ٤ʾɬפʾ硢νҤ򶯤ᤷޤ

        "Internetworking with TCP/IP"
        by Douglas E. Comer

        ISBN 0-13-474321-0
        Prentice Hall publications.

  Unix δĶǥͥåȥѤ륢ץꥱ󥽥եȥ
  ˤϡʲνҤǤ

        "Unix Network Programming"
        by W. Richard Stevens

        ISBN 0-13-949876-1
        Prentice Hall publications.

  4.1.ʸκǿ

  ʸդ 2 ʾʤ顢꿷ΤФƤϤǤ
  Linux ΥͥåȥϤƿʲ®ޤޤʿǽ
  ꤳǤΤǡʸ⤫ʤ٤ǹƤޤǿǤϰʲ
   anon-ftp ȤǽǤ

  sunsite.unc.edu

        /pub/Linux/docs/HOWTO/NET-2-HOWTO

  뤤ϡ

        /pub/Linux/docs/HOWTO/other-formats/NET-2-HOWTO{-html.tar,ps,dvi}.gz

  WWW ͳʤС Linux Documentation Project Web Server
  <http://sunsite.unc.edu/mdw/linux.html>  NET-2-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/NET-2-HOWTO.html>ڡľ
  <94004531@postoffice.csu.edu.au>ƤϢǿǤŪ
  comp.os.linux.networking  comp.os.linux.answers news.answers 
  ƤƤޤ

  news.answers Ƥ줿 FAQ ϡʸޤơ
  rtfm.mit.edu:/pub/usenet ݴɤƤޤ

  4.2.եɥХåΤꤤ

  Ȥǿ󡢤¾Ǥ⡢ɮ
  <94004531@postoffice.csu.edu.au> ޤΤ餻ƤϢᤤ
  ɡʸ᤯˲/뤳ȤǤޤǶϤޤͥå
  ˥塼򸫤ƤʤΤǡĤС᡼ľܤΤ餻
  undernet IRC ͥåȥ #linpeopleͥ terryd Ϣ
  ĤΤޤ

  5.ʸǻȤѸ

  ʸǤϡ饤Ȥ䥵СȸäѸ¿ܤˤ뤳
  ˤʤޤϴ˰Ū˻ȤƤѸǤʸ
  ϰʲΤ褦Ƥޤ

     饤
        ӥǡꤹ뤿ˡ餫ư³򳫻Ϥ
        ץ
     С
        ʣγޥ󤫤餫³׵Ĥơ˥ӥ
        ǡ󶡤ޥץ

  Ϥۤɸ̩ʤΤǤϤޤ󤬡Τˤϥ饤Ȥȥ
  дطȤϸˤ SLIP  PPP ȸäа(peer to peer)³
  ξṳ̈ΤˤȤǤ礦

  ¾ѸȤƤϡ

     IP ɥ쥹
        ͥåȥ TCP/IP ۥȤˡ˼̤뤿ֹ档IP
        ɥ쥹 4 ХȤǹ졢ƥХȤ 10 ʿɽƥɥ
        (`.')Ƕڤä(㤨 123.45.678.9)ɽޤ

     ϡɥɥ쥹
        ϡɥɥ쥹ʪͥåȥΥǥؤǥۥ
        Ȥդ˼̤뤿οǤͥåȥɥ쥹 AX.25
        ɥ쥹ʤɤϡɥɥ쥹Ǥ

     ǡ
        ǡࡧǡϡIP ͥåȥžǡ
        δñ̤ǡǡȤιԤΥɥ쥹դإå鹽
        Ƥޤǡ `ѥå' ȤƤФƤޤ

     MTU
        žñ(Maximum Transmission Unit)άǡ꾮ñ̤
        ʬ䤻 IP 󥿡ե뤳ȤΤǤǡ
        祵򼨤ޤMTU Ϻʬ줺ꤿǤ礭ʥǡ
        Υ礭ʤФޤդƤ餤
        ΤǤǻꤷƤ륵ϥ˺ʬݤ
        ǤꡢžǤ˾ MTU ꤵ졢ǡ
        Ǻʬ뤫ΤޤMTU ŵŪͤϡͥ
        ȤǤ 1500 ХȡSLIP Ǥ 576 ХȤǤ

     MSS
        祻ȥ(Maximum Segment Size)Ȥϡ٤žǤ
        Υǡ̤Ǥ⤷ʥͥåȥȤǥǡ
        ʬʤСMSS  (MTU - IP إå)ʬ礭
        ɬפǤ

     ɥ
        ɥȤϼü٤˼Υǡ̤Ǥ

     ϩ(route)
        ϩ ȤϥǡबŪϤéĤޤǤ˷ͳƤϩ(
        )Ǥ

     ARP
        ARP Ȥ Address Resolution Protocol ƬʸäΤǡ
        ͥåȥΥޥ IP ɥ쥹ȥϡɥɥ쥹
        ĤݤѤץȥǤ

  6.  NET-3 󶡤Ƥ뵡ǽ

  NET ɤ Linux ѤΥͥ˼줿 tcp/ip ץȥ
  Ǥ

  6.1.Ūʵǽ

  ǿ NET-3 Υɤϰʲεǽ󶡤Ƥޤ

     Ethernet Cards
        ĤΥݡ֥ѡݥåȥץPCI Ѥޤơ
        ΥͥåȥɤϥݡȺ

     SLIP(ꥢ饤 IP) PPP (ݥȡȥݥ)ץȥ
        "Ȥȥǥ𤷤òΥޥľ뤷ꥢ
        饤 tcp/ip ץȥ̤ȤǤޤ

     Van Jacobsen إå
        tcp/ip ץȥΥإå򰵽̤ơòΤ褦®٤
         SLIP/PPP θΨ夲ޤ

     PLIP(ѥ饤 IP)
        ץ󥿥ݡ(ѥݡ)Ȥä 2 Υޥ IP ³
        뤳ȤǽǤ

     EQL ɥХ󥷥
        2 (뤤Ϥʾ)βƱѤƲ®٤
        Υޥ䡢(⤷ȤäƤץХݡȤƤ)
        ͥåȤ³뤳ȤǽǤͥ(1.3.x)ǥݡ
        ȤƤޤ

     NFS (Networked File System)
        ͥåȥͳ¾ΥޥΥե륷ƥޥȤ뤳
        ǽǤ

     IPX (Novell)
        ʬ IPX ѤΥץꥱ񤤤ꡢLinux  IPX Υ롼
        ѤǤޤ

     Sun  Network Information System - NIS
        NIS μ Linux ˰ܿѲǽǤ

     ARCNet
        ARCNet ѤΥɥ饤ФⳫȯѤǡǿΥͥˤɸǴޤޤ
        ޤ ARCNet ϥͥåȤۤ®Ϥޤ󤬡ɤ
        äȰ²ǽǤ

     IBM's Token Ring
        ȤСLinux ޥ Token Ring Lan ³뤳Ȥǽ
         Token Ring ѤλǤΥɥ饤ФϺǿΥͥ°Ƥ
        ޤ

     Appletalk
        뤤ϡ֥ȡפȸƤ֤٤Ǥ礦ɤˤ衢
        Ȥ Macintosh ȥեץ󥿤ͭ뤳Ȥǽ
        ܤϡּ¸桢뤤ϳȯΥ⥸塼פξϤ
        

     WaveLan Wireless Lan Card support
        WaveLan Wireless Lan Card ȤСưĶʤͥåȥ
        Υƥ뤳ȤǽǤǿΥͥˤϥɥ饤
        ФޤޤƤޤ

     ISDN
        ĤΥ᡼ ISDN ɤμ¸ŪʥݡȤԤʤ
        ޤܤϡּ¸桢뤤ϳȯΥ⥸塼פξϤ
        

     ATM
        Linux Ѥ ATM ɥ饤ФȯΥब¸ߤޤ

     IP firewalling
        ȤСLinux ޥɲɥޥ(firewall gateway)
        ꤹ뤳ȤǽǤ

     IP Accounting
        ȤСïɤ줯餤ͥåȥȤäƤ뤫εϿ뤳
        ȤǤޤ

     IP tunnelling
        ͡ IP μ¸˻Ȥޤ

  ʲεǽ NET-3 ɤˤϤޤޤޤƤޤ

     SPX/NCP (Novell Netware)
        ݡȤСNovell Υͥåȥե륷ƥޥ
        Ȥꡢͥåȥץ󥿤Ѥ뤳ȤǽˤʤϤ
        ߤⳫȯʹǤNovell ʤǤΤ
        ⤦֤ꤽǤ

     FDDI
        ȤΤϰϤǤ Linux Ѥ FDDI ɤΥɥ饤Ф
        ƤͤϤޤ

     System-V streams
        Linux Ѥ System-V ߴΥȥ꡼ȯο͡ޤܺ
        ϸҤޤ

  6.2.ݡȤƤ륤ͥåȥ

  kernel 1.2.0 ǤϰʲΥͥåȥɤݡȤƤޤ

  o  WD80*3 θߴ

  o  SMC Ultra.

  o  AMD LANCE  PCnet (AT1500 and NE2100) ڤӤθߴ

  o  3Com 3c501 (٤ǤҤɤ٤).

  o  3Com 3c503.

  o  3Com 3c505.

  o  3Com 3c507.

  o  3Com 3c509/3c579.

  o  Cabletron E21xx.

  o  DEPCA ȸߴ

  o  EtherWorks 3.

  o  ARCNet.

  o  AT1700 (ߴɤǤϤʤ).

  o  EtherExpress.

  o  NI5210 ȸߴ.

  o  NI6510.

  o  WaveLAN.

  o  HP PCLAN+ (27247B  27252A).

  o  HP PCLAN (27245  27xxx ꡼).

  o  NE2000/NE1000 ȸߴ.

  o  SK_G16.

  o  Ansel Communications EISA 3200.

  o  Apricot Xen-II on board ethernet.

  o  DE425, DE434, DE435.

  o  Zenith Z-Note.

  o  AT-LAN-TEC/RealTek pocket adaptor.

  o  D-Link DE600 pocket adaptor ȸߴܡ

  o  D-Link DE620 pocket adaptor ȸߴܡ

  СΥͥǤϤ˥ݡȤƤ륫ɤƤ
  

  Linux ǥͥåȥɤȤĤʤСEthernet-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/Ethernet-HOWTO.html> ܤ̤Τ
  Ǥ礦Ethernet-HOWTO ˤϥݡȺѤΥͥåȥɤΥꥹ
  Ȥ䥤ͥåȥɤ㤦ݤդʤɡͭפʾ¿ܤƤ
  ޤ

  ޤǤ˽Ҥ٤Ƥ褦ˡLinux ΥͥåȥϥͥåȰʳˤ
  ʷ֤Υͥåȥ³򥵥ݡȤƤޤؤ䥤󥿡
  ͥå³󶡤ƤҤ륢å׷Υͥåȥ³
  ӥ󶡤ƤޤΥӥϤƤ SLIP  PPP ³η
  ˤʤäƤޤΤǡLinux ȤдñˤΥӥ뤳
  ǤޤSLIP  PPP ³ɬפʤΤò̤Υǥ
  Τǡ Linux ޥꤹФˤǤ SLIP  PPP ͳǥ
  󥿡ͥåȤ³뤳ȤǽǤλξܺ٤ˤĤƤϸҤ
  ޤ

  6.3.ޥ奢̵Υݡ

  ߤ Linux ϤĤΥޥ奢̵˸ͭεǽ⥵ݡȤƤ
  ǿγȯǤΥͥˤϰʲεǽɸ°Ƥޤ

     AX.25
        Alan Cox  Jonathan Naylor ͥ AX.25 åȵǽ
        ߤߤޤ

     NetRom
        Jonathan Naylor ȯǤΥͥ NetRom εǽȤߤߤޤ
        ޤȯǤŸɹΤ褦Ǥ

     Ottawa PI Card
        Dave Perry  Ottawa Packet Radio Group  Ottawa PI 
        ѤΥɥ饤ФϴƤޤ

     Generic SCC card driver
        Joerg Reuter  SCC ѤΰŪʥɥ饤ФȯǤ
        ͥ°Ƥޤ

     A kernel user network link driver
        ȤСݤ pty Ȥ鷺˥桼ץ󥯤뤳
        ȤǽǤ

  ޥ奢̵ˤĤƤξܺ٤ HAM-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/HAM-HOWTO.html> 

  7.  NET-2/NET-3 եȥˡ

  ͥåȥطΥեȥꤹɬפʥեȥꤹ
  ɬפޤɬפʥեȥ version 1.0 ʹߤΥͥ롢
  饤֥ꡢtcp/ip ѥץե(㤨
  /sbin/ifconfig  /etc/hosts ʤ)telnet, ftp, rlogin Ȥäͥå
  ѤΥץꥱǤ

  Slackware Τ褦ʥǥȥӥ塼η֤ Linux ꤷƤ
  硢ͥåȥѤե饤֥ꡢƼ異ץꥱ
  ɬפʤΤ·äƤϤǤɬפʥե뤬뤫ǧƤ
  ޤ礦

  աǥȥӥ塼ˤäƤϡե䥳ޥɤ HOWTO
  ƤΤȤϰ㤦˥󥹥ȡ뤵Ƥǽ⤢ޤ

  Ǥ˥ͥåȥѤΥեȥ·äƤС֥ͥ
  ޤǿʤǤͥåȥѤΥեȥ̵ˤΤߡ
  λؼ˽ȡ

  7.1.ͥΥ

  Linux ξ硢 1.2.* ΥСֹĥͥ뤬 Ǥ 1.3.*
  ΥСΤΤϳȯǤΥͥȰ֤ŤƤޤѥå
  ƤꥫͥΥΤѤȤͤʤ 1.2.*ΥС
  ΥͥȤΤǤ礦1.2.* ΥͥǤɬפʵǽ
  ʬͭƤϤǤʤ顢ͥåȥ˴ؿ
  顢פä 1.3.* οСΥͥѤ뤳
  ᤷޤ1.3.* ΥͥǤϥͥåȥΥɤˤޤ
  ʲɤܤƤޤˤʹƤȻפޤ1.3.*
  ΥСΥͥȤ硢¸ΥƥϥХååפƤ
  ƥ˲ȥ֥뤬ޤ礦

  1.2 ꡼κǿΥͥ

  ftp.funet.fi

        /pub/OS/Linux/PEOPLE/Linus/v1.2/linux-1.2.13.tar.gz

  Ǥ gzip ǰ̤줿եʤΤŸˤ gzip ɬפ
  

  󥹥ȡϰʲΤ褦ˤޤ

        # cd /usr/src
        # mv linux linux.old
        # gzip -dc linux-1.2.13.tar.gz | tar xvf -

  patch-1.2.1.gz.. ȤäեƱǥ쥯ȥˤϤǤ
  ϥѥåեˤʤäƤޤ1.2.1 ΥͥȤΤϡ 1.2.0
  ΥС˥ѥåĤä֤̣ޤǤ顢 1.2.1
  ΥͥȤäƤ硢patch-1.2.1.gz 򤢤ƤɬפϤޤ
  ⤷ȤΥͥΥС礭СΥѥåե
  뤬ä硢ꤷơʲˡǥͥ륽˽
  ѥå򤢤ơС󥢥åפޤ

        # cd /usr/src
        # for patchfile in .../patch*
        > do
        > gzip -dc $patchfile | patch -p0 2>>patch.errs
        > done

         ...

  åϤ줿ե(patch.errs)åơ fail Ȥ
  ʸ󤬤뤫ǧޤդʤסѥå̵ˤ
  ޤ⤷ fail... ȽϤƤСʤäѥå
  ե뤬ޤξ硢ѥå򤢤ƤΥͥ륽Ÿ
  ơİĥѥåե򤢤Ƥʤ顢ɤΥѥå顼ˤʤä
  뤫Ĵ٤ޤ礦ޤʤ狼ʤϥȥ֥ݡ
  ȤФƤ

  7.2.ɬפʥ饤֥

  ͥåȥǽȤˤϡǤ 4.4.2 ʹߤ libcȤ
  礦ΥСǤϥ֥ͥåȥޥ꤬ޤ

  ǿ a.out פΥ饤֥(libc-4.6.27) 

  sunsite.unc.edu

        /pub/Linux/GCC/

  ǤޤʤȤʲΥե뤬ɬפǤ

  o  image-4.6.27.tar.gz

  o  inc-4.6.27.tar.gz

  o  extra-4.6.27.tar.gz

  o  release.libc-4.6.27

  libc 4.6.27 򥤥󥹥ȡ뤹  ɬ  release.libc-4.6.27 ɤ
  4.5.26 ⿷ libc Ȥˤ GCC  2.6.2 ⿷
  С 1.1.52 ʹߤΥͥ뤬ɬפǤ

  7.3.ͥåȥѤΥġ

  ͥåȥˤѤΥץ򽸤᤿桼ƥƥ
  ɬפǤ

  ǿ NET-2 ѥ桼ƥƥ

  ftp.linux.org.uk

        /pub/linux/Networking/PROGRAMS/NetTools/net-tools-1.2.0.tar.gz

  Ǥޤ

  ͥΥͥåȥΥɤߤɤĤŤƤ
  ǡͥåȥѤΥץѤ륫ͥбС
  Τɬפˤʤޤ

  ե̾οΥץबư٥ΥͥΥС
  ̣ƤޤȤͥΥСֹƱ
  ⾮ʿĥեꤷƤ

  ꤷץ򥳥ѥ뤹ˤϡ

        # cd /usr/src
        # mkdir net-tools
        # cd net-tools
        # gzip -dc net-tools-1.2.0.tar.gz | tar xvf -
        # make

  Ȥޤ"make" ϤмưŪ  Configure.sh  Ȥѥ
  ץȤư졢ɬפԤʤäǥѥ뤵ޤޤ
  ѥǤʤ顢

        # make install

  Ȥơѥ뤷ץ˰ܤޤ礦

  1.1.26 ŤСΥͥȤäƤ硢

  ftp.linux.org.uk

        /pub/linux/Networking/PROGRAMS/Other/net032

  åƤΥǥ쥯ȥˤ 3 ΥͥåȥѤ
  ץब¸ƤޤȤΥͥΥСб
  ѥå̾ϰʲ̤Ǥ

        net-0.32d-net3.tar.gz     1.1.12+
        net-0.32b.tar.gz          1.1.4+
        net-0.32.old.tar.gz       pre 1.1.4 kernels

  Υѥåˤ ifconfig  route, netstat Ȥäͥåȥ
  ȤˤɬܤΥץबäƤޤ줾λȤˤĤƤϸ
  Ҥޤ

  7.4.ͥåȥѥץꥱ

  ͥåȥȤˤϡtelnet  ftp , finger Ȥäץ䤽
  Υӥ󶡤ǡץɬפǤ礦Florian La
  Roche <flla@stud.uni-sb.de> ޤȤƥХʥȥΤ
  ܴۥå(ǥȥӥ塼)Ƥޤtcp/ipѤ
  ץꥱץμ¹ԷեΥץ

  ftp.funet.fi

        /pub/OS/Linux/PEOPLE/Linus/net-source/base/NetKit-A-0.08.bin.tar.gz
        /pub/OS/Linux/PEOPLE/Linus/net-source/base/NetKit-B-0.06.tar.gz

  Ǥޤ⿷С󤬸ĤСȤ
  ƤꤹСɬפʴĶäƤ뤫ɤǧ뤿
  ° README ե  ޤ  ɤǤ

  Florian ϥͥåȥѤΥץꥱΥХʥ(B Ȥ줿ѥå
  )ۤƤޤǶϤȤ᤿褦ʤΤǡ漫ʬǥ
  뤷ʤȤʤΤޤ󡣥ѥϰʲΤ褦˹Ԥޤ

        # cd /usr/src
        # gzip -dc NetKit-B-0.06.tar.gz | tar xpvlf -
        # cd NetKit-B-0.06

   README եɤǤȤξˤäƤϡ
  Makefile  HAVE_SHADOW_PASSWORDS ꤹɬפ뤫Τ
  ޤ󡣻 shadow password ϻȤäƤʤΤǡιԤƬ # 
  ƥȥȤƤޤĤʬä˽ɬפϤʤΤǡ

        # make
        # make install

  ƥѥ롢󥹥ȡ뤷ޤ

  פաFlorian Ϥ tar եѼԤؤޤ뤿˺
  Ƥޤϲǽʸ¤괰ʤΤϤơ net-
  tools.n.n.nn ΥХʥꤳ褦ˤƤޤ Florian 
  ǥ쥯ȥ깽¤ Alan ιͤƤǥ쥯ȥ깽¤ȤϰۤʤäƤ
  ΤᡢΥץ򥤥󥹥ȡ뤹ݤˤϽʬդƤ
  衢Florian ϥǥ쥯ȥ깽¤ѹ뤫Τޤ󤬡
  ꤢߤλǤϡ嵭ˡǤʤʲΤ褦ʼǥ󥹥ȡ
  뤹뤳Ȥᤷޤ

        -  Ŭڤʾ ХʥեŸ롧
        # cd /usr/src
        # mkdir NetKit
        # cd NetKit
        # gzip -dc NetKit-A-0.07.bin.tar.gz | tar xpvlf -
        # gzip -dc NetKit-B-0.06.bin.tar.gz | tar xpvlf -

        -  Florians ХʥƤ
        # rm ./bin/hostname ./sbin/route ./sbin/ifconfig ./sbin/netstat
        # rm ./usr/sbin/arp ./usr/sbin/rarp ./usr/sbin/slattach

        -  Florian Υե˥ԡ

        # cp -vrpd . /

  7.5.¾Υɥ饤

  AX.25 ʤɸ߳ȯʹ桢ʤǤǤΥƥȥɤȤ
  ȤϡΥѥåꤹɬפޤܺ٤ˤĤƤܽ
  Ŭڤʲս򻲾ȤƤ

  8.ͥ

  ͥåȥѤΥġȤäͥåȥѤ򤹤˥ͥ
  Τ˥ͥåȥǽȤߤޤƤ뤫ǧɬפޤ
  μ¤ˡϡʬȤɬפʥץꤷƥͥƹۤ
  ȤǤ礦

  ͥΥɤŸ졢ɬפʥѥåˤƤƤ
  ΤȤäʤޤξ硢ɬפʤȤ
  /usr/src/linux/drivers/net/CONFIG եԽǤ
  ϥե뼫Τ˥ȤȤƽ񤭤ǤΤǡΥե
  вꤹ٤Ϥ狼Ǥ礦̾ǥեȤ꤬Τޤ
  Ȥơ٤Ϥ鷺ΤϤǤξ硢ѹɬ
  ޤǤΥեϻȤȤƤ륤ͥåȥɤ
  ޤŪʤΤǤ̵䥤ͥåȥɥ饤Фǧʤ
  ˤΤɬפȤʤޤΥեСĤΥ
  ͥåȥɤľǧ뤳ȤǽǤ㤨СWD-8013 ˤ褯
  뤬ɥ饤Ф򤽤ΤޤޤǤϻȤʤ硢Υեƶͭ
  Υɥ쥹ѹɥ饤ФǧƤɬפ
  Υեξܺ٤ŬѲǽʥͥåȥɤˤĤƤ
  Ethernet-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/Ethernet-HOWTO> ˾
  Ƥޤޤ CONFIGեǤ PLIP ˴ؤѥ
  ᡼ꤹ뤳ȤǽǤä٤ޥʳǤϥǥեȤ
  פʤϤǤ

  ɬפ˱ CONFIG ե饫ͥκƹۤ˰ܤޤ
  /usr/src/linux ˤ Makefile  VGA ŬڤʤΤ
  ͥѤΥץưޤ

        # cd /usr/src/linux
        # make config

  СץबɬפҤͤƤޤͥåȥ˴ط
   4 ġ General Setup Networking option Network device
  supportFilesystems ʬǤǤѤʤΤ  Network device
  support  ʬǤ礦ʬǤϼºݤѤǥХ(ͥåȥ
  )ꤹɬפޤ¾ʬǤϤƤǥե
  ΤޤޤפʤϤǤʲ˼ºݤˡҤ٤ޤ

        *
        * General setup
        *
         ...
         ...
        Networking support (CONFIG_NET) [y] y
         ...
         ...

  General setup  Networking support (CONFIG_NET) ʬǤϥͥåȥ
  Ȥɤꤷޤˤ "yes" ʤФʤޤ
  

        *
        * Networking options
        *
        TCP/IP networking (CONFIG_INET) [y]
        IP forwarding/gatewaying (CONFIG_IP_FORWARD) [n]
        IP multicasting (CONFIG_IP_MULTICAST) [n]
        IP firewalling (CONFIG_IP_FIREWALL) [n]
        IP accounting (CONFIG_IP_ACCT) [n]
        *
        * (it is safe to leave these untouched)
        *
        PC/TCP compatibility mode (CONFIG_INET_PCTCP) [n]
        Reverse ARP (CONFIG_INET_RARP) [n]
        Assume subnets are local (CONFIG_INET_SNARL) [y]
        Disable NAGLE algorithm (normally enabled) (CONFIG_TCP_NAGLE_OFF) [n]
        The IPX protocol (CONFIG_IPX) [n]
        *

  Networking options θȾǤϥͥåȥΤ줾εǽȤ
  ꤷޤƤǥեȤΤޤޤפǤ⤷ѹ
  ϡ줾μФŬڤԤäƤɽ
  ΰ̣ˤĤƤϸǴñ˿ޤΤạ̇̄Ф
  

        *
        *
        * Network device support
        *
        Network device support? (CONFIG_NETDEVICES) [y]
        Dummy net driver support (CONFIG_DUMMY) [n]
        SLIP (serial line) support (CONFIG_SLIP) [y]
         CSLIP compressed headers (CONFIG_SLIP_COMPRESSED) [y]
         16 channels instead of 4 (SL_SLIP_LOTS) [n]
        PPP (point-to-point) support (CONFIG_PPP) [y]
        PLIP (parallel port) support (CONFIG_PLIP) [n]
        Do you want to be offered ALPHA test drivers (CONFIG_NET_ALPHA) [n]
        Western Digital/SMC cards (CONFIG_NET_VENDOR_SMC) [y]
        WD80*3 support (CONFIG_WD80x3) [y]
        SMC Ultra support (CONFIG_ULTRA) [n]
        AMD LANCE and PCnet (AT1500 and NE2100) support (CONFIG_LANCE) [n]
        3COM cards (CONFIG_NET_VENDOR_3COM) [n]
        Other ISA cards (CONFIG_NET_ISA) [n]
        EISA, VLB, PCI and on board controllers (CONFIG_NET_EISA) [n]
        Pocket and portable adaptors (CONFIG_NET_POCKET) [n]
        *

  Υ󤬤äȤפɬܤʬǤʬѤϡ
  ɥǥХμꤷƤޤǤϡإåΰ̵ǽ
  ߤ SLIP ꤷ¾ PPP  WD80*3 ɥ饤ФΤߤꤷƤ
  ˤäƤϡʳΥץ⤢뤫
  ΤޤSLIP  n 顢إåΰ̤˴ؤ 16
  ͥ˴ؤϾάޤȤǽˤΤ y ơ
  ǤϤʤǽˤ n ޤ礦פʵǽȤߤȥͥ
  礭ʤޤɥ饤ƱΤδĤƯʤȤ⤢ޤ

        *
        * Filesystems
        *
         ...
         ...
        /proc filesystem support (CONFIG_PROC_FS) [y]
        NFS filesystem support (CONFIG_NFS_FS) [y]
         ...
         ...

  긵Υޥ NFS Ȥ硢NFS ե륷ƥȤ褦˻
  ꤷޤͥåȥѤγƼΥ桼ƥƥѤΤ /proc
  ե륷ƥȤ褦ꤷƤޤ礦

  ꤬λСϼºݤ˥ͥ򥳥ѥ뤹Ǥ

        # make dep
        # make

  ͥ뤬ȥѥǤʤ褦ʤ  make zlilo
  뤳Ȥ˺ʤ褦ˡ

  8.1.ͥåȥѤΥץϼºݤˤϤɤΤ褦Ư򤹤Τ

  ǿΥͥǤ  make config  κݤ¿ΥץҤͤ
  ޤƤΥץϥǥեȤΤޤѹɬפϤ
  ޤ󤬡ĶˤäƤϤĤΥץѹͭʤ
  ⤢ޤ

     TCP/IP networking
        ΰ̣Ǥ礦λˤä tcp/ip ץȥεǽ
        򥫡ͥȤߤߤޤ HOWTO ɤǤͤϤΥ
        ץ `y'Ƥ

     Dummy networking device
        SLIP  PPP Υ桼륢å׻˻ꤵ줿ꥢ
        ³Ȥϰۤʤ롢Ω IP ɥ쥹ȤݤѤǥХ
        εǽȤСʤΥޥ 2 ĤΥɥ쥹Ϳ뤳
        ȤñˤǤޤ

     IP forwarding/gatewaying
        ΥץϡʤΥޥ󰸤ƤȤϰۤʤ륢ɥ쥹ä
        Ȥäˤɤ뤫λǤIP 롼
        ǽ硢Υץ `y' ƤSLIP 
        PPP ΥСȤʤޥǤϡ̾Υץꤹɬ
        פޤ

     IP multicasting
        ϦǤ IP ޥ㥹ȵǽȤɤλǤ
        ǽ `Internet Talk Radio' ӥǥʤɤȤݤ
        ѤޤǻꤹΤϥͥˤĤƤεǽΤߤʤΤǡ
        ݤ IP ޥ㥹ȤȤ硢ѤΥץबɬפȤʤ
        ޤ

     IP firewalling
        ΥץꤹС tcp/ip γƥݡȤΤɤѲǽ
        ɤǽˤ뤫ɤϰϤ IP ɥ쥹ĥۥȤ
        ³Ĥ뤫Ȥäޤޤʥƥ˴ؤ
        Ѳǽˤʤޤεǽ⡢ºݤ˻ȤˤϳƼΥץ
        ɬפǤ

     IP accounting
        Υץ Linux ޥȤäƥ󥿡ͥåȤؤξѤ
        ³ӥ󶡤褦Ȥ͸ΤΤǤΥץλ
        ˤäơ IP ɥ쥹ȤˤɤΥݡȤ鲿ХȤΥǡ
        ȤꤷεϿ뤳Ȥǽˤʤޤӥץबɬ
        פȤʤޤεǽѤ뤳ȤǡʤΥޥȤ
        ƤͤȡӥȤβݶ⤬ǽˤʤޤ

     PC/TCP compatibility mode
        ΥץϥѥѤ tcp/ip(PC/TCP) ΥХб뤿
        ΤΤǤѥѤ PC/TCP μΤĤˤ꤬
        ơ줬 Linux (б񤷤)Х˿Ƥޤå
        ǽޤΥץλϤΤ褦ʥȥ֥
        ɤΤΤǤ̾盧ΥץꤹɬפϤޤ
        ͥåȥ PC/TCP ȤäȤʤѥ󤬤С
        Υץꤷޤ
     Reverse ARP
        RARP ץȥεǽ򥫡ͥȤߤफɤλǤSun
        3 ޥ֡Ȥ뤿Ȥߤޤ줿ǽʤΤǡʳξ
        ǤϤޤȤȤϤޤ

     Assume subnets are local
        ȤäƤ륵֥ͥåȤˤʤΥޥľ³Ƥ뤫
        åʤɤǡ˺ʬ䤵Ƥ뤫λǤǥեȤΤ
        ޤǤۤȤɱƶϤʤϤǤ

     Disable NAGLE algorithm
        ϥǡबž륿ߥ󥰤ꤹ뤿Υץ
        ǤǥեȤ꤬ؤɤξǺΥѥեޥ󥹤
        disable ˤǽϰϤǤϥå
        ȤץѹǽʤΤǡͥϥǥե
        ȤΤޤޤˤơºݤΥץǡäᤤȿɬפ
        ˸¤ä NAGLE 르ꥺѤʤ褦ˤ
        礦

     The IPX protocol
        IPX ץȥεǽ򥫡ͥȤߤफɤλǤIPX
        Ȥ Novell ȯ IP ץȥˤ褯ͥåȥѤΥ
        ȥǤ

     Amateur Radio AX.25 Level 2
        ޥ奢̵Ѥ AX.25 ץȥȤߤफɤλ
        ΥץꤹСͥåȥåȤο
        ץफȤ褦ˤʤޤAX.25 ץȥϡ
        å̵Ȥޥ奢̵Ȥδ֤ǻȤƤץȥ
        

  9.ͥåȥѥǥХ

  ޤǤޤСȤͽΥͥåȥѥǥХεǽȤߤ
   Linux ͥȤꤹ뤿Υץब·äϤ
  餬򤯤ʤޤ衣ޤȤͽΥǥХ򤽤줾
  ɬפꤢϡ줾ΥǥХȤ IP ɥ쥹
  ³Ƥͥåȥꤹ롢Ȥˤʤޤ

  ʸθŤСǤϤܴۤʷǳƼѤΥե
  ٤ԤϤ줾ΥեΥȤǻꤷ
  ޤΥСʹߤϤѤơ 0 äե
  뤬Ȥ٤¸ߤ餬ɤΤ褦ʵǽ̤ΤϤ
  餫ΤäƤΤȲꤷޤξǡ줾ΥեˤĤ
  ơɬפ˱Ƥεǽ⤹뤳Ȥˤޤ

  9.1.  /dev ˤ륹ڥǥХե

  Linux ξ硢ͥåȥȤΤ /dev ʲΥڥǥХե
  ꤹɬפϤޤ¾ OS Τ褦˥ͥåȥѤΥ
  ǥХפʤΤǤɬפʥǥХϥͥ뤬ưŪ
  ˺ΤǡڥǥХľܤˤ뤳ȤϤޤ󡣤
  Ψ褯Ѥ뤿εǽƥͥ뤬󶡤ޤ

  9.2.ΤäƤ٤

  ͥåȥˤĤꤹ³ͥåȥˤĤƤξɬ
  פȤʤޤɬפʾϡ³ΥץХͥåȥδԤ
  ƤϤǤ

  9.2.1.  IP ɥ쥹

  ϥɥåȤǶڤä 10 ʿɽ줿Ȥ 128.253.153.54 
  褦ʷΡƥޥ˸ͭΥɥ쥹ǤΥɥ쥹ϥͥåȥ
  ԤʤΥޥѤ˻ꤷƤϤǤ

  SLIP  plip ³硢 IP ɥ쥹λפʤΤ SLIP ˤ
  Ƥι˿ʤǤ

  loopback ǥХΤߤȤ硢ʤͥåȤ SLIP, plip 
  Ȥʤʤ顢loopback ѤΥݡȤ 127.0.0.1 ȤȤ˷ޤäƤ
  Τǡä IP ɥ쥹ꤹɬפϤޤ

  9.2.2.ͥåȥޥ (`netmask').

  ͥåȥΰĤΥȤ¸ߤۥȤοϰʲ¤
  ͥåȥǽϤ褯ʤޤΤᡢͥåȥԤ
  ͥåȥ꾮ʡ֥֥ͥåȡפȸƤФñ̤ʬ䤷ƤϤ
  Ǥ줾Υ֥ͥåȤȤ˥ͥåȥѤΥɥ쥹ͿƤ
  ޤͥåȥޥϡȤäƤͥåȥΥɥ쥹ޥ
  ӥåȥѥȤꤷʤΥޥ󤬤ɤΥ֥ͥåȤ°Ƥ
  뤫ꤷޤϷϩˤȤäƶˤƽפǡΥޥ
  Ȥʤ̿ǤΤΥޥȤ̿Ǥʤ褦ʾ
  硢¿ʬΥͥåȥޥְ꤬äƤΤǤ礦

  ͥåȥޥϥͥåȥδԤͥåȥ߷׻ꤹ
  ǡȤ٤ͥåȥޥ餬ƤϤǤۤȤɤΥͥå
  Ǥ class-C Υ֥ͥåȤȤäƤ뤿ᡢͥåȥޥ
  255.255.255.0  ˤʤޤ礭ʥͥåȥǤ class-B Υͥåȥޥ
  (255.255.0.0)ȤäƤ뤫Τޤ NET-2/NET-3ɤǤϡ
  Х˥ɥ쥹ꤢƤݡưŪ˥ǥեȤΥͥåȥޥ
  褦ˤʤäƤޤǥեȤǤϡͥåȥϥ֥ͥåȤʬ
  ʤˤʤäƤޤ

  NET-2/NET-3 ɤϡͥåȥΥ饹˱ơǥեȤǤϰʲ
  ΥͥåȥޥѤޤ

        ǽΥХȤȤΥǥեȤΥͥåȥޥ
        1-127         255.0.0.0         (Class A)
        128-191       255.255.0.0       (Class B)
        192+          255.255.255.0     (Class C)

  ⤷ΰĤǤޤԤʤä硢̤λƤߤƤ
  Ǥʤ顢ͥåȥδԤȶΥͥåȥãͤ
  ̤ƤߤƤ

  loopback ݡȤ SLIP/PLIP ˤĤƤϥͥåȥޥפǤ

  9.2.3.ͥåȥɥ쥹

  ͥåȥɥ쥹ȤϡȤäƤ IP ɥ쥹ȥͥåȥޥΥӥå
  ¤ȤäΤǡ㤨 IP ɥ쥹 128.253.154.32 ǥͥåȥޥ
  255.255.255.0 ξ硢

        ͥåȥޥ        :      255.255.255.0
        IP ɥ쥹         :      128.253.154.32    &&
                                   ---------------
        ͥåȥɥ쥹:      128.253.154.0     =

  Ȥʤޤ

  9.2.4.֥ɥ㥹ȥɥ쥹

  ֶӤȤϡɬפݤˤϤ餺ߤʤʹ䤭Ǥ롣

  ֥ɥ㥹ȥɥ쥹ϡ̾ӥåȤȿžͥåȥޥɥ쥹
  ȥͥåȥɥ쥹 OR äΤˤʤäƤޤ㤨С
  Class-C Υͥåȥ 255.255.255.0 ΥͥåȥޥȤäƤ
  硢嵭Υͥåȥɥ쥹 0.0.0.255  OR äơ֥
  㥹ȥɥ쥹 128.253.154.255 Ȥʤޤ

  ʤ˹ͤƤ

        ͥåȥޥʤ顧      255.255.255.0      !
        ӥåȤȿžȡ        0.  0.  0.255    =
        ͥåȥɥ쥹ϡ    128.253.154.0      ||
                                      ----------------
        Τ˥֥ɥ㥹Ȥϡ      128.253.154.255    =

  Ūͳͥåȥɥ쥹֥ɥ㥹ȥɥ쥹Ʊ
  Ƥͥåȥ⤢ΤդɬפǤХͥåȥ
  δԤ˿ҤͤƤ

  sniffer ʤɤΥͥåȥΥȥեåƻǤǥХ
  硢lan ήǡѻ뤳Ȥǥͥåȥɥ쥹ȥ֥
  㥹ȥɥ쥹ǧ뤳ȤǤޤͥåȤΥ֥ɥ㥹
  ȥɥ쥹Ǥ ff:ff:ff:ff:ff:ff դ(뤤ϤʳΥѥ
  Ȥϥե륿󥰤)ѻޤˤ롼Υ IP 
  ɥ쥹դƥץȥ ID  ARP ʳΥѥåȤСΥѥ
  ȤΰȤʤäƤ IP ɥ쥹åޤ礦Υǡ
  ϶餯ȤäƤ롼顢RIP ηϩ֥ɥ㥹ȤƤ
  ǡǤξ硢 IP ɥ쥹֥ɥ㥹ȥɥ
  ˤʤäƤϤǤ

  ꤫ޤԳμ¤ʾϥͥåȥԤ˿ҤͤƤ
  ְäǤʤΥޥͥåȥ³Ϥʤ
  ֤ϤǤ

  9.2.5.롼(`ȥ') ɥ쥹

  ֤Фˡ̵Фʤʤ

  롼(ȥ)ɥ쥹ϤʤΥͥåȥȥ󥿡ͥåȤ
  ³ƤޥΥɥ쥹ǤΥޥϳȤΡ֥ȥ
  ȸƤФޤ롼դ IP ɥ쥹ϡΥͥåȥΥɥ
  ΰ־ΤۥȤΥɥ쥹ΰ礭Τˤ롢Ȥ
  ޤ¿ʬԤνŪʤΤǤ礦ξ硢
  ȥɥ쥹ˤϡǸΥХȤ .1 ǽ륢ɥ쥹դƤ
  ϤǤ㤨СʤΥޥΥɥ쥹  128.253.154.32 ξ
  硢롼(ȥ)Υɥ쥹 128.253.154.1 Ǥ礦Τ
   IP ɥ쥹ĤΤϽŪʤΤǡͭʥɥ쥹ʤФɤ
  롼(ȥ)ɥ쥹ȤѲǽǤˡİʾ
  롼ͥåȥ¸ߤ⤢ޤΤǡܤϥͥåȥ
  Ԥ˳ǧΤǤ礦

  loopback ɥ쥹Ȥʤ硢롼Υɥ쥹ꤹɬפ
  ޤPPP ξ⡢³˥롼Υɥ쥹ǤΤǡ
  ɥ쥹פǤSLIP ξ硢SLIP ΥСΥɥ쥹롼
  Υɥ쥹ˤʤޤ

  9.2.6.͡ॵСɥ쥹

  ͥåȥ³줿ޥϥ͡ॵСȸƤФޥ˥
  ˹Ԥޤ͡ॵСϿʹ֤ۥ̾ȥޥ󤬰 IP 
  쥹ߤѴƤޤͥåȥԤ˿Ҥͤаֶ᤯ˤ
  ͡ॵСΥɥ쥹򶵤ƤǤ礦 named  ưС
  ʤΥޥ͡ॵСˤ뤳Ȥǽǡξϥ͡ॵ
  СΥɥ쥹  loopback  ɥ쥹ʤ 127.0.0.1  ˤʤޤ
  ºݤΤȤ  named  ưɬפϤޤ󡨾ܤ named ξ
  

  ⤷ loopback ȤʤϼʬΥޥʳ̿뤳ȤϤʤ
  ǥ͡ॵСΥɥ쥹ɬפޤ

  9.2.7.  SLIP/PLIP/PPP Υ桼ؤ

  SLIP/PLIP/PPP Υ桼ξ硢ǽҤ٤Ƥ褦򵤤ˤɬ
  פϤޤꤢޤSLIP/PLIP/PPP ͳ³ξ硢
  ɬפɤϥͥåȥؤ³֤˰¸Ƥꡢɬפʾ
  ³Υޥ󤫤󶡤ޤSLIP/PLIP/PPP ȤäǥХ
  ˡˤĤƤϸҤޤ

  9.3.  /etc/rc.d/rc.inet1,2/etc/rc.net/etc/init.d/network

  ͥåȥǥХưꤹΤѤʤΤǡư˼ưŪ
  ǤСȻפȤǤ礦rcȸƤФե뤬Τ
  ѰդƤޤ

  unix ν鿴Ըárcեϡư initץब¹Ԥ
  ơsyslog  update , cron ȤäŪʥץư
  ̤ޤ礦 MS-DOS  autoexec.bat Τ褦ʤΤǡ rc  ϶
   runtime commands ͳ褹ΤǤ礦Ȥơ rc ե
  /etc ǥ쥯ȥ֤ޤLinuxˤƼΥեɸ֤
  ꤷƤ Linux Filesystem Standard Ǥ rc ե뤬ɤ֤
  ٤Τ˻ꤷƤ餺BSD  /etc/rc.* Ȥ֤
  ⡢System-V  /etc/rc.d/rc* Ȥ֤Ǥ⹽ʤȽҤ٤Ƥ
  Alan  Fred˻⡢System-V ֤ȤäƤޤΤǡ
  Ǥ⤽򸵤ޤSystem-V Ϥ֤ξ硢ͥåȥ
  Ѥ rc ե /etc/rc.d  rc.inet1  rc.inet2 ˤʤޤޤ
  ư˸ƤӤ rc ե /etc/rc ǡΥե뤬¾ rc
  ե롢㤨Сrc.inet1 ƤӤrc.inet1  rc.inet2 ƤӤ
  褦ʷˤʤޤinit鸫Ĥ¤ꡢ餬ɤ̾
  ɤ֤ƤƤ⹽ޤ

  ĤΥǥȥӥ塼Ǥϡͥåȥꤹ뤿 rc
  ե  rc.net  ȸ̾Τ  /etcβ֤Ƥ뤳Ȥ⤢
  ξ硢 rc.inet1   rc.inet2  ƤĤ  rc.net  ˴ޤޤ
  ƤꡢޤȤƵư뤳Ȥˤʤޤ

  ǥȥӥ塼󤴤Ȥ˰ʲΥե̾ɤߤƤ

        ʸ           Slackware     Debian and other newer.
        ===================   ===========   =======================
        /etc/rc.d/rc.inet1    /etc/rc.net   /etc/init.d/network

        /etc/rc.d/rc.inet2    /etc/rc.net   /etc/init.d/netbase
                                            /etc/init.d/netstd_init
                                            /etc/init.d/netstd_nfs
                                            /etc/init.d/netstd_misc

  ͥåȥѤΥǡ䥢ץꥱ󤬵ưǤ
  顢ѤΥޥɤϤɤǵưƤ⹽ޤ

  ʲǤϡͥåȥ rc ե  rc.inet1  rc.inet2
  Ȥơ /etc/rc.d  βˤΤȤޤ⤷Ȥϰۤʤǥ
  ȥӥ塼ȤäƤꡢե̤ξ֤Ȥä
  ϡŬɤߤƤ

  Υե 0 񤤤ƤȤˤޤ

  9.3.1.  rc.inet1

  rc.inet1 ǤϴŪ tcp/ip 󥿡ե /sbin/ifconfig 
  /sbin/route Ȥäꤷޤ

     ifconfig
        /sbin/ifconfig  IP ɥ쥹ͥåȥޥ֥ɥ㥹ȥ
        ɥ쥹ʤɤꤷơ󥿡եǽ褦
        ޤifconfig ѥ᡼դ˵ưСƤΥͥå
        ǥХθɽޤȤξܺ٤ˤĤƤ
        ifconfig Υޥ˥奢򻲾ȤƤ

     route
        /sbin/route ϥ롼ƥ󥰥ơ֥ȸƤФ롢ͥåȥ
        륳ɤǡžݤ˻Ȥǡžϩ
        ҤɽΥȥꡢѹꡢ뤿˻Ȥ
        ޤ롼ƥ󥰥ơ֥ˤŪϤΥɥ쥹ȤΥɥ쥹
        ãǤ륤󥿡եȤϿޤʤ route 
        ɤ¹ԤСߤΥ롼ƥ󥰥ơ֥Ȥɽ
        Ȥξܺ٤ˤĤƤ route Υޥ˥奢򻲾ȤƤ
        

  9.3.2.  rc.inet2

  rc.inet2 Ǥ inetd  portmapper ʤɡͥåȥѤΥǡץ
  ưޤˤĤƤϡ `rc.inet2' ξϤǾܤ
  ǡǤ rc.inet1 ǰޤ礦 rc.inet2 ˿줿
  ϡrc.inet1  rc.inet2 ĤΥեˤʤä rc.net ʤɤθȾ
  򤷤Ƥ뤫ΤäƤ餦ǤͥåȥѤΥǡץ
  ϡͥåȥ򤷤Ƥ鵯ưȤȤ˺ʤǤ
  

  9.4.  loopback ǥХ(ɬ)

  loopback ǥХȤΤϡϡɥ¸ߤ櫓ǤϤ
  ʪŪʥ󥿡եΤ褦˸륽եȥΤȤǤ
  ǥХȤСͥåȥͳǼʬȤ˴ñ³뤳Ȥ
  ºݤ˥ͥåȥ³ʤƤͥåȥѤΥեȥ
  ȤǽǤͥåȥ˼ºݤ³ʤƤͥåȥѤΥ
  եȤȯǤΤǡ SLIP ³δĶǥͥåȥѤΥեȥ
  ȯƤͤʤɤäΩĤǤ礦ȯ loopback ǥХ
  ȤºݤΥƥȤʳ SLIP ȤäƳ³ƹԤ褦ʤȤ
  ǽˤʤޤ

  loopback ǥХȤ¤ꡢ⤷ץ꤬äƤ⡢ͥåȥ
  ¾Υ桼ﳲͿ뤳ȤϤޤ

  Ȥ loopback ǥХΥɥ쥹 127.0.0.1 ˤʤäƤΤǡ
  κݤˤϤͤȤäƤ

  Linux Ǥ loopback ǥХ `lo' Ȥ̾ˤʤäƤޤ
  rc.inet1 ǤϡޤΥǥХԤޤ礦ϰʲΤ褦
  ˤʤޤ

        #!/bin/sh
        #
        # rc.inet1   --  configures network devices.
        #
        # Attach the loopback device.
        /sbin/ifconfig lo 127.0.0.1
        #
        # Add a route to point to the loopback device.
        /sbin/route add 127.0.0.1
        # End loopback
        #

  loopback 󥿡ե IP ɥ쥹(127.0.0.1)ꤹ뤿
  ifconfig Ȥ127.0.0.1 ԤΥǡ loopback ѥݡ
  عԤ褦 route ץǷϩΤɽ˵Ƥޤ

  ˤ 2 Ĥνפޤ

   `Network Mask' ξϤͥåȥޥȥ֥ɥ㥹ȥɥ
   loopback ǥХǤϥǥեȤͤȤޤºݤˤɤ
  ꤵƤ뤫ˤ ifconfig ̵ǵưʬޤ

        # 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 2000  Metric 1
                  RX packets 0 errors 0 dropped 0 overrun 0
                  TX packets 30 errors 0 dropped 0 overrun 0
        #

  ˡroute ޥɤɤΤ褦ˤ loopback ǥХ 127.0.0.1 
  ηϩȤʤǥХǤΤϤäꤷޤ󡣺ξ
  硢route ޥɤϽʬơ 127.0.0.1  loopback ǥХ
  ȤƤͥåȥ°Ƥ뤳ȤΤäƤޤroute ޥ
   IP ɥ쥹ȥͥåȥޥåƼ¹Ԥޤߤηϩɽ
  routeޥɤ̵Ǽ¹Ԥɽޤ

        # route
        Kernel routing table
        Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
        127.0.0.0       *               255.0.0.0       U     0      0       30 lo
        #

  ա͡ॵС򤭤ꤷƤʤrouteޥɤ -n 
  դƵưޤ礦-n ꤹȡϩ IP ɥ쥹Τߤ
  ɽ졢ۥ̾ɽޤ

  9.5.ͥåȥɤ(ץ)

  ϥͥåȥɤꤹͤˤΤɬפǤ⤷ͥå
  ɤꤹɬפ̵ФƤäƤ빽Ǥ

  ͥåȥɤ loopback ǥХ⾯ʣǤ
  ͥåȥɤꤹ硢ǥեͤưȤ̵
  Сͥåȥޥȥ֥ɥ㥹ȥɥ쥹ꤷƤɬפ
  ޤäȤ⡢ξϥǥեȤͤưϤǤ

  ˻Ȥ IP ɥ쥹ϤʤΥޥ˳ꤢƤ줿ͤȤɬפ
  ޤͥåȥޥ֥ɥ㥹ȥɥ쥹ͥåȥ
  ǻꤵƤͤꤷޤ

  Linux ѤǽΥͥåȥǥХ `eth0' ǡܤΥǥХ
   `eth1'ˤʤޤͥåȥǥХФ
  rc.inet1 ե˲äޤ礦ɥ쥹ºݤΤΤ˽񤭤С
  ʲΥɤΤޤѤǤϤǤ

        #
        # Attach an ethernet device
        #
        #  configure the IP address, netmask and broadcast address.
        /sbin/ifconfig eth0 IPA.IPA.IPA.IPA
        /sbin/ifconfig eth0 netmask NMK.NMK.NMK.NMK
        /sbin/ifconfig eth0 broadcast BCA.BCA.BCA.BCA
        #
        # add a network route to point to it:
        /sbin/route add -net NWA.NWA.NWA.NWA device eth0
        #
        # End ethernet
        #

  ǡ

     IPA.IPA.IPA.IPA
        ʤΥޥ IP ɥ쥹ꤷޤ

     NMK.NMK.NMK.NMK
        ͥåȥޥλǤ

     BCA.BCA.BCA.BCA
        ֥ɥ㥹ȥɥ쥹λǤ

     NWA.NWA.NWA.NWA
        ͥåȥɥ쥹λǤ

  route ޥɤ -net ȤդƵưƤ뤳ȤդƤ
  ΰꤹȡroute ޥɤͿɥ쥹ϥͥåȥ
  򼨤ΤǡΥۥȤФΤǤʤȤ̣ޤͥå
  Υɥ쥹λˤϡ /etc/networks ե˥ͥåȥ
  쥹񤤤ƤȤˡ⤢ޤˡˤĤƤ
  /etc/networks/פξϤǰޤ

  9.6.  SLIP ǥХ(ץ)

  SLIP(Serial Line Internet Protocol) ȤХǥǤĤʤäò
  ʤɤΥꥢͳ tcp/ip ץȥȤȤǽˤʤޤ
  SLIP ȤˤϡSLIP С³ɬפޤ
  Ǥؤ䥤󥿡ͥå³ӥ󶡤ҤϤ SLIP
  ³Υӥ󶡤Ƥޤ

  slip ϥꥢݡȤѤ IP ǡޤΤᡢ
  ꥢǥХ椹ɬפޤSlip ȤǥХ̾ sl0,
  sl1 ʤɤ̾ˤʤäƤޤ餬ɤΤ褦˥ꥢǥХ˴ط
  ƤΤǤ礦ꥢǥХ SLIPǥХѴ뤿
  ˡͥåȥѤΥץϥͥ ioctl(I/O ȥ)ȸ
  Ф뵡ǽѤƤޤΤĤΥץࡢdip 
  slattach Ȥ 2 ĤΥץबѰդƤޤ

  9.6.1.  dip

  dip(Dialup IP)¿εǽĥޥɤǡꥢǥХž®
  ꤷꡢǥ˥ޥɤää򤫤ꡢ⡼ȥ
  С˼ưŪ˥󤷤ꡢСƤ뤤ʥå
  Ȥꡢ椫 IP ɥ쥹ʤɤξӤȤäơꥢ
  ݡȤ SLIP ⡼ɤѹ뤿˥ͥ I/O ȥ
  ꤷޤdip ˤ϶Ϥʥץȵǽ(ޥǽ)ꡢ
  Ȥä³˼ưŪ logon 뤳ȤǽǤ

  dip Ϥänet-tools ˴ޤޤƤޤȯ̤˹Ԥʤ褦
  ˤʤäᡢߤǤΩۤƤޤ dip ˤϤĤΥС
  󤬤ꡢ줾äεǽɲäƤޤֹȤƤ
  Τ dip-uri ȸƤФСǤĤΥС dip
  ꤷơɬפʵǽƤСƤƤߤ뤳Ȥ
  ޤ dip-uri ֥ݥԥ顼ʤΤǡʸ˼ dip-uri 
  Ȥˤޤ

  dip-uri 

  sunsite.unc.edu

        /pub/Linux/system/Network/serial/dip337j-uri.tgz

  ˤޤ

  󥹥ȡϰʲΤ褦˹Ԥޤ

        #
        # cd /usr/src
        # gzip -dc dip337j-uri.tgz | tar xvf -
        # cd dip.3.3.7j

        <edit Makefile>

        # make install
        #

   Makefile Ǥ uucp Ȥ롼פ¸ߤȲꤵƤޤ
  ʤΥƥ˽ä dip  SLIP Ȥ롼פѹ
  Ƥ

  9.6.2.  slattach

  slattach  dip ˤ٤ȤñʥץǡȤΤñǤ
  dip ۤƤϤޤ󡣥ץȵǽ̵slattach 
  ŻϥꥢǥХ SLIP ǥХȤꤹ뤳Ȥ
  slattach ưɬפʥͥåȥϺѤޤƤ
  ꥢ³֤ˤƤޤslattach ϥСȤιŪ
  ³ʤʪŪľ뤷֤ѲȤä³κݤ˺Ǥ
  Ϥȯޤ

  9.6.3.ġɤȤ٤

  ³ SLIP СˡǥʤɤΰŪʲͳ³
  硢dip ȤäƲ³ޤȤΤ褦ˡ³
  뤿̤פʾ slattach ȤޤԤξܺ٤ˤ
  Ƥϡslip ȤäŪ³פξϤ

  SLIP ϥͥåȥ󥿥եˤ褯Ƥޤ(Ҥ
  ֥ͥåȥǥХꤹˤϡפ)Ĥ
  ʰ㤤⤢ޤ

  ޤˡͥåȤΥͥåȥȰۤʤꡢSLIP ³Ǥϥͥå
  ξüΥޥΤߤ³줿֤ˤʤȤȤǤ
  ͥåȤξ硢³ȤѲǽˤʤޤSLIP Ǥ
  ³֤ˤä¿ۤʤΤΡ̤ˡǥͥåȥ³
  Ƥɬפޤ

  dip ȤäƤ硢³νϵưˤϹԤʤΤǡν
  Ǥǽ뤳ȤˤʤޤμϥץȤȤäƼư
  뤳ȤǽǤslattach ξ硢 rc.inet1 ե˽μ
  񤤤ƤΤǤ礦ˡˤĤƤϤޤ

  SLIP Сˤ IP ɥ쥹ưŪ˳ꤢƤ륵СŪ˳ꤢ
  Ƥ륵СĤμबޤۤȤƤ SLIP С
  òͳǥƤ硢桼̾ȥѥɤ׵ᤷ
  桼 login ǧڤޤdip ȤСʬϼưŪб
  ȤǽǤ

  9.6.4.  DIP ȤäŪ SLIP Сؤ³ˡ

  Ū SLIP СȤ硢Ѥ IP ɥ쥹ɬפˤʤޤ
  ΥС³뤿ӤˡSLIP ݡȤ򤽤 IP ɥ쥹ꤷ
  Ū SLIP СϥǥफθƤӽФơ桼̾ȥ
  ɤ䤤碌³ĤޤơʤѤ IP 
  ɥ쥹줿ǡ SLIP ³ͳ褦ʷ
  ϩϿޤŪ SLIP СȤäƤ硢ۥ̾
  IP ɥ쥹(餫ΤäƤϤǤ) /etc/hosts ˽񤤤Ƥ
  rc.inet2, host.conf, resolv.conf, /etc/HOSTNAME, rc.local Ȥ
  եꤹɬפ뤫Τޤrc.inet1 ˤ SLIP ³
  ̤򤹤ɬפ*̵*Ȥ˺ʤ󥿡ե
  Τ dip λŻǤdip ŬڤʾͿС dip ǥ
  ä򤫤³ SLIP С˥󤷤ǡ󥿡
  եŬڤꤷƤޤ

  ޤǤ SLIP СƯǤСDip λȤפޤ
  Фơ dip ˡĴ٤Ƥ

  9.6.5.  DIP ȤäưŪ SLIP Сؤ³ˡ

  ưŪ SLIP С³ȡСѰդƤ IPɥ
  椫顢ۤʤ IP ɥ쥹Ϳ뤳Ȥˤʤޤʤ
  ³κݤ˥СͿ IP ɥ쥹ۤʤ櫓ǡ
  ʤȤäƤ륢ɥ쥹ϡʤ logoff ̤οͤȤϤ
  ǤưŪ SLIP СƤԤϡ餫ᤤĤ
  IP ɥ쥹ѰդƤС˿뤴ȤѰդ
  Ƥ IP ɥ쥹椫̤ѤΤΤꤢƤơ³Ƥ
   login μ³ꡢwelcome åȶ˳ꤢƤ IP 
  쥹ɽơΥåδ֤Ϥ IP ɥ쥹Ȥ褦˻ؼ
  ޤ

  ưŪ SLIP СȤ³ˡ⡢ŪˤŪ SLIP СƱ
  ǤСͿ줿(ۤʤ) IP ɥ쥹Ȥä SLIP 
  Хꤹɬפ롢ȤΤߤۤʤޤ

  ֤ޤdip ϽʬСǤñ loginΥץ
  ưŪ˼¹ԤΤߤʤ餺ưŪ˥СͿ IP ɥ
  ɤߤȤꡢȤä SLIP ǥХǤ褦˵뤳
  ޤǤƤޤ

  SLIP СưλȤߤ狼Сdip ꤹˡˤĤ
  ƤޤȤƤDip λȤפؿʤǤ

  9.6.6.  DIP λȤ

  ˽Ҥ٤褦 dip ¿ǽʥץǡSLIP СؤΥ
  μưǤϤʤSLIP СȤ³򳫻Ϥ
  ä IP ɥ쥹Ȥä ifconfig  route ޥɤѤ
  SLIP ǥХꤹȤޤǤäƤΤޤ

  Ūˡdip Ȥˤ `dip script' ȸƤФ dipǤϢ
  ޥɤ񤤤ꥹȤѰդʤФʤޤ󡣤ΥꥹȤ dip 
  ¹ԤƤ餤ư򵭽Ҥ뤳Ȥˤʤޤdip Υѥå°
   sample.dip Ȥե뤬ꥹȤΥץʤΤǡɤΤ褦˵Ҥ
  뤫ΤꤿͤϡޤΥե򻲾ȤƤdip ˤ¿
  ץ󤬤ޤ HOWTO Ǥξܺ٤˿뤳ȤϤǤ
  Τǡܤ dip Υޥ˥奢ڡ README ե롢dip
  °Υץե

  sample.dip ˤʤäϵŤǤ礦ΥץȤǤŪ
   SLIP СȤ褦ˤʤäƤơ餫 IP ɥ쥹ʬä
  뤳ȤˤʤäƤޤС dip ǤϡưŪ SLIP 
  СѤˡСͿ IP ɥ쥹ưŪɤߤȤꡢ
  IP ɥ쥹 SLIP ǥХꤹ褦ʵǽɲäƤޤ
  ˼ dip script Υץ dip337j-uri.tgz ѥå°
  sample.dip ΤǡǽáˤΤˤդ路Τ
  礦ΥץȤ /etc/dipscript ¸ơ漫ʬ˹
  ƽƤ

        #
        # sample.dip    Dialup IP connection support program.
        #
        #               This file (should show) shows how to use the DIP
        #       This file should work for Annex type dynamic servers, if you
        #       use a static address server then use the sample.dip file that
        #       comes as part of the dip337-uri.tgz package.
        #
        #
        # Version:      @(#)sample.dip  1.40    07/20/93
        #
        # Author:       Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
        #

        main:
        # Next, set up the other side's name and address.
        # My dialin machine is called 'xs4all.hacktic.nl' (== 193.78.33.42)
        get $remote xs4all.hacktic.nl
        # Set netmask on sl0 to 255.255.255.0
        netmask 255.255.255.0
        # Set the desired serial port and speed.
        port cua02
        speed 38400

        # Reset the modem and terminal line.
        # This seems to cause trouble for some people!
        reset

        # Note! "Standard" pre-defined "errlevel" values:
        #  0 - OK
        #  1 - CONNECT
        #  2 - ERROR
        #
        # You can change those grep'ping for "addchat()" in *.c...

        # Prepare for dialing.
        send ATQ0V1E1X4\r
        wait OK 2
        if $errlvl != 0 goto modem_trouble
        dial 555-1234567
        if $errlvl != 1 goto modem_trouble

        # We are connected.  Login to the system.
        login:
        sleep 2
        wait ogin: 20
        if $errlvl != 0 goto login_trouble
        send MYLOGIN\n
        wait ord: 20
        if $errlvl != 0 goto password_error
        send MYPASSWD\n
        loggedin:

        # We are now logged in.
        wait SOMEPROMPT 30
        if $errlvl != 0 goto prompt_error

        # Command the server into SLIP mode
        send SLIP\n
        wait SLIP 30
        if $errlvl != 0 goto prompt_error

        # Get and Set your IP address from the server.
        #   Here we assume that after commanding the SLIP server into SLIP
        #   mode that it prints your IP address
        get $locip remote 30
        if $errlvl != 0 goto prompt_error

        # Set up the SLIP operating parameters.
        get $mtu 296
        # Ensure "route add -net default xs4all.hacktic.nl" will be done
        default

        # Say hello and fire up!
        done:
        print CONNECTED $locip ---> $rmtip
        mode CSLIP
        goto exit

        prompt_error:
        print TIME-OUT waiting for sliplogin to fire up...
        goto error

        login_trouble:
        print Trouble waiting for the Login: prompt...
        goto error

        password:error:
        print Trouble waiting for the Password: prompt...
        goto error

        modem_trouble:
        print Trouble occurred with the modem...
        error:
        print CONNECT FAILED to $remote
        quit

        exit:
        exit

  ˼ǤưŪ SLIP С³뤳ȤꤷƤޤ
  ǡ⤷³褬Ū SLIP Сʤ dip337j-uri.tgz °
  륵ץ륹ץȤ򸵤˽Ƥ

  dip ץȤ get $local  Ȥޥɤ줿硢dip 
  С줿ƥȤĴ٤ơǻϤޤä `.' Ƕڤ
   IP ɥ쥹ȤܤʸõޤνưŪ SLIP 
  СͭΤΤǡεǽѤ IP ɥ쥹ɤߤץ
  ưƤޤ

  ˼ǤϡưŪ SLIP ³ǥեȤηϩˤ褦
  ˤʤäƤޤͥåȤˤ³ƤƤ줬ǥեȤηϩ
  ˤʤäƤʤɡSLIP ³ǥեȤηϩˤʤϡ
  ץȤ default ޥɤƤץȤǤ
  餫Ǥ礦SLIP ΥǥХ sl0 ʤΤǡ dipޥɤλ
   ifconfig  routeޥɤȤäŬꤹ뤳ȤǽǤ

  dip Ǥ mode ޥɤȤäʣΥץȥڤ꤫뤳Ȥǽ
  ֤褯ȤƤΤ SLIP ˰̵ǽȤߤ cSLIP Ǥ
  εǽϥۥȤȥ饤ȤǻȤ褦ꤵ
  ʤФʤޤΤǡʬȤȤƤץȥ򥵡С
  Ѳǽɤϳǧɬפޤ

  ˼ץ륹ץȤϤʤ˺äƤΤǤۤȤɤΥ
  б뤳ȤǤϤǤܤ dip Υޥ˥奢
  ΤǤСˤĤʤʤä硢δֳ֤֤
  ƥ뤷ꡢʣΥС˽硹˥褦ʤȤdip
  scriptǲǽʤϤǤ

  9.6.7. slattach ȤäŪ SLIP ³ˤ

  2 Υޥ򥱡֥ǤĤʤǤȤѲȤȤäΤ
  ˡŪ 2 Υޥ򥷥ꥢ³Ƥˤ dipȤä
  ꥢ³ꤹݤϤޤslattach  dip ٤Ȥ
  ñʵǽ̵ץǤꥢ³ꤹˤϽʬʵ
  ǽäƤޤ

  ³ϹŪʤΤǤ顢 rc.inet1 ե˽񤭤ǡư
  ˼¹ԤΤǤ礦ñ˸СŪʥꥢȤ
  ³ˤϡޤꥢǥХ®٤ꤷ
  ΥǥХ SLIP ⡼ɤѹɬפޤ slattachϤ
  ĤΥޥɤǤäƤޤޤʲΥޥɤ rc.inet1 ե
  äƤ

        #
        # Attach a leased line static SLIP connection
        #
        #  configure /dev/cua0 for 19.2kbps and cslip
        /sbin/slattach -p cslip -s 19200 /dev/cua0 &
        /sbin/ifconfig sl0 IPA.IPA.IPA.IPA pointopoint IPR.IPR.IPR.IPR up
        #
        # End static SLIP.

  ǡ

     IPA.IPA.IPA.IPA
        ʤ IP ɥ쥹

     IPR.IPR.IPR.IPR
        ³Υޥ IP ɥ쥹Ǥ

  slattach ϥꥢǥХ̤Ѥ SLIP ǥХ sl0 ˳
  ƤƤޤʤǽ˵ư slattach ޥɤ sl0 
  ꥢǥХ˳ꤢơ slattach ޥɤ sl1 򥷥ꥢǥ
  ˳ꤢơȤʤޤ

  slattach Ǥ -p ץΰʣΥץȥڤؤ뤳Ȥ
  Ǥޤξ硢̤򤹤뤫ʤ SLIP  cSLIP ڤؤ
  ȤǽǤա̵̤ͭ³ξüȤƱ˹碌ɬ
  פޤ

  9.7.  PLIP ǥХ(ץ)

  plip(Parallel Line IP) SLIP ˻ƤޤꥢݡȤؤ˥
  ݡ(ץ󥿥ݡ)Ȥä 2 Υޥδ֤³ޤ
  ݡȤȤС٤ʣΥǡ뤳ȤǽʤΤ̾Υ
  ꥢǥХ®³®٤ԤǤޤäȤñʥѥ
  ݡȤǤץ󥿥ݡȤȤäƤ⡢Ū 16550AFN UART 
  ȤäꥢݡȤ®³ǽǤ

  åץȥåפˤ PLIP Ȥʤ⤢ޤȤΤ⡢
  ϰ̤Υץ󥿤ǤϻȤʤɡPLIP ǤϻȤäƤ뤤Ĥο
  ̤ʤ褦ʥåפȤäƤ뤫Ǥ

  Linux  plip Υ󥿡ե Crynwyr Packer Driver  PLIP ȸ
  ʤΤǡplip ͳ tcp/ip ΥեȥưƤ DOS ޥ
  ³뤳ȤǽǤ

  PLIP ɥ饤ФȤˤ 2 ĤˡޤĤ PLIP ɥ饤Ф
  ͥΤȤߤǤޤˡǡ⤦Ĥϥ⥸塼Ȥƺ
  ɬפʻ˥ɤˡǤϥͥΤ˥ɥ饤ȤߤǤ
  ˡᤷޤȤΤ⡢ñǤplip ɥ
  ФɬפȤĶˤ硢ˤΥɥ饤ФȤΤǤ

  [  PLIP ϥѥΥץ󥿥ݡȤȤΤǡͥ˥ѥ
  ץ󥿤Υɥ饤(Config Printer)Ȥߤ PLIP ϻȤʤ
  ߤξԤȤ⥸塼벽Ƥޤ顢ץ󥿤Ȥ PLIP
  ȤϡξԤȤ⥸塼벽Ƥɬפޤ ]

  ͥΥѥ plip ꤹΤ˻Ȥե뤬Ĥ
  ޤ /usr/src/linux/drivers/net/CONFIG ǡΥե
   plip Ȥޤߥꥻñ̤ǻꤷޤƤǥե
  ͤΤޤޤפǤΥߥ󥰤ɬפΤä٤
  ԥ塼ȤäƤǡ³®Υԥ塼ǤΥޤ
  ߥ󥰤礭ơԤ֤ĹƤɬפޤ

  [  Τͤ net-tools ° plipconfig Ȥץ
  ѹǽǤ]

  ɥ饤ФϰʲΤ褦 I/O ɥ쥹 IRQ ꤷƤޤ

        device  i/o addr    IRQ
        ------  --------    -----
        plip0   0x3BC           5
        plip1   0x378           7
        plip2   0x278           2 (9)

  ⤷ʤλȤäƤ륳ԥ塼ΥѥݡȤȤ߹碌Τ
  Ȥбʤ硢ifconfig ޥɤ `irq' ѥ᡼Ȥäơ
  Ѥ٤ IRQ ѤƤץ󥿥ݡȤ IRQ  ON/OFF Ǥ
   ROM BIOS 򤪻Ȥξ硢ON ˤƤȤ˺ʤ褦ˡ

  plip 󥿥եꤹˤϡrc.inet1 ե˰ʲΤ褦ʥ
  ɤɲäޤ

        #
        # Attach a PLIP interface
        #
        #  configure first parallel port as a plip device
        /sbin/ifconfig plip0 IPA.IPA.IPA.IPA pointopoint IPR.IPR.IPR.IPR up
        #
        # End plip

  

     IPA.IPA.IPA.IPA
        ʤλȤ IP ɥ쥹

     IPR.IPR.IPR.IPR
        ³ IP ɥ쥹

  ˤʤޤ

  pointopoint ѥ᡼ SLIP ξƱ̣ǡ³Υޥ IP
  ɥ쥹ꤹΤǤ

  ؤɤξ硢plip 󥿥ե SLIP 󥿥եƱ褦˰
  ȤǤޤplip 󥿥եˤ dip  slattach ɬ
  פޤ󤷡ȤȤǤޤ

  9.7.1.  PLIP ѤΥ֥

  plip  MS-DOS  pc ƱΤ³ˤ褯Ѥ륱֥Ʊ
  ֥³Ǥ褦˹θƤޤ

  /usr/src/linux/drivers/net/plip.c ˤȡ³ѥ֥Υԥ
  ϰʲΤ褦ˤʤäƤޤ

        Pin Name    Connect pin - pin
        ---------   -------------------------------
        GROUND      25 - 25
        D0->ERROR   2 - 15
        ERROR->D0   15 - 2
        D1->SLCT    3 - 13
        SLCT->D1    13 - 3
        D2->PAPOUT  4 - 12
        PAPOUT->D2  12 - 4
        D3->ACK     5 - 10
        ACK->D3     10 - 5
        D4->BUSY    6 - 11
        BUSY->D4    11 - 6
        D5          7*
        D6          8*
        D7          9*
        STROBE      1*
        FEED        14*
        INIT        16*
        SLCTIN      17*

  ա`*' ޡΥԥ³ޤExtra grounds 
  18,19,20,21,22,23,24 Ǥ

  ⤷ȤΥ֥뤬°ǥɤƤ륿פʤ顢餯
  üΤߤ DB-25 ζ°ȤĤʤäƤȻפޤ

  ٹ𡧴ְä PLIP ֥ȤХȥ饫ɤƤ
  ޤݤ줬ޤ;פʶϫ򤷤ʤСƤ³֥
  å뤰餤դƳǧƤ

  [  ֥åץ󥯡פ֥󥿡󥯡פȤäѥݡ
  ƱΤ̿뤿Υ֥뤬ĤΤƤ褦ʤΤǡ
  ȤΤޤ]

  PLIP ֥򤢤ޤĹƤϤޤ󡣤Υ֥λͤϤ
   1 ᡼ȥ٤ĹθƤޤĹ PLIP ֥򶯤
  żȯ㤨о̵ʤɤζ᤯ǤϻȤʤǤ
  żȯζ᤯Ѥȡǡ˸
  ꡢȥ餬᡼ݤ줬ޤĹΥӤ
  ˤϰ¤ thin-net ѤΥͥåȥɤ 2 äơƱ
  ³뤳Ȥͤ٤Ǥ

  10.ϩ(롼ƥ)(ɬ)

  ɬפʥͥåȥǥХ꤬СɤΤ褦ʷϩ IP ǡ
  뤫ͤʤФʤޤ󡣥ͥåȥǥХĤ
  ̵ϤñǡʬȰʳؤΥǡƤΥǥХ
  褦ꤹǺѤߤޤ⤷ 2 İʾΥͥåȥ
  եäƤ硢¿ʣˤʤޤ㤨Сͥ
  ȤΥǥХȼΥޥȤĤʤ SLIP ǥХ 2 Ĥä
  硢ΥޥعԤǡ SLIP ǥХء¾Υ
  عԤǡϥͥåȥǥХء줾褦
  ɬפǤ롼ƥ󥰤ϼºݤˤϤñʥᥫ˥ǤǽϾ
  򤹤Τ˼ꤳ뤫Τޤ󡣤ǤסߤʤƤ
  

  route ޥɤ򥪥ץ̵ǵưȡߤΥ롼ƥ󥰥ơ֥
  ɽޤ

  unix Υͥåȥˤϡ礭 4 Υ롼ƥ󥰥ᥫ˥ब
  ȤƤޤʲˤ򼨤ޤ

  10.1.Ū/ưϩ

  Ūʷϩ(static routing)פȤϡ̤̾ꡢ餫
  ꤵ줿ϩ˽ϩˡǡͥåȥ˲ȥ֥뤬
  ̤ηϩѲǽˤʤäƤ⡢餫줿ϩѲ
  ȤϤޤŪʷϩŪȤۥȤؤηϩ̵
  ʤñʥͥåȥʤΥۥȤؤηϩĤʤ
  ʾ硢뤤ϥͥåȥѹƤ⤽ΥۥȤؤηϩѹ
  ʤ褦ʾ˻Ȥޤ

  Linux ǤϡSLIP  plip Ȥä³Τˡ ifconfig 
  pointopoint ѥ᡼ǻꤹȤ̤ηϩˡѰդƤ
  SLIP/plip Ȥ pointopoint ѥ᡼³Υɥ쥹Ϳ
  硢ip ηϩѤΥեȥ³Υɥ쥹Ūʷϩ
  ΩȹͤޤѲȤä SLIP/plip ³˻Ȥ
  route ޥɤϰʲΤ褦ˤʤޤ

        #/sbin/route add IPR.IPR.IPR.IPR

  ǡ

     IPR.IPR.IPR.IPR
        ³ IP ɥ쥹ˤʤޤ

  10.2.ǥեȤηϩ(ǥեȥ롼)

  ǥեȥ롼ȤȤȤߤϡʬΥɥ桼Υơ
  ͥåȥˤĤʤäۤȤɤΥۥȤǤ̤˻ȤΤ
  礦ǥեȥ롼ȤƤŪɥ쥹Ȱפ̤Ūʷϩ
  ǤǤ顢ǡ٤ϩä˻ꤵƤʤ硢
  ǥեȥ롼ȤΤǻꤵ줿ϩФ뤳Ȥˤʤޤ

  ⤷ͥåȥ󥿥եĤ뤤 SLIP 󥿥ե
  Τߤ³Ƥ硢ǥեȥ롼ȤϤΥ󥿥եˤʤ
  ͥåȥ󥿥եȤäƤʤ顢Ʊͥåȥ¾
  Υޥإǡ硢ɤΥۥȤإǡ٤
  ϥͥ뤬ΤäƤޤͥϡͥåȥɥ쥹
  ȥͥåȥޥȤäơɤإǡ٤ȽǤ
  ޤɤ˥ǡ٤狼ʤ硢Ʊͥ
  ȥǤϤʤȽǤΥǡ 롼ޤ
  Τˤϥǥեȥ롼ȤǤʤΥͥåȥΥ롼ꤷƤ
  ɬפޤSLIP ³ξ SLIP С롼Τ褦ʵ
  ǽ̤ޤΤǡǥեȥ롼Ȥ SLIP Сؤ褦ˤƤ
  ޤ

  ǥեȥ롼Ȥꤹ뤿ˤϡʲΥޥɤ rc.inet1ɲ
  ͥåȥǥХ򽪤ƤʲΥޥɤ¹Ԥޤ
        #
        # Add a default route.
        #
        /sbin/route add default gw RGA.RGA.RGA.RGA
        #

  ǡ

     RGA.RGA.RGA.RGA
        ϥ롼/ȥΥɥ쥹Ǥ

  10.3.(Proxy) ARP

  ˡϱȥ֥򵯤ʤΤǡäդɬפ
  ȤˤȤȤͤ⤤ϤʤΤ뤳
  Ȥˤޤ

  proxy arp äȤɬפȤƤΤϡLinux ޥȤä SLIP Υ
  륤󥵡Сۤ褦ȤͤǤ礦PPP ξ PPP ǡ
  ƱŻ򤺤äñ㤫ļưŪˡƤäȰˤäƤ
  

  tcp/ip ǥͥåȥ³ƤۥȤʤΥޥ̿
  硢ΥۥȤϤʤΥޥ IP ɥ쥹ΤäƤ뤱ɡǡ
  ٤ϡɥ(ͥå)ɥ쥹ʬʤϤǤ
  IP ɥ쥹ȥϡɥɥ쥹ߤѴΤARP(Address
  Resolution Protocol) ܤǤͥåȥץȥϥ֥ɥ
  ȥɥ쥹Ȥ̤Υɥ쥹ƤꡢΥɥ쥹Ϥ٤Ƥ
  ͥåȥɤǧǤޤۥ A ۥ B ̿
  ޤۥ A ϥۥ B  IP ɥ쥹ΤäƤΤΡºݤ˥
  ٤(ۥ B )ϡɥɥ쥹Τޤ󡣤
  ξ硢ۥ A ϡۥ B  IP ɥ쥹ޤ̤Υեޥå
  Υǡ֥ɥ㥹ȥɥ쥹ήޤ֥ɥ㥹ȥ
  ɥ쥹ή줿ǡϡΥͥåȥ³줿ƤΥۥ
  ǧǤΥǡ˻ꤵ줿 IP ɥ쥹ĥۥ(B) 
  ʬΥϡɥɥ쥹ޤARP ϤΤ褦ˤ IP ɥ
  ϡɥɥ쥹Ѵޤ

  Ǥ顢ޥ(A) ̤Υޥ(B)ΥСȤƻȤ硢
  СȤʤޥ A ʪŪˤϥͥåȤ³Ƥʤ B 
  IP ɥ쥹Ф ARP ꥯȤˤ褦ˤʤФʤޤ
   IP ɥ쥹ꤢƺѤߤΥʥͥåȥ SLIP ǥ
  륤³Ƥͤޤ礦㤨СƺѤߤΥɥ쥹
  128.253.154.120-124 ȤơޥΥϡɥɥ쥹
  00:00:C0:AD:37:1C Ȥޤ(ͥåȥɤΥϡɥɥ쥹
   ifconfig ޥɤ̵ǵưɽޤ)proxy Ȥ
  ơƺѤߤΥɥ쥹Ф arp ꥯȤ褦ꤹ
  ˤϡrc.inet κǸ˰ʲΤ褦ʥޥɤɲäޤ

        #
        # Proxy ARP for those dialin users who will be using this
        #           machine as a server:
        #
        /sbin/arp -s 128.263.154.120 00:00:C0:AD:37:1C pub
        /sbin/arp -s 128.263.154.121 00:00:C0:AD:37:1C pub
        /sbin/arp -s 128.263.154.122 00:00:C0:AD:37:1C pub
        /sbin/arp -s 128.263.154.123 00:00:C0:AD:37:1C pub
        /sbin/arp -s 128.263.154.124 00:00:C0:AD:37:1C pub
        #
        # End proxy arps.

  pub Ȥ `publish()'̣ΰդƥޥɤ
  Ԥȡꤷ IP ɥ쥹(ºݤˤΥޥͿ줿 IP ɥ
  ȤϰäƤ)ؤ䤤碌Ф(ʬ)ϡɥɥ쥹
  褦ˤʤޤǤ 128.264.154.120  128.264.154.124 Υ
  ɥ쥹䤤碌Фơ 00:00:C0:AD:37:1C Υϡɥɥ쥹
  ֤ޤ

  ̡(Proxy ARP)˲äơ SLIP Сˤ Linux ޥ
   128.264.154.120  124 Υɥ쥹򤽤줾б SLIP ǥХ
  褦ʷϩɽꤷʤФʤޤ

  PPP ȤäƤ硢ư arp ơ֥񤭤褦ʤȤ
  Ǥpppd ϡ³ IP ɥ쥹ȥСޥ IP ɥ쥹Ʊ
  ͥåȥ° proxyarp ȤͿ줿鼫ưŪ
  arp ơ֥ޤС¦ǵưpppd Υޥ
  饤ΰǥͥåȥޥꤹɬפϤ뤫Τޤ

  10.4.  gated ϩѤΥǡ

  gated ¿ξ proxy arp ؤ˻Ȥproxy arp⤺äȤä
  ꤷƤޤgated δŪʻȤ linux ޥ򤢤ʤ
  ͥåȥΥƥꥸȤ ip 롼ˤ뤳ȤǤgated ʣ
  Υ롼ƥ󥰥ץȥ롢㤨 RIP, BGP, EGP, HELLO, OSPF Ȥä
  ƥ󥰥ץȥ򤷤ޤʥͥåȥǤäȤ⹭Ȥ
  ƤΤ RIP(Routing Information Protocol)ǤripȤȤ
   gated ư硢 Linux ޥŪ˥롼ƥ󥰤˴
  ̤ΥեޥåȤΥǡǥͥåȥ˥֥ɥ
  ȤޤξȤ뤳Ȥǡͥåȥˤ¾ΥޥϤ
  ʤΥޥͳéĤ륢ɥ쥹Τ뤳ȤǤޤ

  ȤΥͥåȥƤΥۥȤ gated  routed ưƤ
  硢gated  proxy arp ؤ˻ȤȤǤޤͥåȡư
  Ūʥ롼ƥ󥰤ΥޥŪʥ롼ƥ󥰤Υޥ󤬺ߤƤ
  硢Ūʥ롼ƥ󥰤ΥޥΥ롼ƥ󥰥ơ֥뤬 gated ξ
  ˲ʤ褦äդɬפޤȤΤ⡢Υޥ
  󤬻ȤŪʥ롼ƥ󥰾ϳϹʤ
  gatedȤʤŪʥ롼ƥ󥰾äˡ
  /etc/gated.conf  static Ȥʬä뤳ȤǤˤĤƤ
  Ҥޤ

  gated ̾ rc.inet2 ǵưޤ rc.inet2 ˤĤƤϼǰ
  Ȥˤޤrouted ȸƤФǡˤĤƸʹȤ뤫
  ޤ gated  routed ξ̸ߴǡrouted 𤫤Ĺⵡǽ
  Τǡrouted ؤ gated Ȥ٤Ǥ礦

  10.4.1.  gated ˡ

  Gated ϰʲΥȤǤޤ

  sunsite.unc.edu

        /pub/Linux/system/Network/daemons/gated11_bin.tgz

  10.4.2.  gated Υ󥹥ȡ

  gated ΥХʥۤˤϡ3 ĤΥץĤե㤬°
  Ƥޤ

  ץϡ

     gated
        ºݤ gated ǡ

     gdc
        gated 뤿Υ桼󥿥եץࡣgdc 
        gated ǡ򥳥ȥ뤹ΤѤ졢gated εư/
        ߡ־μʤɤεǽޤ

     ripquery
        ȥδΤηϩ䤤碌뤿οѥץ
        ǡ`rip query' 뤤 `rip poll' ηǻȤޤ

  ե

     gated.conf
        gated ǡ椹ºݤե롣ư gated ο
        񤤤ꤷޤ롼ƥ󥰥ץȥεư/ߤ
        ʤɤꡢ롼ƥ󥰥ץȥμºݤư椷ޤ

     gated.version
        gated ǡΥС򵭺ܤƤƥȥե롣

  gated ΥХʥۤˤϡɬפʥեưŪ˥󥹥
  뤹뵡ǽϤʤ褦ǤʤȤˡɬפʥեϤۤ¿
  ʤΤǡ֤뤳ȤϤۤ񤷤ȤǤϤޤ

  Хʥꤷ gated 򥤥󥹥ȡ뤹ˤϰʲμˤޤ

        # cd /tmp
        # gzip -dc .../gated.linux.bin.tgz | tar xvf -
        # install -m 500 bin/gated /usr/sbin
        # install -m 444 bin/gated.conf bin/gated.version /etc
        # install -m 555 bin/ripquery bin/gdc /sbin
        # rm -rf /tmp/bin

  ϥͥåȥѤΥǡ /usr/sbin ֤褦ˤƤޤ⤷
  ۤʤä˥󥹥ȡ뤷ʤ顢˹碌ƥ󥹥ȡ
  Ƥʲ˼ gated Ǥϡ gated ˸Ť routed ǡ
  Υߥ졼Ȥ򤵤褦ˤ⤷ƤޤǡƤξ
  פʤϤǤ

        #
        #  This configuration emulates routed.  It runs RIP and only sends
        #  updates if there are more than one interfaces up and IP forwarding is
        #  enabled in the kernel.
        #
        #       NOTE that RIP *will not* run if UDP checksums are disabled in
        #       the kernel.
        #
        rip yes ;
        traceoptions all;
        #

  ⤷Ūʷϩä硢/etc/gated.conf  static ʬ˲
  뤳ȤǤޤ

        #
        static {
        37.0.0.0 mask 255.0.0.0 gateway 44.136.8.97 ;
        host 44.136.8.100 gateway 44.136.8.97 ;
        } ;
        #

  Ǥϡ37.0.0.0 Υ饹 A Υͥåȥؤηϩ 44.136.8.97
  Υȥͳǡ44.138.8.100 ΥۥȤؤ 44.136.8.97 Υ
  ͳ³褦˻ꤷƤޤΤ褦ꤷƤ
  route ޥɤǤηϩꤷʤƤ⡢gated ưŪˤηϩ
  äƤޤ

  ޥ˥奢򥤥󥹥ȥ롼뤹ˤϰʲΤ褦ˤޤ

        # cd /tmp
        # gzip -dc .../gated.linux.man.tgz | tar xvf -
        # install -m 444 man/*.8 /usr/man/man8
        # install -m 444 man/*.5 /usr/man/man5
        # rm -rf /tmp/man

  gated Υޥ˥奢ˤϡȻˡ˴ؤܺ٤񤤤Ƥ
  gated ˤĤƤϡgated-config Ȥޥ˥奢ڡ򻲾
  Ƥ

  11.ͥåȥѥǡ

  ͥåȥºݤ˵ǽˤϡޤĤΥե뤬ɬפǤ
  Ĥ줿եϡͥåȥѤΥեȥ٥ꤹ뤿
  ΤΤǡǤפʤΤˤĤƤϸǿ뤳Ȥˤޤ
  ʲ˿եʳˤͥåȥ˴ؤե¸
  ߤƤޤϥͥåȥλȤߤ򤹤뤦ˤ狼äƤ
  ȤȻפޤ

  11.1.  /etc/rc.d/rc.inet2 (rc.net θȾ)

  ʸ򡢤ޤǽɤǤͤʤ餽줾ΥͥåȥǥХ
  ɥ쥹ꤷͥåȥɬפʥ롼ƥ󥰤⤭
  ǤƤ뤳ȤȻפޤɬפʤΤϡ⤦٥
  ͥåȥѥեȥꤹ뤳ȤǤ

  ˤĤƤξܺ٤ Olaf  "Network Administrators Guide"˾ܤ
  ƤΤǡܤ򤼤ҰɤƤߤƤ"NAG" ɤС
  ˼եΤΤɤʬѤ٤ɤʬޤʤ٤
  ()狼Ǥ礦ƥ̤ˤĤƤ⿨
  Ƥޤ礦ͥåȥѤΥӥ¿󶡤褦ȤФ
  ۤɡƥۡ¿ʤΤǡǾɬפʵǽư
  ˤޤ礦

  ͥåȥǽ뤿ˡХå饦ɤưƤˤƽפ
  ǡ(daemons)Ĥޤơξܺ٤ˤĤƤϥޥ˥奢
  򻲾ȤƤ餦Ǥ礦ɽŪʥǡʲ˼
  

  11.1.1.  inetd

  inetd Ϥ줾ΥץΥХå饦ɤ˵ơ󥿡ͥåȷͳ
  ΥӥǡǤinted ɬפʻɬפʥӥѤ
  ץưΤǡΥӥѤΥǡ˵ưƤ
  ɬפϤޤtelnet  ftp ȤäΥӥȤȤ
  ꥯȤϤ硢inetd  /etc/services åơ
  ꥯȤ뤿ΥСץ򸫤ĤƵưʸν
  ϤΥС˰Ѥͤޤ礦ɥ󥿡ͥåȷͳΥӥμ
  򤹤륵СȹͤФǤ礦inetd ˤ echo  discard
  ƥѤΥӥꥯȤȯǽȤäĤδñʥӥ
  ȤߤޤƤ⤤ޤinetd ưȤƤͥåȥѤΥ
  ӥƤΤǤϤʤɽŪʤΤ
  udp Ȥäӥ WWW ΥСmud ΥСΤ褦ˡʬ
  ³¿Ų褦ʥӥ inetdȤΩ˵ưΤ̤
  ̾Τ褦ʥӥ󶡤ץǤϡ°Υɥ
  Ȥ inetd ͳǻȤ٤ݤ񤤤ƤϤǤ

  11.1.2.  syslogd

  syslogd ϥƥΥ(ѵϿ)뤿Υǡ
  syslogd ϡʬƤ줿åȤꡢ
  /etc/syslogd.conf ե˵ܤƤ롼˽äơΥå
  Ŭڤʾޤ㤨СΥåϥ󥽡ȥ
  եξäƤ餤¾Υåϥե
  ߤǤ褦ʾ硢syslogd ȤäƤιԤʬ뤳Ȥǽ
  

  11.2.  rc.inet2 ե

  ʲ˼ΤϡFred  rc.inet2 եǤӥ
  ֹ礭Τ鵯ư褦ˤʤäƤޤΤǡºݤư
  ΰʳϺƤˤϡפʬñ˺Ƥ
  if  fi ǰϤޤ줿ʬ򥳥ȥȤ褦ˤƤ
  Ƥϡޤɬפʥե̵ͭåơ餬¸
  Ƥвư򼨤ΥåϤºݤΥޥ
  ŬڤʰդƥХå饦ɤư褦˵ưƤޤ줾
  ΥǡˤĤƤξܺ٤ "Network Administrators Guide" Ϣ
  ޥ˥奢ڡ򻲾Ȥ

        #! /bin/sh
        #
        # rc.inet2      This shell script boots up the entire INET system.
        #               Note, that when this script is used to also fire
        #               up any important remote NFS disks (like the /usr
        #               distribution), care must be taken to actually
        #               have all the needed binaries online _now_ ...
        #
        # Version:      @(#)/etc/rc.d/rc.inet2  2.18    05/27/93
        #
        # Author:       Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
        #

        # Constants.
        NET="/usr/sbin"
        IN_SERV="lpd"
        LPSPOOL="/var/spool/lpd"

        # At this point, we are ready to talk to The World...
        echo -e "\nMounting remote file systems ..."
        /bin/mount -t nfs -v            # This may be our /usr runtime!!!

        echo -e "\nStarting Network daemons ..."
        # Start the SYSLOG daemon.  This has to be the first server.
        # This is a MUST HAVE, so leave it in.
        echo -n "INET: "
        if [ -f ${NET}/syslogd ]
        then
        echo -n "syslogd "
        ${NET}/syslogd
        fi

        # Start the SUN RPC Portmapper.
        if [ -f ${NET}/rpc.portmap ]
        then
        echo -n "portmap "
        ${NET}/rpc.portmap
        fi

        # Start the INET SuperServer
        # This is a MUST HAVE, so leave it in.
        if [ -f ${NET}/inetd ]
        then
        echo -n "inetd "
        ${NET}/inetd
        else
        echo "no INETD found.  INET cancelled!"
        exit 1
        fi

        # Start the NAMED/BIND name server.
        # NOTE: you probably don't need to run named.
        #if [ ! -f ${NET}/named ]
        #then
        #        echo -n "named "
        #        ${NET}/named
        #fi

        # Start the ROUTEd server.
        # NOTE: routed is now obsolete. You should now use gated.
        #if [ -f ${NET}/routed ]
        #then
        #        echo -n "routed "
        #        ${NET}/routed -q #-g -s
        #fi

        # Start the GATEd server.
        if [ -f ${NET}/gated ]
        then
        echo -n "gated "
        ${NET}/gated
        fi

        # Start the RWHO server.
        if [ -f ${NET}/rwhod ]
        then
        echo -n "rwhod "
        ${NET}/rwhod -t -s
        fi

        # Start the U-MAIL SMTP server.
        if [ -f XXX/usr/lib/umail/umail ]
        then
        echo -n "umail "
        /usr/lib/umail/umail -d7 -bd </dev/null >/dev/null 2>&1 &
        fi

        # Start the various INET servers.
        for server in ${IN_SERV}
        do
        if [ -f ${NET}/${server} ]
        then
                        echo -n "${server} "
                        ${NET}/${server}
        fi
        done

        # Start the various SUN RPC servers.
        if [ -f ${NET}/rpc.portmap ]
        then
        if [ -f ${NET}/rpc.ugidd ]
        then
                        echo -n "ugidd "
                        ${NET}/rpc.ugidd -d
        fi
        if [ -f ${NET}/rpc.mountd ]
        then
                        echo -n "mountd "
                        ${NET}/rpc.mountd
        fi
        if [ -f ${NET}/rpc.nfsd ]
        then
                        echo -n "nfsd "
                        ${NET}/rpc.nfsd
        fi

        # Fire up the PC-NFS daemon(s).
        if [ -f ${NET}/rpc.pcnfsd ]
        then
                        echo -n "pcnfsd "
                        ${NET}/rpc.pcnfsd ${LPSPOOL}
        fi
        if [ -f ${NET}/rpc.bwnfsd ]
        then
                        echo -n "bwnfsd "
                        ${NET}/rpc.bwnfsd ${LPSPOOL}
        fi

        fi
        echo network daemons started.
        # Done!

  11.3.¾ͥåȥɬפʥե

  ͥåȥͳ³ƤͤˤʤΥޥۥȤȤ󶡤
  ˤϡʳˤ⤤Ĥե뤬ɬפǤSlackware 
  RedHat Ȥäǥȥӥ塼Ȥäƥ󥹥ȡ뤷ʤ顢ɬ
  פʥեϺƤϤʤΤǡפɤåơ
  ⤷ʤʲ˼ץѤƤ

  11.3.1.  /etc/inetd.conf

  /etc/rc.d/rc.inet2  inetd  syslogd¾ rpc С
  ưƤޤinetd ˤϡưǡꤹ뤿Υե뤬
  ɬפǡ /etc/inetd.conf ȤեѤƤޤ

  ʲ˼Τñ /etc/inetd.conf Ǥ

        #
        # The internal services.
        #
        # Authors:      Original taken from BSD UNIX 4.3/TAHOE.
        #               Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
        #
        echo    stream tcp nowait root  internal
        echo    dgram  udp wait   root  internal
        discard stream tcp nowait root  internal
        discard dgram  udp wait   root  internal
        daytime stream tcp nowait root  internal
        daytime dgram  udp wait   root  internal
        chargen stream tcp nowait root  internal
        chargen dgram  udp wait   root  internal
        #
        # Standard services.
        #
        ftp     stream tcp nowait root  /usr/sbin/tcpd in.ftpd ftpd
        telnet  stream tcp nowait root  /usr/sbin/tcpd in.telnetd
        #
        # Shell, login, exec and talk are BSD protocols.
        #
        shell   stream tcp nowait root  /usr/sbin/tcpd in.rshd
        login   stream tcp nowait root  /usr/sbin/tcpd in.rlogind
        exec    stream tcp nowait root  /usr/sbin/tcpd in.rexecd
        talk    dgram  udp wait   root  /usr/sbin/tcpd in.talkd
        ntalk   dgram  udp wait   root  /usr/sbin/tcpd in.talkd
        #
        # Status and Information services.
        #
        finger  stream tcp nowait root  /usr/sbin/tcpd in.fingerd
        systat  stream tcp nowait guest /usr/sbin/tcpd /usr/bin/ps -auwwx
        netstat stream tcp nowait guest /usr/sbin/tcpd /bin/netstat
        #
        # End of inetd.conf.

  ġΥեɤξܺ٤ˤĤƤ inetd Υޥ˥奢ڡ򻲾ȤƤ
  ǤϴñƤޤƹԤκǽˤϥåֹ
  б륵ӥ̾񤫤ƤꡢΥӥѤΥåȤ³׵
  Ϥ硢ɤΤ褦ʥޥɤɤǵư뤫򵭽Ҥ
  ޤ˵Ҥ줿ޥɤȰѤ inetd Υץ
  ưޤǽ˽񤫤Ƥ륵ӥ̾ȼºݤΥåֹȤ
  б /etc/services ե˵ܤƤޤ

  11.3.2.  /etc/services 

  /etc/services եϥ󥿡ͥåѤγƼ掠ӥ̾ΤȻѤ
  åֹ桢ץȥ򵭽ҤɽˤʤäƤޤɽ inetd 
  telnettcpdump ȤäץबѤƤޤɽΤǡ
  ġΥӥֹФʤƤ⡢ӥ̾ΤǻȤȤǽˤʤ
  Ƥޤ

  ʲ˼Τϴñ /etc/services եǤ

        #
        # /etc/services - database of service name, socket number
        #                 and protocol.
        #
        # Original Author:
        #     Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
        #
        tcpmux     1/tcp
        echo       7/tcp
        echo       7/udp
        discard    9/tcp   sink null
        discard    9/udp   sink null
        systat     11/tcp  users
        daytime    13/tcp
        daytime    13/udp
        netstat    15/tcp
        chargen    19/tcp  ttytst source
        chargen    19/udp  ttytst source
        ftp-data   20/tcp
        ftp        21/tcp
        telnet     23/tcp
        smtp       25/tcp  mail
        time       37/tcp  timserver
        time       37/udp  timserver
        name       42/udp  nameserver
        whois      43/tcp  nicname    # usually to sri-nic
        domain     53/tcp
        domain     53/udp
        finger     79/tcp
        link       87/tcp  ttylink
        hostnames  101/tcp hostname   # usually to sri-nic
        sunrpc     111/tcp
        sunrpc     111/tcp portmapper # RPC 4.0 portmapper TCP
        sunrpc     111/udp
        sunrpc     111/udp portmapper # RPC 4.0 portmapper UDP
        auth       113/tcp authentication
        nntp       119/tcp usenet     # Network News Transfer
        ntp        123/tcp            # Network Time Protocol
        ntp        123/udp            # Network Time Protocol
        snmp       161/udp
        snmp-trap  162/udp
        exec       512/tcp            # BSD rexecd(8)
        biff       512/udp comsat
        login      513/tcp            # BSD rlogind(8)
        who        513/udp whod       # BSD rwhod(8)
        shell      514/tcp cmd        # BSD rshd(8)
        syslog     514/udp            # BSD syslogd(8)
        printer    515/tcp spooler    # BSD lpd(8)
        talk       517/udp            # BSD talkd(8)
        ntalk      518/udp            # SunOS talkd(8)
        route      520/udp routed     # 521/udp too
        timed      525/udp timeserver
        mount      635/udp            # NFS Mount Service
        pcnfs      640/udp            # PC-NFS DOS Authentication
        bwnfs      650/udp            # BW-NFS DOS Authentication
        listen     1025/tcp listener  # RFS remote_file_sharing
        ingreslock 1524/tcp           # ingres lock server
        nfs        2049/udp           # NFS File Service
        irc        6667/tcp           # Internet Relay Chat
        # End of services.

  㤨 telnet ιԤϡtelnet ӥ 23 ֤ΥåȤ tcp ץȥ
  ȤȤ򼨤ƤޤdomainιԤ DNS(Domain Name Service) 52
  ֤ΥåȤ tcp  udp ΥץȥǻȤȤ򼨤Ƥޤ
  /etc/servicesˤ /etc/inetd.conf γƹԤб (ȥ꡼)ɬ
  פǤ

  11.3.3.  /etc/protocols 

  /etc/protocols եϥץȥ̾бץȥֹб
  ɽǤȤץȥϤۤ¿ʤΤǡΥե⤴
  䤫ʤΤǤ

        #
        # /etc/protocols - database of protocols.
        #
        # Original Author:
        #   Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
        #
        ip   0   IP   # internet protocol
        icmp 1   ICMP # internet control message protocol
        igmp 2   IGMP # internet group multicast protocol
        ggp  3   GGP  # gateway-gateway protocol
        tcp  6   TCP  # transmission control protocol
        pup  12  PUP  # PARC universal packet protocol
        udp  17  UDP  # user datagram protocol
        idp  22  IDP
        raw  255 RAW
        #
        # End of protocols.

  11.4.ۥ̾Ѵ

  ۥ̾Ѵ(Name Resolution)Ȥϡʹ֤ʬ䤹褦դ
  ɥåȶڤΥۥ̾(㤨 tsx-11.mit.edu)ͥåȥѤΥ
  եȥǤ IP ɥ쥹Ѵ뤳ȤǤ̾ηǥ
  ȡ뤹ȡñˡʣˡĤǥۥ̾ѴԤʤ
  

  11.4.1.  /etc/hosts

  /etc/hosts ե ip ɥ쥹ȥۥ̾бɽˤʤäƤꡢ
  ɽ˽񤤤ƤȤǡͥåȥ̤Υޥ IP ɥ쥹Ǥۥ
  ̾Ǥ⻲Ȥ뤳ȤǤ褦ˤʤޤ͡ॵС (named
  ξϤ򻲾)ȤСƱͤ ۥ̾  IP ɥ쥹ѴưŪ˹
  ʤäƤޤ(named ȤСʤ Linux ޥ͡ॵС
  뤳ȤǽǤ)/etc/hosts ե˺ɬפʤΤ localhost
  Ȥ IP ɥ쥹 127.0.0.1 ȤԤǤloopback ʳ³Ȥ
  硢ʤΥޥʥۥ̾(Ȥ loomer.vpizza.com)Ȥ
  IP ɥ쥹ιԤɬפǤȥͥåȥɥ쥹ä
  Τ⤤Ǥ礦

  㤨Сloomer.vpzza.com  128.253.154.32 Ȥ IPɥ쥹äƤ
  硢/etc/hosts եˤϰʲιԤɬפǤ

        # /etc/hosts
        # List of hostnames and their ip addresses
        127.0.0.1               localhost
        128.253.154.32          loomer.vpizza.com loomer
        # end of hosts

  ֤ޤºݤ /etc/hosts եϤʤδĶ˹碌ѹ
  Τ˺ʤ褦ˡ loopback Ȥʤʤ顢 /etc/hosts ɬפ
  Τ 127.0.0.1 ιԤǤιԤΥۥ̾ localhost ȸ̾
  ȤʤΥۥ̾񤤤Ƥޤ礦

  2 ܤդƤ餤ΤǤ128.253.154.32 ˤ 2 Ĥ̾
  ƤޤĤ loomer.vpizza.com ǡ⤦Ĥ loomerǤǽ
  ̾ƥ̾(Fully Qualified Domain Name:FQDN)ǡ2 Ĥ᤬
  ̾ΤΥꥢ(̾)ˤʤäƤޤꥢꤷƤ
  Сloomer.vpizza.com ȤĹ̾ϤʤƤ rlogin loomer 
  ³ǽˤʤޤꥢ̾(FQDN)񤯤Ȥ
  ˺ʤ

  11.4.2.  named - ɬפȤ뤫

  `I dub thee ..'

  named Ȥϡ¿ unix ߴ OS ư͡ॵСǡ
  named ϤΥޥǤʤͥåȥ¾ΥۥȤΥۥ
  ̾ IP ɥ쥹ѴꥯȤĤޤʤͥåȥ
  ¾Υޥ `goober.norelco.com'  IP ɥ쥹õƤơ
  ʤΥޥ named Υǡ١ˤΥޥ IP ɥ쥹
  СõƤޥ󤫤ΥꥯȤ `goobers'  IP ɥ쥹
  򶵤ޤ

  Τ Linux  tcp/ip Ǥϡޥ̾դ(줬ʬȤ
  ̾ǤäƤ)named ưƥۥ̾ IP ɥ쥹Ѵ򤵤ɬ
  פޤξ硢named ϤʤʣǡꤷƱ
  Ѥ뤳Ȥ񤷤Ȥ򵯤ƤޤΤ /etc/hosts 
  Ҥۥ̾ named Ȥǡ١եѴ뤿
  hostcvt.build Ȥץब줿ꤷޤȱѤ
  Ƥ⡢named CPU ϲ񤷡ͥåȥΥȥեå
  ʤΤǡޤꤪǤޤ

  Ǥ named ΩͳϰʲΤ褦ʤΤǤ礦

  o  椫ΥޥǥͥåȥȤߡΤΰ͡ॵС
     ˤƳΥ͡ॵСϻȤʤ

  o  ͥåȥδԤ餫ͳǤʤ Linux ޥ͡ॵ
     Сˤ褦̿

  o  󥿡ͥåȤȤ³٤ SLIP ͳǡۥ̾λȤ
     뤿Ӥ٤ SLIP ͳƥ͡ॵС򸫤ˤ椯⡢
     åΤߤξʥ͡ॵС Linux ޥѰդ
     硣⤷³ΥۥȤۤ¿ʤ IP ɥ쥹
     äƤϡΥۥ̾ /etc/hosts ե˽񤤤Ƥ
     ޤ ͡ॵС򸫤ˤ椯ɬפ̵ʤޤޤξ
     硢̾䤤碌Ϥۤɻ֤ΤǤϤʤ٤ SLIP
     ³ξǤưϤǤ

  o  ̣ǥ͡ॵСư硣

  ֤ޤ̾λѤǤ named ưɬפϤޤ󡧤
  rc.inet2  named ʬϥȥȤơhostcvt.build 
  ưɬפ⤢ޤ󡣤⤷ޥ̾Ĥ硢㤨
  loomer.vpizza.com  loomer ȤƻȤ硢/etc/hosts ˤΤ
  ˽񤤤Ƥ­ޤ̤ͳ̵¤ named ư٤
  ɬϤޤ󡣤⤷͡ॵС˥Ǥ(͡ॵФ
  ɥ쥹ϥͥåȥԤƤϤǤ)ȻȤ
  硢named ưǺɬפϤޤ

  loopback ǥХΤߤȤäƤʤ顢named ươ͡ॵ
  СΥɥ쥹 127.0.0.1 ˤ뤳ȤǽǤǤ⡢̿Ǥ
  ϼʬȤʤΤǰ̣Ϥޤ󤷡͡ॵСƤӽФɬ
  פ̵Ǥ礦

  11.4.3.  /etc/networks

  /etc/networks ϼʬ¾ΥޥλȤäƤͥåȥ̾ȥɥ
  ޤȤ᤿եǤΥե route ޥɤѤͥ
  ȥ IP ɥ쥹Ǥʤ̾Τǻꤹ뤳Ȥǽˤޤ

  route ޥɤȤäƷϩ˲äͥåȥ
  /etc/networks ˽񤤤Ƥroute ޥɤ -net ΰդƻ
  ɬפޤ

  /etc/networks η /etc/hosts եȤ褯Ƥơ㤨Ф
  ˤʤäƤޤ

        #
        # /etc/networks: list all networks that you wish to add route commands
        #                for in here
        #
        default         0.0.0.0         # default route    - recommended
        loopnet         127.0.0.0       # loopback network - recommended
        mynet           128.253.154.0   # Example network CHANGE to YOURS
        #
        # end of networks

  11.4.4.  /etc/host.conf

  ƥˤϥ꥾Х饤֥ȸƤФ饤֥굡ǽޤ
  饤֥꤬ȤΤ /etc/host.conf ȸƤФեǡꤵ
  ۥ̾ IP ɥ쥹Ѵ뤿ˡɤΤ褦ʽǸԤ
  ꤷƤޤ/etc/host.conf ˤϾʤȤʲ 2 ԤɬפǤ

        order hosts,bind
        multi on

   2 Ԥλǡ꥾Х饤֥ˤޤ /etc/hosts ե򸫤
  椭(ꤵƤ)͡ॵС䤤碌롢Ȥ
  ʤޤmulti ιԤ /etc/hosts ե䤤碌̾ IP 
  쥹ʣäƤ⤤Ȥ̣ޤ

  Υե Linux Ѥ resolv+ bind 饤֥äƤΤ
  ܤ resolv+(8) Υޥ˥奢Υޥ˥
  ϰʲΥե˴ޤޤƤޤ

  sunsite.doc.ic.ac.uk

        /computing/comms/tcpip/nameserver/resolv+/resolv+2.1.1.tar.Z

  11.4.5.  /etc/resolv.conf

  /etc/resolv.conf ϥƥ̾μºݤθˡ(resolver)ꤹ
  ǡ2 Υȥ꤫鹽ƤޤĤ(⤷)͡ॵ
  СΥɥ쥹(ʣ)ǡ⤦ĤϤʤΥɥᥤ̾ΤǤ (ɥᥤ
  ̾դƤ)⤷ǥ͡ॵСưƤ (
   Linux ޥ named ưƤ)͡ॵСΥɥ
   127.0.0.1ʤ loopback ɥ쥹ˤʤޤ

  ƥΥɥᥤ̾ϥۥ̾̾(⤷󥿡ͥåȾ
  ϿƤޥʤ)ۥ̾ʬäΤǤʤ
  ʤΥޥ̾Τ loomer.vpizza.com ʤСɥᥤ̾
  loomer 򳰤 vpizza.com ˤʤޤ

  㤨СʤΥޥ goober.norelco.com ǡ128.253.154.5Υɥ
  ˤ͡ॵС򻲾Ȥ硢/etc/resolv.confեϰʲ
  褦ˤʤޤ

        domain norelco.com
        nameserver 128.253.154.5

  resolv.conf եˤʣΥ͡ॵСǽǡƥ͡ॵ
  СλꤴȤ nameserver ƬɬפǤ

  ⤷ loopback ȤäƤʤʤ顢͡ॵСλפǤ

  11.4.6.ۥ̾ - /etc/HOSTNAME

  줵ޤǤǤ⡢⤦ľʻŻĤäƤޤʤλȤ
  Ƥޥ̾դʤФޤsendmail Τ褦ʥץ
  ϡ᡼ȤƤ뤢ʤǧꤵ줿ۥ̾Ѥ
  ƼʬȤƱꤷ³Υޥ˥᡼ޤ

  μΤˤ 2 ĤΥץबȤޤϤ
  ѤƤޤ 2 ĤΥץȤ hostname  domainnname
  Ǥ

  ⤷ 1.1.38  net-tools ȤäƤ硢 /etc/rc ե˰ʲ
  Τ褦ʥޥɤ񤤤Ƥޤ

        /bin/hostname -S

  Ƥ hostname ޥɤ /etc/HOSTNAME ۥȤ̾
  (Fully Qualified Domain Name)ʤɥᥤ̾ޤۥ̾
  ɤߤȤޤhostname ޥɤ FQDN  DNSϿ줿ۥ̾ȥ
  ᥤ̾ʬʬ򤷤ơꤷޤ

  㤨С嵭Υޥˤ /etc/HOSTNAME ˰ʲΤ褦˽񤤤ƤϤ
  

        goober.norelco.com

  net-tools-1.1.38 ʹߤ hostname ޥɤȤäƤ
  硢/etc/rc.d/rc.inet1 եκǸ˼Τ褦˽񤤤Ƥޤ

        /bin/hostname goober.norelco.com

  ⤷Υ꡼饢åץ졼ɤƤ硢ʲΤ褦˽񤤤Ƥ
  СΥСƱͤ򤷤Ƥޤ

        /bin/hostname -F /etc/HOSTNAME

  /bin/domainname ޥɤ NIS ѤǤNIS Υɥᥤ̾ DNS Υɥᥤ
  ̾Ȥϰۤʤޤ /bin/domainname ޥɤ NIS ȤäƤʤ
  ꤹɬפϤޤNIS ˤĤƤϸ˴ñޤ

  11.5.¾Υե

  ʳˤ /etc ǥ쥯ȥβˤɬפ˱ƽ٤ե
  Ĥ⤢ޤġ򤹤ˡͥåȥ³
  뤿ɬ׺¤Υե򼨤ޤ礦ܤ Olaf 
  "Network Administration Guide" "NAG"Ϥ HOWTO 
  äƤʤʬⰷäƤޤ HOWTO Ǥ⡢ΥСǤ
  򰷤Ȥײ褷Ƥޤ

  ƤΥեꤷ֤顢ͥ
  Ƶươͥåȥ³Ƥߤޤ礦Ťͥ롢
  뤤ϡѥǥפƤ褦˶ᤷޤ⤷
  ȥ֥뤬ϤΥǥ鵯ưƽޤH.J.Lu
   `single disk boot disk'  Slackware ۤ˴ޤޤƤ `disk1'
  ȤΤ⤤Ǥ礦

  12.ʤ

  ޤǤ˽Ҥ٤ƤȤϡŵŪ Linux workstation ̾Υ
  ɥ桼ȤȤˤǤɼԤˤϤ⤦٤
  ɬפȤͤ⤤Ǥ礦ξϤǤϤΤɽŪʤΤ
  ĤҲ𤷤ޤ

  AX.25  Ottawa PI, generic SCC Ȥäɥ饤ФˤĤƤ HAM-
  HOWTO <http://sunsite.unc.edu/mdw/HOWTO/HAM-HOWTO.html> ˰ܤޤ

  12.1.  PPP - Point to Point Protocol.

  Point to Point Protocol ϥꥢξ tcp/ip ʤɤ͡ʥץ
  ̤˹ͰƤ줿ΨŪʥץȥǡ SLIP 
  äؤΤǤPPP ϥ顼θФ䥻ƥ˴ؤ¿Υ
  ʤɤεǽ˭٤ǤPPP  SLIP ǸĤäƤĤ
  Ʊ³ǤƱ³ǤȤ褦ˤʤäƤޤ

  PPP νפħ IP ɥ쥹ʤɤΥѥ᡼ưŪ˳Ƥ뤳Ȥ
  ñ˲ǽʤȤǡεǽϤƤ PPP СѤǤ
  εǽ PPP Υ饤Ȥ̤ηΥե졼Ȥä׵
  뤳ȤǼ¸ƤޤεǽΤ SLIP Τ褦ˡݤ
  򤹤ɬפϤʤʤޤSLIP ξ硢ɥ쥹ϥץȥ
  γǹԤʤɬפޤ

  PPP  Linux ˰ܿΤ Michael Callahan,
  <callahan@maths.ox.ac.uk>   Al Longyear, <longyear@netcom.com> 
  ʸ˵ʬ PPPΥեȥ°ʸ񤫤
  ΤǤPPP Υѥå°ΥɥȤϽ¤Ƥꡢ
  䤬⡢˾ܺ٤ʾ󤬴ޤޤƤΤǡҸɤ
  ᤷޤ

  Linux Ѥ PPP ΥɤϤʤ꿮⤤ΤƤޤ
  Linux  PPP  1.0.0 Υɤ Paul Mackrras  BSD  OS Ѥ
  free PPP 򸵤ˤƤޤ 1.0.0  free PPP  2.1.1 򸵤ˤƤ
  

  PPP Υץ 2 Ĥʬ鹽Ƥޤܤ kernel 
  Ȥߤޤ줿⥸塼 PPP Ѥ˥ե졼ʬ򤷤ꤷ
  Ĥ pppd Ȥǡǡ LCP  IPCPUPAPCHAP ȸ
  ΥץȥȤäơ³Τ˥ץȤꤷꡢ³
  Ωꡢǧڵǽ̤ꤷƤޤ

  12.1.1.  SLIP  PPP Ȥͳϡ

  SLIP  PPP ᤹ͳϤĤ⤢ޤǤŪͳ
  ϡ

     ³Υ󥿡ͥåȥץХ PPP 󶡤Ƥʤ
        SLIP  PPP ȤäȤϤäꤷͳϡ³Υ
        ͥåȥץХ SLIP 򥵥ݡȤPPP ݡȤ
        ʤǤ

     ˥Υ¿ꥢȤäƤ
        PPP  SLIP ȤϰۤʤꡢȤꤹƤΥե졼å
        ޤȤäƤ˥Υ¿硢SLIP Ǥϥ顼ν
        ³ξüʬʤʤΥޥ(SLIP ͳ
        󥿡ͥåȾΤɤˤ)³Υޥδ֤ǹԤʤޤ
        PPP Ǥϥ顼θФϥˡʤʤΥޥ
        (ꥢ³Ƥ) PPP Сδ֤ǹԤʤ
        Τᡢ顼β SLIP ®ʤޤ

     ¾PPP ΤߤεǽȤɬפ
        PPP ˤ SLIP 󶡤Ƥʤ¿εǽȤߤޤƤޤ
         IP ʳΥѥåȡDECNET  AppleTalk Υե졼򥷥ꥢ
        ͳꤿ PPP Ȥɬפޤ

  12.1.2.  PPP ΥեȤϤɤǤޤ

  PPP ϰʲΥȤǤޤ

  sunsite.unc.edu

        /pub/Linux/system/Networking/serial/ppp-2.1.2d.tar.gz

  ΥեˤϥͥΥ pppd ΥӥХʥ꤬ޤ
  ƤޤС 1.0.0 ϥͥ 1.0.x  1.1.x ѤǤ2.1.2
   1.2.x ѡǿ 2.2.0  1.3.x ѤˤʤäƤޤ
  [  : Ǥ pppd κǿС pppd-2.2.0e Ǥ ]

  12.1.3.  PPP Υ󥹥ȡ

  PPP 򥤥󥹥ȡ뤹ΤŪñǤ

  12.1.3.1.ͥȤߤޤ줿ɥ饤

  ǶΥͥǤ ppp 򥵥ݡȤƤΤǡ餫 PPPΥ
  Ѥʬ˴ޤޤƤޤǤ顢 ppp ȤͤϺǶ
  ΥͥȤäǤ礦ͥꤷƺƹۤΤϴ
  ñǡ/usr/src/linux ǰʲΤ褦ˤפǤ

        # make config   (PPP Ȥ褦ꤹΤ˺ʤ褦)
        # make dep
        # make          (ѥ塢ͥ򥤥󥹥ȡ뤹Τ
                         ˺ʤ褦)

  ͥǺƵưСư˰ʲΤ褦ʥåФϤ
  Ǥ

        PPP: version 0.2.7 (4 channels) NEW_TTY_DRIVERS OPTIMIZE_FLAGS
        TCP compression code copyright 1989 Regents of the University of California
        PPP line discipline registered.

  ΥåФ PPP εǽͥȤߤޤƤޤ

   /proc/net/dev 򸫤Ƥߤޤ/proc ե륷ƥ򸫤뤿ˤ
  more  less ϻȤʤȤդޤ礦 more  less Ϥޤե
  륵åޤ/proc ե륷ƥϤħȤ
  ե륵 0 ʤΤ more  less ǤȤޤ /proc
  ե륷ƥ򸫤 cat Ȥä

        # cat /proc/net/dev

  Ȥޤη̤ϰʲΤ褦ˤʤϤǤ

        Inter-|   Receive                  |  Transmit
         face |packets errs drop fifo frame|packets errs drop fifo colls carrier
        lo:        0    0    0    0    0        0    0    0    0     0    0
        ppp0:      0    0    0    0    0        0    0    0    0     0    0
        ppp1:      0    0    0    0    0        0    0    0    0     0    0
        ppp2:      0    0    0    0    0        0    0    0    0     0    0
        ppp3:      0    0    0    0    0        0    0    0    0     0    0

  ɽ PPP Υɥ饤ФϥͥȤߤޤƤ
  

  12.1.3.2.  pppd

  ppp ΥɤŸˤϰʲΤ褦ˤޤ

        # cd /usr/src
        # gzip -dc ppp-2.1.2d.tar.gz | tar xvf -

  pppd ƥѥ뤷Ÿ줿  pppd ֥ǥ쥯ȥ make
  ǤƤ OK Ǥlcp.c  upap.c, chap.c 򥳥ѥ뤹ݤˤϤ
  ٹåФ뤫ΤޤפǤ

  chat ƥѥ뤹硢chat ǥ쥯ȥˤ README.linux 
  Ǥ

  󥹥ȡ뤹ˤ chat  pppd Υǥ쥯ȥ make install 
  ޤΥޥɤ chat  pppd ΥХʥ /usr/sbin ˥󥹥
  뤷 pppd.8 Υޥ˥奢ڡ /usr/man/man8 ˥󥹥ȡ뤷
  

  pppd ưˤ root θ¤ɬפǤpppd  root  suid 
  root ˤʤäƵưޤ礦root ˤʤä pppd  install 
  root  suid ϤǤ

  12.1.4.  PPP Ȼˡ

  SLIP Ʊ͡PPP ⥯饤ȤȤƤ⥵СȤƤѲǽǤ
  SLIP  dip Ż PPP Ǥ chat Ȥץबô
  ȥޥä򤫤ơץưŪ˼¹Ԥޤä
  ⡢dip Ȥϰۤʤ chat Ǥ ioctl Ȥäƥꥢ PPP Ѥβ
  ѹȤϹԤʤޤ󡣤 pppd λŻǤpppd ϥ
  饤ȤȤƤ⥵СȤƤȤޤpppd ϡ̾ chat ץ
  फ鵯ư³ȥν򤷡 ioctl ȤäƲ ppp
  ѤѹĤΥƥåפФƤʤΥޥ³Υޥ
  Ǥ褦ˤơХå饦ɤꡢʤ˽Ѥͤޤ

  ܤ pppd  chat Υޥ˥奢
  ⤺äȾܤ ppp Υѥå° READMEե˵ܤ
  ƤΤǡ README եˤܤ̤Ƥ

  12.1.4.1.òͳ PPP ³ˡ

  ¿οͤλȤ򤹤ȻפΤǡޤǥͳòͳ
  ³ˡˤĤޤPPP ³󶡤Ƥ륤󥿡ͥåȥץ
  ³ˡǤñ³ʤ顢pppd ̵ǵư
  ­ޤξ硢PPP С IP ɥ쥹ưŪ˳
  Ƥޤ餫Ƥ륢ɥ쥹ȤˤĤƤϸ
  ޤ

  pppd ˤư椹뤿¿ΥץѰդƤޤ
  ΥץϰȤͿǤʤե˽񤤤ƤȤ
  ǽʤΤǡps ʤɤĴ٤ƤɤΤ褦ʰȤäƤ뤫ʤ
  ȤǽǤεǽ pppd  chat ͳǵưƤä˽
  פˤʤޤȤΤ⡢ chat ϥС˥󤹤뤿Υѥ
  ɤȤꤹΤǡ(ȤͿΤǤϤʤ)ե˽
  Ƥ¾ͤ ps ǸƤѥɤʤ褦ˤƤΤϥ
  ƥפǤ

  pppd Ȥե /etc/ppp/options Ǥ

  ŵŪ PPP ξ硢/etc/ppp/options ϤˤʤǤ礦

        connect /etc/ppp/ppp-connect
        /dev/ttyS1
        19200
        crtscts
        modem
        lock
        asyncmap 0
        defaultroute

  Υץΰ̣

  1. pppd ϥǥȤäƥ뤷󤹤Τ /etc/ppp/ppp-
     connect ȤץȤȤޤ

  2. pppd ϥꥢǥХ ttyS1  19200 bits/sec Υԡɤǻ
     ϡɥȤΥϥɥˤ crtscts Ȥmodem ο
     (CD)ƻ뤷ơ³Ƥ뤫λȽꤷޤ

  3. pppd  tty ǥХѤ˥åեꡢȤäƤ tty ¾
     ץȶ礷ʤ褦ˤƤޤ

  4. PPP β `8 ӥåȥ꡼' ǡƤΥ饯ƩǤ
     asyncmap ץϤɤΥ饯򥨥פ뤫ꤷǥե
     ȤǤϥȥ륭饯򥨥פ褦ˤʤäƤޤ
     Ƕ PPP СϤƤ 8 ӥåȥ꡼ˤʤäƤϤ
     ʤΤǡ asyncmap  0 ˻ꤷơpppd פ륭饯
     ̵ˤޤ

  5. pppd ³Ω ppp ǥХǥեȤηϩˤޤ

     [  : ͥåȤȥꥢ³Υȥˤʤɡ
     餫ǥեȥ롼ȤꤵƤС񤭤뤳Ȥ
     ޤ]

  Υƥåפ /etc/ppp/ppp-connect ץȤǤΥ
  Ȥ pppd դƤ chat ץȤΤǤ礦

  ޤPPP Сؤ³礬ɤΤ褦ʤΤǧޤʲ˼
  Τϥץ륹ץѤβͶμǤ

        CONNECT 14400

        Welcome to XYZ PPP server!

        login:                      <桼̾>^M
        password:                   <ѥɤ>^M

        Now entering PPP:

  chat ץϰȤ /Ȥ ʸ¤٤Ƥޤ
  ʸϡִԤʸ ʸ νФˤƤ
  /etc/ppp/ppp-connect ץȤ chmod ɬפʿͰʳˤϸʤ
  褦ꤷޤΤ褦ʽξ硢бϰʲΤ褦ˤ
  Ǥ礦

        #!/bin/sh
        # A chat script to login to the XYZ PPP server.
        #
        NUM=5552857
        UID=terryd
        PASSWD=secret1
        #
        /usr/sbin/chat -v "" ATZ OK ATDT$NUM CONNECT ogin: $UID word: \\q$PASSWD PPP:

  Ǥϡޤ˥ǥ륷(ATZ)դ
  Ƥޤ

  "" ȤΤϡֲԤʤפȤ̣ƤޤƬˤդ
  ȡޤƤϤ뤳Ȥˤʤޤ

  -v ץ chat Ĺ⡼ɤưǤΥ⡼ɤˤƤ
  Сμ syslog ΤǡºݤˤɤΤ褦ʤ
  Ȥ꤬ԤʤƤΤܤĴ٤뤳ȤǤޤ$PASSWD 
  \\q դƤ\\q դȡʸʬ syslog ˥
  ʤʤޤƤСʬΥѥɤ򥷥ƥΥ
  ե˵ϿƤޤȤϤޤ

  /etc/ppp/ppp-connect  chmod 600 /etc/ppp/ppp-connnect Ȥơ¾Υ
  ˥ѥɤ򸫤ʤ褦ˤƤޤ礦

  嵭 PPP ³򳫻Ϥˤϡñ `pppd' ǤĤǡϼ
  ưŪ˿ʹԤޤƥ˻Ĥ줿οʹԾ֤ѻ
  礦ƥμ³λ route -n ޥɤȤäơ
  ǥեȤηϩ ppp0 ǥХˤʤäƤ뤳ȤǧƤ

  餫ޤäƤ IP ɥ쥹ȤϰʲΤ褦ʹԤ
  /etc/ppp/options ե˲äƤޤ

        nnn.nnn.nnn.nnn:

  ǡnnn.nnn.nnn.nnn Ϥʤ IP ɥ쥹ǤդƤۤΤ
  λ³Υ󥿡ͥåȥץХĤƤˤ
  Ȥޤ󡣺Ǹ : ()פǤ

  pppd ǤϡǾ夲ʳˤ¿Υץ option ե˻
  ǽǤܤ pppd chat Υޥ˥奢

  12.1.4.2.ͳǤ PPP ³ˡ

  Ȥä PPP Υ饤ȤꤹΤϤñǤǤ
  pppd ץȤޤǥͳòΤ褦˥
  ³褦ʺȤפʤΤ chat ץϤäȴñǤߤ
  

  ˼ץǤϡ ppp Сϰڥμ³ɬפȤ
  ʤ褦ˤʤäƤޤΤ褦ͳϡ
  ˡϥۥȤȤ˰ۤʤޤʤȤΥޥ³褦ʾ
  硢˼褦ʼꤹ뤳ȤǽǤ

        pppd defaultroute noipdefault debug \
        kdebug 2 /dev/cua0 9600

  ޤꥢǥХ򥪡ץ󤷤 ioctl Ǥ ppp ǥХѹ
  ޤơǥեȤηϩ򤳤 ppp 󥿡եˤ
  noipdefault λϺѤ IP ɥ쥹ϥСͿƤ
  餦Ȥ̣ޤ debugǻꤷϤ syslog ޤ
  kdebug 2 λ debug åνϥ٥ 2 ˤ롢Ȥ
  ǡܤ󤬽Ϥ褦ˤʤޤpppd  /dev/cua0 
  9600bps Ѥޤ

  ⤷³ΥС餫Υ³ɬפȤʤ顢
  ͳǤĤʤǼ褦 chat ȤäơñǤǤ
  

  ܤ pppd  chat Υޥ˥奢ppp ˤĤ
   README եˤ⡢䤬ꤺäȾܤ󤬵
  ƤΤǡܤ̤褦ˤƤ

  12.1.4.3.  PPP Сˡ

  PPP С SLIP СȤ褯ƤޤPPP ³Ѥˡ
   `ppp' ȤȤꡢΥȤΥ󥷥Ȥ
  pppd ư褦ʥץȤꤷޤξ硢 /etc/passwd 
  ȥ꡼ϤΤ褦ʷˤʤǤ礦

        ppp:EncPasswd:102:50:PPP client login:/tmp:/etc/ppp/ppplogin

  /etc/ppp/ppplogin ץȤϤդˤʤϤǤ

        #!/bin/sh
        exec /usr/sbin/pppd passive :192.1.2.23

  ǻꤷƤ륢ɥ쥹(192.1.2.23)³ƤޥͿ
  ɥ쥹ˤʤޤ

  ̡ʣΥ桼Ʊ˥Ƥ褦ʴĶǤϡƱ
  Ĥ桼εưѤΥץȤȥȤѰդơ
  줾 ip ɥ쥹ꤷƤɬפޤ

  12.1.5.  PPP ˤĤƤܤˡ뤤ϥХݡȤ
  

  The PPP-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/PPP-HOWTO.html> ϡ
  ˼⹭ϰϤ򥫥СƤͥ줿ͽǤ

  Linux  PPP ˤĤƤεʬ PPP ᡼󥰥ꥹȤǹԤƤ
  ޤ

  linux-ppp ᡼󥰥ꥹȤ˻äˤϡ

        Majordomo@vger.rutgers.edu

  ˡʸ

        subscribe linux-ppp

  Ƚ񤤤᡼ޤsubjcect: ιԤ̵뤵ޤ

  ĤƤۤΤǤХ𤹤Ȥϲǽʸ¤¿̤ξ
  ޤ褦ˤƤ狼䤹Фۤɡ
  ŪΤʽ뤳ȤǤ礦

  ޤʲʸΩĤǤ礦

  RFC 1548, 1331, 1332, 1333, 1334餬 PPP Ƥʸ
  

  W.Richard Stevens ΡTCP/IP Illustrated Vol 1(Addison-Wessley,
  1994, ISBN 0-201-63346-9)ˤ PPP ˤĤƤޤ

  12.2.  Slip Сˡ

  ͥåȥ³줿ޥ󤬼긵ˤäơòͳ³Ƥ
  ͤ³ӥ󶡤硢Υޥ򥵡СȤ
  ɬפޤ⤷ꥢѤΥץȥȤ SLIP Ȥ
  硢ˤϰʲ˼ 3 ˡޤΤϺǽ
  ˾夲 sliplogin Ȥˡǡ줬äȤñʬ䤹Ȼפ
  ޤǤ⡢ĤˡˤĤƤޤΤǡɤ줬Ϥʤ
  Ǥ

  12.2.1.  sliplogin Ȥäˡ

  sliplogin ̾Υ󡦥Ȥʤ SLIP 桼ѤΥ
  ѤΥץǡ³ SLIP Ѥѹ뵡ǽäƤ
  sliplogin ȤС³Ƥ桼Ʊɥ쥹
  ƤŪʥɥ쥹СȤƤ⡢㤦(⤷ʤ)ɥ쥹
  ꤢƤưŪʥɥ쥹СȤƤǽǤ

  ä򤫤Ƥͤϡ³뤿Ӥ̾Υץʤ
  ޤ桼̾Ϥ˥ѥɤϤȤץ̲ᤷ
  ޤθ夬̤ΥȤ¿ۤʤäƤơ̾Υ
  󥷥ưΤǤϤsliplogin ươޤѥե
  (/etc/slip.hosts)ɤߤߡäƤͤϤ̾
  ϿƤ뤫ɤåޤϿƤС 8 bit
  ꡼ꤷ ioctl Ȥä SLIP Ѥ˲ѹޤʾμ³
  κǽʳ sliplogin  SLIP 󥿡ե
  Ŭڤ ip ɥ쥹ͥåȥޥꤷ롼ƥ󥰥ơ֥˾
  ɲä뤿ΥץȤưޤΥץȤ
  /etc/slip.login ȸƤФƤޤgetty Ʊͤ³ˤäƤ
  򤹤ɬפ뤿 /etc/slip.login.loginname Ȥơǥե
  ȤΥե˥桼̤եѤ뤳ȤǽǤ

  sliplogin Ȥˤϡʳˤ 3 Ĥ 4 Ĥե뤬ɬ
  ȤʤޤʲˤΥեˤĤơɤΤ褦ꤹ뤫
  ޤ

  o  /etc/passwd ˤϲͳ³Ƥ桼ΥȤѰդ
     ޤ
  o  /etc/slip.hosts ˤϲͳ³Ƥ桼Ȥξ
     Ƥޤ

  o  /etc/slip.login ˤ³Ƥ桼Ѥηϩ񤤤Ƥ
     

  o  /etc/slip.tty ϡưŪʥɥ쥹γƤȤꤷޤ
     ΥեˤϳƤ٤ɥ쥹Ƥޤ

  o  /etc/slip.logout ˤϥ桼ڤä logout θ
     򤹤륳ޥɤ񤤤Ƥޤ

  12.2.1.1.  sliplogin ϤɤˤΡ

  sliplogin ϰʲΥȤǤޤ

  sunsite.unc.edu

        /pub/Linux/system/Network/serial/sliplogin-2.0.tar.gz

   tar եˤϥХʥȥޥ˥奢ڡޤޤƤ
  

  դߤΤǤsliplogin ưǤΤ˵Ĥ줿桼
  ǤΤᡢ/etc/group ե˰ʲΤ褦ʵҤɲä
  ޤ

         ..
        SLIP::13:radio,fred
         ..

  sliploginѤΥѥå򥤥󥹥ȡ뤹С Makefile ưŪ
  sliplogin ϢΥץνͭ롼פ SLIP ѹSLIP Υ
  פ°桼ΤߤץưǤ褦ꤷޤ
  Ǥ SLIP 롼פ° radio  fred  sliplogin¹ԤǤ
  ޤ

  Хʥ /sbin ˡޥ˥奢 8 Ϥ˥󥹥ȡ뤹ˤϡʲΤ
  ˤޤ

        # cd /usr/src
        # gzip -dc .../sliplogin-2.0.tar.gz | tar xvf -
        # <..shadow password Ȥʤ Makefile 뤳..>
        # make install

  ʬǥХʥƥѥ뤷 make install  make
  clean Ƥ⤷Хʥɤ̤ξ˥󥹥ȡ뤷
   Makefile Ŭڤʲս񤭤ƤޤʤǤ礦

  ܤϥץ° README ե

  12.2.1.2.  Slip ³ۥѤ /etc/passwd 

  SLIP СΰŪʱˡȤƤϡ SLIP ³ƤѤ
  ΥȤ /etc/passwd ˺Τ̤ǤΥȤ³
  Ƥۥ̾Ƭ S դΤ򥢥̾ˤ礬¿
  С³Ƥޥ radio Ȥۥ̾ä硢

        Sradio:FvKurok73:1427:1:radio SLIP login:/tmp:/sbin/sliplogin

  Τ褦ʥեɤ /etc/passwd ˺ޤ

  ̾ϴԤˤȤäƤ狼䤹Сäˤɤ̾Ǥ⤫ޤ
  ޤ

  աۥȤȤ˥̾ޤºݤˤΥȤǥ
  󤷤 shell ȤȤ̵Τǡۡǥ쥯ȥѰդƤ
  ɬפϤʤ/tmp ۡǥ쥯ȥ˻ꤷƤФ
  礦ޤ̾Υ sliplogin ȤäƤ뤳Ȥդ
  Ƥ

  12.2.1.3.  /etc/slip.hosts ˡ

  ȤƵư줿 sliplogin  /etc/slip.hosts եĴ٤ơ
  ̾򸵤ˡ줾³ԤȤ˾ܤꤷޤ³
  ˤ IP ɥ쥹³֤ꤹΤ⤳ΥեǤʲ
  ץǤϡ radio ȤۥȤˤŪʥɥ쥹albert Ȥ
  ۥȤˤưŪʥɥ쥹Ȥ褦ˤ줾ꤷƤޤ

        #
        Sradio    44.136.8.99    44.136.8.100   0xffffff00   normal
        Salbert   44.136.8.99    DYNAMIC        0xffffff00   compressed
        #

  /etc/slip.hosts γΰ̣ϡ

  1. ³Ԥ login ̾

  2. Сޥ(ʤΥޥ) ip ɥ쥹

  3. ³Ԥˤ٤ ip ɥ쥹 DYNAMIC λˤʤäƤ
     Сip ɥ쥹ϸҤ /etc/slip.tty եѰդƤ
     ΤưŪ˳ꤢƤޤաεǽȤˤϡʤ
      sliplogin  1.3 ʾΥСΤΤȤäƤ

  4. ³ƤޥλȤͥåȥޥ 16 ʤɽΡ㤨
     С Class C Υͥåȥޥξ硢0xffffff00 ˤʤޤ

  5. ̵ǽʤɤꤹ뤿Ǥ

  ա2 Ĥ 3 Ĥˤϥۥ̾Ǥ⡢ɥåȤǶڤä IP ɥ
  Ǥ⡢ɤηǤ񤱤ޤۥ̾ǻꤷ硢Υۥ̾
   IP ɥ쥹ѴǤʤФʤޤ󡣥ۥ̾ IP ɥ쥹
  ѴǤʤȥץȤϰ۾ｪλƤޤޤ IP ɥ쥹
  ѴǤ뤫ɤƥȤˤϡΥۥ̾ telnet ƤߤΤ
  Ǥ礦Trying nnn.nnn.nnn... ȤåФФΥۥ
  ̾ IP ɥ쥹ѴǤƤޤ"Unknown host.." Ȥå
  ФϤޤѴǤƤޤ󡣤ޤѴǤʤ IP 
  쥹ľܽ񤯤꥾ФƤ(̾Ѵפξ)

  ʾ˼ʳˤ⡢ĤץȤƻǤѥ᡼¸
  ߤäȤ褯Ȥ륪ץѥ᡼ϰʲĤǤ

     normal
        ̾󰵽̥פ SLIP

     compressed
        van Jacobsen Υإå̤ǽˤ SLIP(cSLIP)

  ߤ¾ŪʤΤǡɤ餫ΤߤꤷƤ¾
  ΥץˤĤƤϥޥ˥奢򻲾ȤƤ

  12.2.1.4.  /etc/slip.login ե

  sliplogin  /etc/slip.hosts Ĵ١б륨ȥ꤬Ĥ
  С/etc/slip.login ¹Ԥ SLIP 󥿡եꤵ줿 IP 
  ɥ쥹ȥͥåȥޥꤷޤ

  sliplogin Υѥå° /etc/slip.login ΥץϤΤ褦
  ʤäƤޤ

        #!/bin/sh -
        #
        #       @(#)slip.login  5.1 (Berkeley) 7/1/90
        #
        # generic login file for a SLIP line.  sliplogin invokes this with
        # the parameters:
        #     $1       $2        $3       $4         $5        $6    $7-n
        #   SLIPunit ttyspeed loginname local-addr remote-addr mask opt-args
        #
        /sbin/ifconfig $1 $4 pointopoint $5 mtu 1500 -trailers up
        /sbin/route add $5
        arp -s $5 <hw_addr> pub
        exit 0
        #

  ΥץȤ ifconfig  route ޥɤȤäơ SLIP ǥХ
  ꤷ IP ɥ쥹⡼Ȥ IP ɥ쥹ͥåȥޥꤷ
  ơSLIP ǥХͳǥ⡼ȥɥ쥹ã褦ʷϩꤷƤ
  ޤslattach ޥɤȤäȤΤͤϤ褯ˡȵŤ
  Ǥ礦

  ⤦(proxy) ARP ȤäơСޥƱͥåȾ
  ˤ¾Υۥȥޥ˲ͳΥޥؤãˡ򶵤Ƥ
  դƤ<hw_addr> եɤǤϡСޥΥͥå
  ɤΥϡɥɥ쥹ꤷޤ⤷Сޥ󤬥
  ͥåȤȤäͥåȥ³Ƥʤʤ顢ιԤϺƤ
  ޤ

  12.2.1.5.  /etc/slip.logout ե

  ³ڤȡ(SLIP ǥХȤꤵƤ)ꥢǥХ
  ̾ξ֤ᤷơ³ԤȥǤ褦ˤƤɬ
  פޤ /etc/slip.logout եǻꤷޤեޥ
  ȤϤñǡ

        #!/bin/sh -
        #
        #               slip.logout
        #
        /sbin/ifconfig $1 down
        /sbin/route del $5
        arp -d $5
        exit 0
        #

  ΥץȤäƤΤϥ󥿡ե֥פ
  ꤵ줿ϩ뤳ȤǤƱ arp -d ޥɤ proxy
  Ƥޤ⤷Сޥ󤬥ͥåȤ³Ƥ
  ʤʤ arp ʬפǤ

  12.2.1.6.  /etc/slip.tty ե

  ưŪ IP ɥ쥹γƤԤ硢ʤ /etc/slip.hosts ե
   DYNAMIC ΥɤĥۥȤ硢Ƥ٤
  쥹򵭺ܤ /etc/slip.tty եѰդɬפޤ
  /etc/slip.ttyե IP ɥ쥹ưŪƤȤˤΤɬ
  ʥեǤΥե SLIP ³Ƥ ttyǥХȤΥݡ
  Ȥ³Ƥ桼˳ꤢƤ٤ IP ɥ쥹Ȥߤ碌ɽ
  ˤʤäƤޤ

  ΥեΥեޥåȤ϶ŪˤϰʲΤ褦ˤʤޤ

        # slip.tty    tty -> IP address mappings for dynamic SLIP
        # format: /dev/tty?? xxx.xxx.xxx.xxx
        #
        /dev/ttyS0      192.168.0.100
        /dev/ttyS1      192.168.0.101
        #

  Υơ֥ɤϡ/dev/ttyS0 ³ѼԤǡ
  /etc/slip.hosts Υ⡼ȥɥ쥹 DYNAMIC ˤʤäƤ
  硢192.168.0.100 Ȥɥ쥹Ϳ롢Ȥ̣ˤʤޤ

  Τ褦ˡ³˻ȤݡȤȤ˰ĤΥɥ쥹ꤢƤ뤳Ȥǡ
  ƤΥ桼Ȥ IP ɥ쥹ꤢƤɬפ̵ʤꡢǾ¤
  IPɥ쥹ѰդǺѤߤޤ

  12.2.2.  dip Ȥ Slip С

  ʲ Linux  SLIP СȤƻȤˡñˤޤȤƤ
  dip Υޥ˥奢򸵤ˤΤǤоݤȤƤ dip  dip337j-
  uri.tgz 򸵤ˤƤΤǡ¾ΥСǤϤޤƤϤޤʤ
  Τޤ

  dip ˤϥ⡼ɤεǽꡢư桼̾򥨥ȥȤ
  ơ/etc/diphosts եεҤ˽äƥꥢ饤 SLIP Ѥ
  뤳ȤǤޤdip ϥ⡼ɤǵưˤ dip  diplogin 
  ̾ǵưޤʤ dip  SLIP СȤƻȤˤϥ
  󥷥Τ diplogin Ȥ̤ΥȤФ
  ˤʤޤ

  ޤʲΤ褦 diplogin  dip Υܥå󥯤ˤޤ

        # ln -sf /usr/sbin/dip /usr/sbin/diplogin

  ˡ/etc/passwd  /etc/diphosts ե˥ȥäޤɬ
  ʥȥϰʲΤ褦ʥեޥåȤǤ

  Linux  dip Ȥä SLIP СȤꤹˤϡ(ϥ⡼ɤˤ
  ) dip 󥷥ˤ̤ SLIP Ȥ桼Ȥ
  ꤷޤȤơSLIP ³ΥȤϡʸ `S' Ϥޤ
  ̾ʤ `Sfredm' ߤˤޤ

  SLIP 桼Ѥ /etc/passwd Ϥˤʤޤ

        Sfredm:ij/SMxiTlGVCo:1004:10:Fred:/tmp:/usr/sbin/diplogin
        ^^         ^^        ^^  ^^   ^^   ^^   ^^
        |          |         |   |    |    |    \__ 󥷥뤬 diplogin
        |          |         |   |    |    \_______ ۡǥ쥯ȥ
        |          |         |   |    \____________ 桼̾
        |          |         |   \_________________ Group ID
        |          |         \_____________________ User ID
        |          \_______________________________ Ź沽줿ѥ
        \__________________________________________ Slip User Login Name

  桼󤷤Ƥȡlogin(1) ץब桼å
   diplogin ޥɤưޤ diplogin Ȥޥ̾ǵ
  ư줿 dip ϼʬ󥷥ǧơޤ getuid() Ǽʬ
  ư桼 id ޤˡΥ桼 id  /etc/diphosts
  õơ桼 id ʬư tty ǥХ̾򸫤Ĥε
  ҤˤäƲꤷޤ桼Υȥ diphosts ե
  ˺뤫ǥեȤեѤ뤫ˤäơ桼
  ȤŪ IP ɥ쥹γƤȤưŪ IP ɥ쥹γ
  ȤȤ߹碌뤳ȤǽǤ

  dip ϥ⡼ɤǵư줿硢ưŪ `(proxy) ARP'
  Τǡä proxy ԤɬפϤޤ

  12.2.2.1.  /etc/diphosts 

  /etc/diphosts ϡ⡼ȥۥȤõ dip ưŪ˸ˤ椯
  եǤ⡼ȥۥȤϤʤΥޥ³Ƥ桼
  뤫⤷ʤʤΥޥ³ˤ椯ޥ󤫤Τޤ

  /etc/diphosts ΰŪʥեޥåȤϰʲΤ褦ʤΤǤ

         ..
        Suwalt::145.71.34.1:145.71.34.2:255.255.255.0:SLIP uwalt:CSLIP,1006
        ttyS1::145.71.34.3:145.71.34.2:255.255.255.0:Dynamic ttyS1:CSLIP,296
         ..

  줾Υեɤϡ

  1. ̾getpwuid(getuid()) ̾ tty ̾

  2. ̤ѡpasswd ȤθߴΤᡣ

  3. ⡼ȥɥ쥹³ƤۥȤ IP ɥ쥹뤤
     ۥ̾

  4. 륢ɥ쥹Υޥ IP ɥ쥹뤤ϥۥ̾

  5. ͥåȥޥɥåȶڤ 10 ɽ

  6. ȥեɡ񤤤Ƥġ

  7. ץȥ롧Slip, CSlip λꡣ

  8. MTU: 10 ʿǻ

  ⡼Ȥ SLIP 桼 /etc/net/diphosts Υȥϡ

        Sfredm::145.71.34.1:145.71.34.2:255.255.255.0:SLIP uwalt:SLIP,296

  Ǥ SLIP ³Υ⡼ȥɥ쥹 145.71.34.1  MTU  296 
  Ƥޤ뤤ϡ

        Sfredm::145.71.34.1:145.71.34.2:255.255.255.0:SLIP uwalt:CSLIP,1006

  Ǥ cSLIP ³ǥ⡼ȥɥ쥹 145.71.34.1 ˤơMTU 
  1006 ˤƤޤ

  ʤŪ IP ɥ쥹Ƥ桼ˤĤƤ
  /etc/diphosts ꤷơưŪ IP ɥ쥹Ƥ桼ˤ
  tty ǥХ򸵤ˤѰդơ桼̾ȤäȥϺ
  ޤ󡣤줾 tty ǥХȤ˾ʤȤĤѰդơ
  桼ɤΥǥͳ³ƤŬڤ꤬Ԥ褦ˤ뤳
  ˺ʤ褦ˡ

  桼󤷤ƤС̾ΥץץȤȥѥɥץ
  ץȤɽ졢SLIP-login Ѥ˥桼 id ȥѥɤϤ
  餬С桼ˤä˥åϤ줺˲
  SLIP ⡼ɤѹ졢diphosts եΥѥ᡼˽äꤵ
  

  12.2.3.  dSLIP ѥåȤä SLIP С

  Matt Dillon <dillon@apollo.west.oic.com> òͳǥ
  ǤʤʬˤȤ褦ʥץޤ
  ޤκäѥåϡ³򤵤ޤޤ椹뾮ʥץ
  फ鹽ƤޤȤĤΥץȤ tcsh 󥹥ȡ
  뤵Ƥ뤳Ȥ˺Ƥޤ Matt  SLIP ѥѥå
  ɬפȤ桼ƥƥΥХʥۤƤޤΥѥå
  Ȥʤˤ¿ηиɬפȤʤޤѤɬפϤޤ
  

  Matt ϥѥå° README եȤƾܺ٤ʥ󥹥ȡ
  򤷤ƤƤΤǡ򷫤֤ȤϤƤޤ

  dSLIP ϰʲΥȤǤޤ

  apollo.west.oic.com

        /pub/linux/dillon_src/dSLIP203.tgz

  뤤

  sunsite.unc.edu

        /pub/Linux/system/Network/serial/dSLIP203.tgz

  ° README եɤ make install ˺줺 /etc/passwd
   /etc/group ȥäƤȡ

  12.3.ưޥȥǡ - AMD

   Mitch DSouza ξǾ¤νΤߤǵܤƤ
  Mitch ꤬Ȥ

  12.3.1.ưޥȤäƲΩĤΡ

  ưޥȤϥե륷ƥɬפ˱ƼưŪ˥ޥȤƤ
  ˡǤˡȤХСȥ饤٤򸺤
  NFS ȤʤƤ⤭ƽʥե빽Ǥޤޤ
  ץ饤ޥΥСѤǤʤ硢ưŪ˥ΥФ˥
  å褦ʥƥξĹǽǤunion mount Ȥޥ
  ˡ⤢ꡢʣΥǥ쥯ȥȤĤΥǥ쥯ȥ˸褦
  ʤȤǽǤ˭٤ʵǽȤʤˤɬ°Υޥ˥奢
  ɤǤ

  ˺ƤϤʤʤפʥݥȤ򤤤Ĥ(٤ν֤Ȥ櫓ǤϤ
  ޤ)

  o  amd λȤ map ե Sun ΤΤȤϸߴϤʤ HP ΤΤ
     ߴϤޤ󡣤amd ϥե꡼ۤǤ SUN  HP 
     ưޤ°ΤΤ˭٤ʵǽäƤޤ
     顢amd Ȥäƥͥåȥΰ۵ޥ֤ map ե
     ͭ뤳ȤǽǤMitch  Linux/Dec/NeXT/SunȤäޥ
     ߤͥåȥĶ amd ȤäƥǥͭƤ뤽
     

  o  Sun  automount Ȥ map ե amd Υѥå contrib
     ǥ쥯ȥˤ automount2amd.pl Ȥ perl ץȤ amd 
      map եѴǤޤ

  o  amd Ȥˤϡ portmapper ưƤɬפ
     

  o  UFS ޥȤϥॢȤޤ

  o  Linux ΤߤεǽǤUFS ޥȤ Linux ͭΥե륷
     (minix, ext, ext2, xiafs,,)Ʊͤ˰ޤǥեȤǤ minix
     ե륷ƥˤʤäƤޤεǽϥޥ˥奢ˤϽ񤤤Ƥ
     󤬡opts ˰Ϳ뤳ȤǡʲΤ褦˼¸Ǥޤ

         ..., opts:=type=msdos,conv=auto

  o  direct automount ץȤ鷺˴¸Υǥ쥯ȥ˥ޥȤ
     ƤϤޤdirect automount ץȤ鷺˥ޥȤ
     ȡï /home/fred ۡǥ쥯ȥˤƤǤ /home 
     ʤΥǥޥȤƤޤޤ

  o  ⤷꤬С`-x all' ץꤷơ amd Υ
     Ƽ褦ˤޤޤ

        % amq -ms

     ΥޥɤȤС꤬Ƥ𤵤ϤǤ

  o  GNU  getopt() ϻȤƸ礬ޤץ̵
     ʬꤹ `--' դơץȤƲᤵʤ褦
     ˤɬפޤ

        # /etc/amd -x all -l syslog -a /amd -- /net /etc/amd.net

  12.3.2.  AMD ˡ

  amd 

  sunsite.unc.edu 

        /pub/Linux/system/Misc/mount/amd920824upl67.tar.gz

  ˤޤΥѥåˤϥХʥȥ켰texinfo Υ
  ȤޤޤƤޤ

  12.3.3.  AMD 

  ߻Υե륷ƥ˴ؤƤ /etc/fstab ꤷޤư
  ޥȤ˴ؤϤΥեǤϹԤʤ鷺ޥɥ饤󤫤
  ޤ

  /etc/fstab  NFS ޥȤȤäƤ硢ʲΤ褦ʥȥ꤬
  ϤǤ

        server-1:/export/disk  /nfs/server-1  nfs  defaults
        server-2:/export/disk  /nfs/server-2  nfs  defaults

  Ǥ server-1  server-2 Υǥ (/export/disk)
  /nfs/server-1  /nfs/server-2 ˤ줾 NFS ޥȤƤޤ

  amd Ȥ硢/etc/fstab  NFS ꤷƤ뤳ιԤ
  뤤ϥȥȤơʲΥޥɤ amd ưޤ

        /etc/amd -x all -l syslog -a /amd -- /nfs /etc/amd.server
        |      | |    | |       | |     |  | |  | |             |
        |      | |    | |       | |     |  | |  | |             |
        `------' `----' `-------' `-----' -' `--' `-------------'
        |        |      |         |      |   |    |
        (1)      (2)    (3)       (4)    (5) (6)  (7)

  ǡ

  1. amd μ¹ԥեؤΥեѥλ(եѥɬܤǤ
     ޤ)$PATH ˤäƤ `amd' ǤǽǤ

  2. `-x all' ƤΥ롢ȤǤμˤϤ
     Υ٥뤬ޤΤǡܤϥޥ˥奢򸫤Ƥ

  3. `-l syslog' λϡ syslog daemon ͳǼ뤳Ȥ̣
     syslog daemon ͳХե˽Ϥꡢפꡢ
     ̵뤷ꡢɤζ tty console ˽ϤǤޤsyslog
     ľܥե̾ꤹ(㤨 `-l foo')ϤΥե
     (foo)˽Ϥޤ

  4. `-a /amd' λ /amd ǥ쥯ȥưޥȤΰŪʥޥ
     ˤ뤳Ọ̇̄ޤΥǥ쥯ȥ amd ưŪ˺
      Ťǥ쥯ȥ꤬ĤäƤС /etc/rc ΥץȤʤɤ
     amd ư˺ɬפޤ

  5. `--'  getopt() ˤʹߤʬϥץȤƲᤷʤȤ
     ؼޤޥɥ饤 `type:=' ץȤ硢λ
     򤷤ʤ getopt() ְäƥץǤȲᤷƤޤ
     

  6. `/nfs' ºݤΥޥˤʤޤΥǥ쥯ȥ⼫ưŪ˺
     Τǡ`type:=direct' ץȤơ֥ǥ
     쥯ȥ꤬¸ߤƤϤޤ

  7. amd  map եλꡣꤷƤ `amd.server'ϰʲΤ褦
     ʤäƤޤ

        # /etc/amd.server
        /defaults    opts:=rw;type:=nfs
        server-1     rhost:=server-1;rfs:=/export/disk
        server-2     rhost:=server-2;rfs:=/export/disk

  amd ưƤưƤС

        % amq -ms

  ޥɤǸߤΥޥȤξǧ뤳ȤǤޤ

  ñ

        % ls /nfs

  ȤǤϥեϸޤ󤬡

        % ls /nfs/server-1

  ȤС`server-1 ' ưŪ˥ޥȤƤȤɽޤ
  ɽ amd ƯƤޤ֤в᤹ȡ
  ǥ쥯ȥϼưŪ˥ޥȤޤ

  amd ȤäƳƿͤΥۡǥ쥯ȥ褦ʾ硢
  /etc/password Ϥˤʤޤ

         ...
        linus:EncPass:10:0:God:/nfs/server-1/home/linus:/bin/sh
        mitch:EncPass:20:10:Mitch DSouza:/nfs/server-1/home/mitch:/bin/tcsh
        matt:EncPass:20:10:Matt Welsh:/nfs/server-1/home/matt:/bin/csh

  Τ褦˻ꤷƤСLinus  Matt뤤 Mitch  login 
  硢Υۡǥ쥯ȥ꤬ŬڤʥС鼫ưŪ˥ޥ
  졢logout мưŪ˥ޥȤޤ

  12.4.  Linux 롼ȤƻȤˤ

  Linux ϥ롼ȤƤⵡǽޤ롼ȤƻȤˤ gatedΤ褦ʥ
  ƥѥǡưñʷϩ椷ɬפʤŪʥ
  ƥ󥰤ꤷޤǶΥͥ(1.1.* ʹ)ȤäƤ硢
  ͥƹۤݤˡ

        IP forwarding/gatewaying (CONFIG_IP_FORWARD) [y] y

   y ꤹɬפޤ

  Olaf Kirch  NAG ˤϥͥåȥΥǥˡ롼ƥ󥰤ˤĤƤ
  ΤǡܤΤꤿϤҤNAG ˤĤƤϡִ
  ϢʸפξϤǿƤޤ

  12.5.  NIS - Sun Network Information System

  NIS ˶̣СNIS-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/NIS-
  HOWTO.html> 򤼤ҤNIS-HOWTO ˤɬפʥեȤˡ
  Linux Ѥ NIS λˤĤƾܤƤޤ

  13.¸/ȯΥ⥸塼

  ߤ⡢¿ο͡ǽȥ⥸塼Linux Υͥåȥ
  Ѥ˳ȯƤޤĤϤܴۤ˶ᤤ֤ˤʤäƤ꽼ʬǽ
  ƤޤΤ褦ʥ⥸塼򤳤ξϤǾҲ𤷤Ƥޤᤤ衢
  餬˥꡼СޤŬڤʤȤذܤĤǤ㤨
  AX25 ϡޥ奢̵òƤΤ HAM-HOWTO
  <http://sunsite.unc.edu/mdw/HOWTO/HAM-HOWTO.html>˰ܤޤ

  13.1.  snmp 

  cmu-snmp Υ Erik Schoenfelder <schoenfr@ibr.cs.tu-bs.de> 
  ܿ snmp ȤƥǤ

  ɤ ftp.ibr.cs.tu-bs.de 

        /pub/local/cmu-snmp2.1.2l3-src.tar.gz

  Ǥ

  ܺ٤° cmu-snmp2.1.213.README ˽񤤤ƤΤǡҤɤߤ
  

  This package provides a nearly complete MIB-II variable set. and parts
  of the host MIB. Setting of system group variables is provided. The
  private community string is settable in the config file.

  (Υѥå MIB-II ѿܴۤ˥ݡȤۥ MIB 
  бƤޤƥ॰롼פѿȤޤprivate
  community string եǻǤޤ)

  nstat.tar.gz ˤ nstat Ȥ /proc/net/snmp νϤե
  ޥåäƤޤ

  ΥȤȤˤ Linux v1.1.60 ʾ塢libc v4.6.27 ʾ夬ɬ
  Ǥ

  13.2.  Token Ring ѥɥ饤

  Peter De Schrijver <stud11@cc4.kuleuven.ac.be>  Token Ring ѤΥɥ
  ФȯǤǿǤ Linux 1.3.* θ꡼ޤ
  СΥͥѤˤ

  linux3.cc.kuleuven.ac.be

        /pub/Linux/TokenRing/TokenRing.patch-1.2.0.gz

  ftp.cs.kuleuven.ac.be

        /pub/unix/linux/TokenRing.patch-1.1.64.gz

  ʤɤޤ

  ĤΥСѤΥե뤬äƤޤΤǡȤΥͥ
  С˹äΤǤ

  Token Ring б network ѤΥץ
  linux3.cc.kuleven.ac.beƱǥ쥯ȥˤΤǤ˺ʤ

  IBM  TROPIC åץåȤȤäƤܡɤϤۤưʲΥܡɤ
  ưǧƤޤ

  o  IBM Token Ring Adapter II

  o  IBM Token Ring 16/4 Adapter

  o  IBM Token Ring Adapter/A

  o  IBM Token Ring 16/4 Adapter/A

  o  HyperRing Classic 16/4

  TI ΥåץåȤХޥ DMA ȤäƤܡɤϸߤΥɥ饤Ф
  ϻѤǤޤ󡣤IBM ΥХޥפΥץѤΥɥ饤
  ȯƤͤ⤤ޤ

  13.3.  V.35 󥿥եܡ

  V.35  C.C.I.T.T. ʤΥ󥿥եǡ®Х󥹥ꥢ륤
  եѤơ 2Mbps ǥǡǽǤ
  differential pair balanced žȤ V.35 󥿥ե
  V.24/RS232C פΥ󥿥եĹ֥뤬Ȥž®٤
  ®Ǥ

  13.3.1.  Internet Technologies International XNET-1

  Matti Aarnio <mea@mea.utu.fi>  Internet Technologies International
  (ITI) ɽǤITI  XNET-1 ȸƤФ 8bit X.21 ɤȯ
  ƤꡢΥɤŬڤʥ֥Ȥ V.35ȤѤǤޤ
  ɼȤˤĤƤξϡ

        Internet Technologies International OY,
        Helsinki, Finland  <intec@digiw.fi>
        Internet Technologies International OY (Ltd)
        PO BOX 51
        00641 Helsinki
        FINLAND
        Fax: +356-0-7523939

  ޤ䤤碌Ƥ

  ΥѤΥɥ饤Ф ftp.funet.fi
  <ftp://ftp.funet.fi/pub/Linux/kernel/xnet-sync-driver.tar.gz>.
  Ǥޤ

  13.3.2.  SDL Communications N2 card.

  SDL Communications <http://www.ici.net/cust_pages/sdl/sdl.html>
  ϡISA ХѤ V.35 򥵥ݡȤޤޤʥȥ饫ɤȯ
  Ƥޤ

  ΥѤΥ١ǤΥɥ饤Фϡ

  ftp.sdlcomm.com

        /business/sdlcomm/n2/linux

  Ǥޤܤ SDL Υ륹ô Rubin Dhillon
  <mailto:sales@sdlcomm.com>ϢƤߤƤ

  13.4.  SLIP/PPP ѤưŪȯѥѥå

  Eric Schernk <schenk@cs.toronto.edu>  SLIP  PPP Ѳǽ
  ưŪȯѤΥץȯޤΥץ pty ͳ
  ³褦˥ǡꤷ SLIP ǥХɬפǤ SLIP ³
  ƤʤۥȰƤǤϤʤƤΥǡϤΥǥХ
  졢ǥХĥäƤǡ󤬳Υǡ򸡽Ф
  С³ѤΥץȤưƥͥåȥ³ϩꤷ
  ƥǡޤ

  ΥեȥϰʲΥȤǤޤ

  sunsite.unc.edu

        /pub/Linux/system/Network/serial/diald-0.7.tar.gz

  աΥǡȤˤpty ͳ³褦ꤷ SLIP ǥ
  ɬפʤΤǡPPP ȤʤǤ SLIP ɥ饤ФȤߤ
  ͥɬפޤ

  󥹥ȡˡˤĤƤϥեȥ°ʸ򤴤󤯤
  

  13.5.  ISDN ݡ

  Ĥ ISDN 򥵥ݡȤ褦ȤߤʹǤ䤬ΤäƤ
  Τϡ

  13.5.1.  3Com-Sonix PC/Arpeggio ɥ饤

  Alan Cox  3Com  arpeggio ISDN ѤΥɥ饤Ф񤭤Ϥޤ
  ǤƱ PPP ǤȤޤ󡣤Υɥ饤Ф

  sunsite.unc.edu

        /pub/Linux/kernel/patches/network/sonix.tgz

  ˤޤ

  13.5.2.  DIEHL SCOM card

  sunsite.unc.edu

        /pub/Linux/kernel/patches/network/isdndrv-0.1.1.tar.gz

  13.5.3.  ICN ISDN and/or Teles ISDN card and/or Creatix AVM ISDN board

  Fritz Elfert, Jan den Ouden   Thinking Objects Ҥ ICN ISDN 
  ѤΥɥ饤ФȯƤޤΥɥ饤ФʸΤĤϥɥĸ
  Υɥ饤Фˤϰۤʤ ISDN ɤ򥵥ݡȤ뤿ˤĤ
  郎ȯƤ褦ʤΤǡޤʤä硢¾ΤΤ
  ߤΤ⤤Ǥ礦Υɥ饤ФϰʲΥȤǤޤ

  ftp.franken.de

        /pub/isdn4linux/

  뤤: ftp.gwdg.de

        /pub/linux/misc/isdn4linux/

  13.5.4.  Euro-ISDN card ?

  Matthias Urlichs <urlichs@smurf.noris.de> Streams ˴Ť¸Ū
  ISDN ΥݡȤ򳫻ϤޤǿǤ kernel 1.3.* ѤǡưƤ
  ȤʹȤޤ

  Υɥ饤Фϡ

  ftp.uni-stuttgart.de

        /pub/systems/linux/isdn/ftp.noris.de/

  Ǥޤ

  Υɥ饤Фϥɥĸǽ񤫤Ƥꡢץ衼åѤ
  ISDN ͥåȥˤƤޤMatthias ϲαѸǤ
  

  13.5.5.  Combinet's Everyware 1000 ISDN card

  Joel Katz <stimpson@panix.com>  Combinet Ҥ Everyware 1000 ꡼
   plug-in ISDN ѤΥɥ饤ФȯƤޤ

  Υɥ饤Фϡ

  sunsite.unc.edu

        /pub/Linux/kernel/patches/network/combinet1000isdn-1.02.tar.gz

  Ǥޤ

  13.5.6.¾ξ

  Harald Milz  Linux Ѥ ISDN ˤĤƤ WWW ڡƤޤ
  Linux ISDN Web Page <http://www.ix.de/ix/linux/linux-isdn.html>.  ISDN
  ̤ˤĤƤϡ Dan Kegel  ISDN ۡڡ Dan Kegel's ISDN home
  page <http://alumni.caltech.edu/~dank/isdn/>.ˤĤǤ礦

  13.6.  System-V Streams

  LiS(Linux Streams) ȤץȤ System-V ߴ Streams 
  Linux ˼褦ȤƤޤ˴ؤLinux Streams Web
  Page <http://www.uc3m.es/~LiS/> ǸƤޤˤϥץ
  ȤοʹԾϢˡƥѤΥɤʤɤޤ

  13.7.  ATM (Asynchronous Transfer Mode)

  Werner Almesberger  Linux Ѥ ATM ˴ؤ򽸤᤿ۡڡ
  Ƥޤlrcwww.epfl.ch <http://lrcwww.epfl.ch/linux-atm/>
  Υڡˤ raw ATM connection  ATM  IP ܵǽ¸
   pre-alpha ʳμ¸ŪʥɤϿƤޤޤATM ˤĤ
  Ƥͭפʾ¿ϿƤޤ

  Linux Ǥ ATM ˤĤƵ뤿Υ᡼󥰥ꥹȤѰդƤ
  äͤ majordomo@vger.rutgers.edu Ƥˡʸ subscribe
  linux-atm Ƚ񤤤᡼äƤ

  13.8.  X.25 ݡ

  X.25 ˤĤƿҤͤͤ󤤤ޤX.25 ˤĤƤϤĤξ
  פǳȯϤޤäƤ褦ǤȯΥԡɤϤޤ®ʤ褦
  ǤX.25 ΥݡȤ˶̣ʤ顢Υ롼פ˻äƳȯ
  ®٤®褦ϤΤǤ礦䤬äƤ Alan
  Cox ƤۡڡΤơˤϳȯʹ
  2 ĤΥץȤˤĤƤΥۡڡҲ𤵤ƤޤҲ𤵤
  ڡwww.ping.be <http://www.ping.be/~ping0778/linux-x.25/>
  

  13.9.  Appletalk Υݡ

  åץҤΥޥ(Macintosh)ͥåȥ¸ߤȥץ
  եͭlinux ΥåץȡݡȤν֤ˤʤ
  ޤ

  ʲξϼ Cees de Groot <cg@tricbbs.fn.sub.org>  Dana Baken
  <dana@millenium.tiac.net>ηиˤΤǤ

  13.9.1.  Appletalk DDP Ȥߤͥι

  Alan Cox  Apple Ethertalk εǽ򥫡ͥ˼ޤεǽ
  1.2.* κǿǤ 1.3.* Υ꡼ǤϥͥɸǴޤޤ褦
  ʤäΤǡͥˤεǽȤ褦ꤷƥͥ
  򥳥ѥ뤷ľѲǽǤ

        #
        # cd /usr/src/linux
        # make config
         ...
         ...
            Appletalk DDP ? y
         ...
         ...
        #

  13.9.2.  Appletalk ѥġȥǡιˡ

  ͥ뤬ݡȤƤΤ϶ˤŪʥͥåȥǽǡ
  ̤γؤΥץȥȤˤϤĤΥեȥɬפˤʤ
  ޤ

  Wesley Craig <netatalk@umich.edu> ߥؤ Reseach Systems
  Unix Group ȤΤȿơAppletalk Υץȥ륹åͭ
  ʥ桼ƥƥ netatalk Ȥ̾ǤޤȤƤޤ

  netatalk ϰʲΥȤǤޤ

  University of Michigan
  <ftp://terminator.rs.itd.umich.edu/unix/netatalk/>

  netatalk  1.3.3.b2 ʹߤΥС Linux ݡȤƤޤ

  󥹥ȡ뤹ˤϡʲΤ褦ˤޤ

        # cd /usr/src
        # tar xvfz .../netatalk
        - λ Makefile ơΥѥå˴ޤޤץब
          󥹥ȡ뤵ǥ쥯ȥꡢDESTDIR Τޤ
          󡣤ǥեȤǻꤵƤ /usr/local/atalk ȤΤ
          򵯤ˤˤʤäƤޤ
        - ʾǥѥ뤹뤳ȤǽǤδĶǤ `uname' ޥɤ
          /bin ǥ쥯ȥˤ̵äΤǡMakefile ΤʬΤߤޤ
          
        # make
        - 롼Ȥˤʤäơ
        # make install

  ɬפʥޥϥѥ/󥹥ȡ뤵줿ϤǤ

  [ libc ΥСˤäƤ /usr/include/sys/uio.h 
  /usr/include/sys/linux/uio.h ˥ܥå󥯤ɬפä
  ꡢnetatalk  dirent ѤΥѥåɬפäꤷޤܺ٤ netatalk
  ° README.linux Ȥե]

  13.9.3.  AppleTalk ѥեȥ

  ޤǽ /etc/services ե services.atalkƤɲä
  AppleTalk ѤΥӥѲǽˤޤñ services.atalk 
  /etc/services ɲäǤ
   /usr/local/etc/atalk ǥ쥯ȥ(뤤Ϥʤѹǥ
  ȥ) appletalk Ѥեޤ

  ޤ٤ե /usr/local/atalk/etc/Atalkd.conf ե
  ǽϡΥեˤ AppleTalk ³Ƥͥåȥ
  ǥХ̾ꤹ뼡ΰԤΤߤɬפǤ( eth0 ξ¿ʬ̵
  Ƥưޤ)

        eth0

  AppleTalk ǤϡɬפʾŪ˥ͥåȥήƤ
  Τǡatalkd ưˤ¾ξܺ٤ʾưŪ˼ơɲä
  ޤ

  13.9.4.  Appletalk ͳ Linux ΥեѤ

  Mac 餢ʤ Linux ޥΥե륷ƥͭǤ褦
  뤳ȤǽǤ

  Τˤϡ/usr/local/atalk/etc/AppleVolumes.system ե
  ɬפޤ

  ξܺ٤ȻǽʥץˤĤƤ afpd Υޥ˥奢ڡ
  򻲾ȤƤ

  㤨СʲΤ褦ʷˤʤޤ

        /tmp Scratch
        /home/ftp/pub Public

  ǡ/tmp ե륷ƥ AppleShare  'Scratch'ܥ塼
  Ȥơ/home/ftp/pub ǥ쥯ȥ AppleShare  `Public' ܥ塼
  ȤƻѲǽǤܥ塼̾λɬܤǤϤʤꤷʤä
  硢daemon ץबưŪդƤޤǤꤷȤǳ
  ˤʤ뤳ȤϤޤ

  13.9.5.  Appletalk ͳ Linux ³줿ץ󥿤Ѥ

  Linux ޥ³Ƥץ󥿤 Mac 鶦ͭ뤳Ȥñ
  Τˤ Appletalk Printer Access Protocol Daemon, papdץ
  ѤޤΥץϡư줿塢Mac Υץȥ
  ȤĤơʤΥޥΥץ󥿥ǡϤƥץ
  ޤ

  Τˤ /usr/local/atalk/etc/papd.conf ꤷޤΥե
  η /etc/printcap ƱǤꤷץ̾ Appletalk ̿
  ̾ץȥ NBP ȤäϿޤ

  /usr/local/atalk/etc/papd.conf 㤨аʲΤ褦ꤷޤ

        TricWriter:\
           :pr=lp:op=cg:

  Ǥϡ`TricWriter' Ȥץ󥿤 Appletalk Υͥåȥ
  ѲǽǡĤץȤ linux  `lp' ץ󥿤 lpd ͳ
  Ϥޤ

  13.9.6.  appletalk եȥεư

  ǤϴŪƤߤޤ礦netatalk Υѥåˤ rc
  ե뤬ѰդƤꡢưɬפʥץϼ¹Ԥ
  Ǥ顢

        # /usr/local/atalk/etc/rc.atalk

  ȤǡɬפʥץƵưϤǤ顼å
  Ϥ줺ưγʳȤΥå󥽡˽ϤƤ
  פǤ

  [ atalkd ǡϵư AppleTalk ήɤߤ
  ꤹ뤿ᡢưˤ¿λ֤ޤpapd  atalkd
  ꤷƤ鵯ư٤ʤΤǡ֤뤫Ȥä atalkdХ
  饦ɤˤƤϤޤ]

  13.9.7.ưƤ뤫Υƥ

  netatalk ưƤ뤫ɤϡͥåȥ³줿
  Macintosh ǧޤMac ֥˥塼פ ֥쥯
  (Chooser) Ф֥ե붦ͭ(AppleShare) 򥯥åơLinux
  ޥ̾פǤ

  13.9.8.Ĥջ

  o  Appletalk 򥵥ݡȤץ IP ͥåȥ˵
     ưɬפ뤫Τޤ󡣲 Appletalk ˤĤ꤬
     ꡢư IP ͥåȥ꤬褦ʾϡAppletalk
     ѤΥեȥ /etc/rc.d/rc.inet1 ˵ưƤߤƤ

  o  afpd(Apple Filing Protocol Daemon)ϥϡɥǥ˻¿ʥե
     ޤꤷޥȥݥȤΥǥ쥯ȥ
     .AppleDesktop  Network Trash Folder Ȥǥ쥯ȥꡢ
     β˺줿ǥ쥯ȥꤽ줾.AppleDouble Ȥ꥽
     եѤΥǥ쥯ȥޤǤ顢/  export 
     ϽʬθƤʤȡΤ¿ʻ֤
     äƤޤޤ

  o  afpd ץ Mac ʿʸΥѥɤޤϥ
     ƥ̤鸫ǡΥǡ򥤥󥿡ͥåȤ³줿
     ޥǵưäդƤʤï
     餹뤫Τޤ

  o  netstat  ifconfig Ȥä¸οѥġ Appletalk 򥵥ݡ
     ȤƤޤɬפʤС /proc/net/ǥ쥯ȥ˽񤭤
     ޤƤޤ

  13.10.  IP_MASQUERADE -ʣΥۥȤĤ˸

  ⤷漫˥ͥåȥĥäƤꡢʣΥޥ SLIP/plip/ppp
  ߤ³Ƥ褦ʴĶäƤꡢץ饤١Ȥʥͥåȥ
  륢å׷ͳǥ󥿡ͥåȤ³Ƥ褦ʾ硢ľ
  󥿡ͥåȤ³Ƥޥʳ⥤󥿡ͥåȤ˽ФȻ
  ȤǤ礦Τ褦ʾ硢ˤϡʥͥåȥ
  ˥ͥåȥѤ IP ɥ쥹ꤢƤƤ餤³Υ󥿡ͥ
  ȥץХȸĤơ̾ñۥѤΥ롼ƥ󥰤ͥåȥ
  ѤΥ롼ƥ󥰤ѹƤ餦ɬפޤǰʤȤˡ
  򤹤Ȥ¿Υǡή뤳ȤˤʤΤǡۤȤɤΥץ
  Хʤۤɲ׵ᤷƤޤ

  IP_MASQUERADING ϤΤ˹ͤ줿ˡǡΥͥåȥ
  ΥޥƤȯǡΥɥ쥹ꥢ륿ǽ񤭤
  ơͥåȥ³줿Υƥ֤ʥޥ˸뤳
  ǤޤIP_MASQUERADE Υɤؤɤ Pauline Middelink
  <middelin@polyware.iaf.nl> Ǥ

  ʲ˾Ҳ𤹤ˡ Ken Eaves <keves@evs.com> Ƥ줿Τ
  ΩƤСKen ˴դƤ

  [ IP_MASQUERADE ϺǿΥͥǤ¿ѹƤꡢipfw
  ǤϤʤ ipfwadm ꤹ褦ˤʤޤipfwadm Ǥϰ ipfw
  ȤϰۤʤΤǡʲεҤ obsolete ˤʤäƤޤǿΥͥ
  IP_Masquerade Ȥ硢X/OS Υۡ ڡ
  <http://www.xos.nl/linux/ipfwadm/> 򻲾Ȥ]

  13.10.1.  `masq' software ˡ

  IP_Masquerade ˤϡߡlinux 1.2.* ؤΥѥåȲ¤줿 ipfw
  ɤɬפǤnet-tools ° ipfw ޥɤˤϡޤ
  `masquerade' ץȤߤޤƤޤip_masquerade Ȥ
  ϡͥ ip_firewalling ץȤ߹ǹۤƤɬפ
  ޤ

  ѥåեϰʲΥȤǤޤ

  ftp.eves.com

        /pub/masq

  Υǥ쥯ȥ 1.2.x ؤΥѥåեȿ ipfw ޥɡ
   Ken ޤȤ᤿ Masquerade FAQ Υե뤬ޤʸϤ
   FAQ 򸵤ˤƤΤǤ

  ѥåե masq-patch.1.2.n Ȥ̾ˤʤäƤޤ ipfw 
  ipfw-for-1.3.10 Ȥե뤬ꡢԤ version 1.2.* ѡԤ
  1.3.10 ѤˤʤäƤޤ

  13.10.2.ѥåΥ󥹥ȡˡ

  ʬ 1.2.* Υɤ /usr/src/linux ǥ쥯ȥˤ
  ꤷޤ

        #
        # cd /usr/src
        # patch -p0 <.../masq-patch.1.2.n 2>patch.errs
        - patch.errs եĴ٤ơ`fail' Ƥʬ̵Ȥǧޤ
          ̵ХѥåϤޤäƤޤ⤷ `fail' Ƥ褦ʤ顢
          ְäƤϤǤͥΥΥС󤬤äƤ뤫
          ٳǧƤ
        # cd /usr/src/linux
        # make config
        - ʲμ `y' 뤳ȡ
          ...
          IP: forwarding/gatewaying (CONFIG_IP_FORWARD) [y]
          IP: firewalling (CONFIG_IP_FIREWALL) [y]
          IP: masquerading (ALPHA) [y]
          ...
        - ¾ΥץϽ̤ˤƤ
        # make dep
        # make clean
        - ȤϤĤΤ褦 make ޤlilo ȤäƤʤ顧
        # make zlilo
        #

  ͥǥƥƵưޤѥ뤷ͥ
  ưƤ뤳Ȥǧ顢ư ipfw ץ
  礦ipfw ̾ /sbin ˥󥹥ȡ뤵ΤǡС
  ipfw ޥɤ /sbin/ipfw ˥ԡޤʾǡͥ
  IP_masquerade ȤǤޤ

  13.10.3.  IP_MASQUERADE ˡϡ

  IP_MASQUERADE ˡϻȤäƤͥåȥι˰¸ޤ
  Ū˸ޤȡ󥿡ͥåȤ³ͥåȥΥޥ
  ƥǥեȤηϩ IP_MASQUERADE 򥵥ݡȤƤ linux ޥ
  ˻ꤷޤˡ linux ޥ firewall ơ֥ˡ
  Υʥޥ masquerade 褦ꤷޤ

  IP-MASQUERADE ǽꤹˤ ipfw ޥɤɬפǤ ipfw ޥ
  ɤϡ̾Linux Υե뵡ǽꤹ뤿˻Ȥޥɤ
  masqeurade ۥȤϰΥեȤƵǽ
  ǡipfw ¤ơmasquerade ˴ؤ뵡ǽɲäƤޤ

  ۤȤɤξ򥫥С褦 2 Ĥ򼨤Ƥޤ礦ä
  ʣ򤹤ɬפʤ顢ʬȤǷиѤǤ

  2 ĤΥޥ SLIP  ppp ǤĤʤäƤ硧

         .-------.             .-------.
         |       |    SLIP     | linux |   SLIP/ppp
         | local |-----//------| masq  |-----//-------> ISP 
         |       |             | svr   |
         ._______.             ._______.

                 ^            ^         ^
                 |            |         |
            192.168.0.2   192.168.0.1  ưŪ˳ꤢƤ

  /etc/rc.d/rc.inet1 ե˰ʲΤ褦ʵҤɲäޤ

         ...
         ...
        # Allow machine 192.168.0.2 to be masqueraded to everybody
        ipfw a m all from 192.168.0.2/32 to 0.0.0.0/0
         ...
         ...

  iii.iii.iii.iii/nn ȤդƤ /nn ΰ̣ȷ׻
  ˡΤˤʤꤿ⤷ޤ͡νϡip ɥ쥹
  ͥåȥޥ碌ɽΤǡ iii.iii.iii.iii Ƭ /nn
  ǻꤷӥåȿޥå롢Ȥ̣ˤʤޤǤϰ
  ΥۥȤоݤʤΤǡƤΥӥåȤޥåɬפޤIP 
  ɥ쥹 32 ӥåȤʤΤǡ /32 ƤΥӥåȤ̣ޤ

  ͥåȤǹ줿ץ饤١ȤʥͥåȥΥޥ󤬥󥿡
  ͥåȤ³줿ΥޥѤ硣

         .-------.    _
         |       | .2 |
         | local |----|
         |       |    | <-- Ethernet lan
         ._______.    |     192.168.0.0 netmask 255.255.255.0
                      |
                      |
         .-------.    |        .-------.
         |       | .3 |     .1 | linux |   SLIP/ppp
         | local |----|--------| masq  |-----//-------> ISP 
         |       |    |        | svr   |
         ._______.    -        ._______.

                                        ^
                                        |
                                       ưŪ˳Ƥ

  ξ硢ͥåȥΤ̣륨ȥꤹɬפ
  ޤǤ顢rc.inet1 ϤˤʤǤ礦

         ...
         ...
        # Allow all machines on network 192.168.0.0 to be masqueraded to everybody
        ipfw a m all from 192.168.0.2/24 to 0.0.0.0/0
         ...
         ...

  ֤ޤͥåȥޥ(255.255.255.0) ipfw λλδط
  դƤclass C Υͥåȥ(255.255.255.0)Ǥϥͥåȥ
   24 ӥåȤǤ

  褯ȤͥåȥޥȤ줬ޥåӥåȿɽˤƤߤޤ

        netmask             ipfw
        ---------------     ----
        255.0.0.0           /8
        255.255.0.0.0       /16
        255.255.255.0       /24
        255.255.255.128     /25
        255.255.255.192     /26
        255.255.255.224     /27
        255.255.255.240     /28
        255.255.255.248     /29
        255.255.255.255     /32

  13.10.4.  IP_MASQUERADE ˤĤƵƤ

  masq@eves.com  IP_MASQUERADE ˤĤƤΥ᡼󥰥ꥹȤߤ
  ޤߤߤƤ褦Ǥ

  13.11.  IP ALIAS ĤΥ󥿡եʣΥɥ쥹ꤹˡ

  WWW СưƤʣβۥСȤ硢뤤Ʊ
  ξʣΥ֥ͥåȤڤäƤ褦ʥͥåȥȤäƤ
  硢ĤΥ󥿡եʣΥɥ쥹б뵡ǽ
  Ǥ

  εǽ ipalias ȸƤФ졢ĤΥ󥿡եʣΥɥ쥹
  ꤹ뤳Ȥǽˤޤ

  Robert Sanders <rsanders@mindspring.com>εǽȯ 1.2.* 
  ͥؤΥѥåȤۤƤޤޤJuan Jose Ciarlante
  <jjciarla@raiz.uncu.edu.ar>  1.3.50++ Ѥ С
  ȯۤƤޤ

  13.11.1.  1.2.* ͥѤΥѥåե

  ѥåϰʲΥȤǤޤ

  ftp.procyon.com

        /pub/linux/ipalias

  󥹥ȡ뤹ˤ 1.2.1 ΥͥΥɤɬפǡ

        # cd /usr/src/linux
        # patch -p1 .../alias-patch-1.2.1-v1
        # make config
        # make dep; make clean; make zlilo

  Ȥޤ

  ipalias Ȥˤ ifconfig  netstat ޥɤ⤽εǽб
  ɬפǡ alias-net-tools.tar.gz Ȥ󶡤Ƥ
  

  13.11.1.1.  1.2.* Ѥ

  ip alias ꤹˤϡεǽбƤ ifconfigȤäưʲ
  褦˼¹Ԥޤ

        # ifconfig eth0 alias 198.71.200.5

  ǤϡǤ eth0 ͥåȥѤꤷƤȤ
  198.71.200.5 Υɥ쥹ɲä褦ˤʤäƤޤ

  13.11.2.  1.3.50++ ͥѤ

  1.3.50++ ǤϥѥåפǤͥƹۤݤ make config 
  Network aliasing (CONFIG_NET_ALIAS) [N/y/?]Ȥ yes 
  Ǥ

  13.11.2.1.  1.3.50++ ͥǤ IP_ALIAS 

   ip_alias ǤϡŬڤˡǿͥåȥ󥿥ե
  äƤޤͥˤεǽ뤫åˤ
  /proc/net/alias* 򸫤ƤͥʤС aliases 
  alias_types Ȥ 2 ĤΥե뤬 /proc/net ǥ쥯ȥˤϤ
  

  ꥢꤹˤϡƤʤ ifconfig ץȤä
  äȤȥå򤹤뤳ȤˤʤޤꤵݡȤϼº
  ʪŪʥݡ̾˳ĥҤդ̾ޤ

        # ifconfig eth0:0 192.168.1.1
        # route add -host 192.168.1.1 dev eth0:0

  ꥢ '0' ϤޤäƤ뤳ȤդƤǤ
  eth0:1  ʪŪ eth0 ǥХ 2 ĤΥꥢˤʤޤ

  ꥢˤ ifconfig Ȥäơ

        # ifconfig eth0:0- 0

  Ȥޤ

  ȥ褦ޤ

  14.ѥġ - ɤĴ٤ˤϡ

  ΥǤϰ̤˻ȤƤͥåȥξֿѤΥץ
  ñ˾Ҳ𤷤ǡȤäƥͥåȥȯ
  ˡˤĤޤΤˤ⤦ܤ tcp/ip λȤߤˤĤ
  Ƥ⤷ޤʸǤϤ줾ΥץƯξܺ٤ˤĤ
  뵡񤬤ʤäΤǡǴñˤ줾ΥץˤĤ
  ƤĤǤޤǤ˽Ҥ٤ƤˤĤƤϡܤΤ뤿
  ˻Ȥ٤ʸޥ˥奢ڡҲ𤷤ƤΤǡ
  

  14.1.  ping - ˤ뤫

  ping ץ NetKit-B Υǥȥӥ塼˴ޤޤƤޤ
  Υǥȥӥ塼ˤĤƤϡ֥ͥåȥѥץꥱ
  ΥǾܤƤޤping ޥɤϡ̾褦
  (ping ȤϡϤŨϤȯ뤿Ǥĥʡ̣
  )åȤȤʤۥȤǡȤꡢƤ
  뤫ޤ̲ᤷƤ椯ͥåȥƯƤ뤫ɤå
  ΤǤִñʻˡϡ

        # ping gw
        PING gw.vk2ktj.ampr.org (44.136.8.97): 56 data bytes
        64 bytes from 44.136.8.97: icmp_seq=0 ttl=254 time=35.9 ms
        64 bytes from 44.136.8.97: icmp_seq=1 ttl=254 time=22.1 ms
        64 bytes from 44.136.8.97: icmp_seq=2 ttl=254 time=26.0 ms
        ^C

        --- gw.vk2ktj.ampr.org ping statistics ---
        3 packets transmitted, 3 packets received, 0% packet loss
        round-trip min/avg/max = 22.1/28.0/35.9 ms
        #

  ȤǤ

  ping ưϡͿ줿ۥ̾ IP ɥ쥹Ѵ icmp ץ
  ѤơåȤȤʤۥȤ icmp echo request Ū
  뤳ȤǤicmp echo request ٤˥⡼ȥۥȤ icmp
  echo reply ǡƤޤ`64 bytes from ...' γƹԤ
  echo request б(echo reply)򼨤ޤƹԤ򤷤Ƥ
  ۥȤ IP ɥ쥹ֹ桢ttl(time to live) եɡ
  ä֡γƹܤäƤޤä(round trip time)
  echo request ΥǡबƤ echo replyäƤޤǤ
  ä֤Ǥο 2 ĤΥޥĤʤǤͥåȥ
  ®٤򼨤ܰ¤ˤʤޤ

  Ǹɽ 2 Ԥϡž줿ǡͭ
  ʤ줿ǡˤĤƤפǤʤ줿ǡ¿
  硢Υޥ³ƤͥåȥΤɤǡ롼
  󥯤̤줿ȤͥåȤ¿ΥꥸȯƤ
  ä꤬Ƥǽޤۤʤͥåȥˤޥ
  Ф ping Ƥߤ뤳Ȥǡ꤬ȯƤսꤹ뤳Ȥ
  ǽǤޤǤϥѥåȤϤƤΤˡۤ
   Ϥʤʤ褦ʤ褦ʾ硢Ϥδ֤˵Ƥޤ

  14.2.  traceroute - ɤäƤعԤ

  traceroute ޥɤϴҤ NetKit-A äƤޤΥޥɤϡ
  ŪˤϡŪΥۥȤޤǤɤΤ褦ʷϩ̤ä³뤫򼨤
  Ǥtraceroute  icmp ץȥȤޤ̲ᤷƤ椯ϩ
  ¿ιפ򤷤ƤޤιפȤϡžǡ
  ttl եɤ뤳ȤǤ ttl եɤȤϡ»Ҥˤʤä
  ब롼׾֤˴٤ʤ褦ˤ뤿Ȥߤǡǡ
  롼ͳ٤ ttl եɤοĸ餷줬 0 
  ʤäǡΥǡ롼ۥȤǡμ
  ̿ԤȤå(icmp time to live expired message)ȯ
  ΥۥȤޤtraceroute ϤΥᥫ˥Ȥäơttlե
  ǽ 1 ꤷ1 ƥå׷в᤹뤴Ȥ ttlեɤĤ
  䤷 udp ǡƤޤǡμ̿Ԥ
  ȤåäƤɥ쥹ϿƤȤǡŪϤޤǤ
  ϩꤹ뤳ȤǤޤ㤨ФѤޤ

        # traceroute minnie.vk1xwt.ampr.org
        traceroute to minnie.vk1xwt (44.136.7.129), 30 hops max, 40 byte packets
         1  gw (44.136.8.97)  51.618 ms  30.431 ms  34.396 ms
         2  gw.uts (44.136.8.68) 2017.322 ms  2060.121 ms 1997.793 ms
         3  minnie.vk1xwt (44.136.7.129) 2205.335 ms  2319.728 ms  2279.643 ms
        #

  ǽοϲۥåΥƤ뤫(ttl )򼨤2 ĤϤ
  ֤ƤۥȤΥۥ̾ȥɥ쥹(ۥ̾狼ʤϥ
  쥹Τ)򼨤ޤ 3 4 5 ϡΥۥȤä 3 
  ΥǡबޤǤˤä֤ǤǤϡޤ
  gw.vk2ktj ³ޤǤαפ֤ 3 ɽƤޤ
  ΥۥȤgw.uts.apmr.org ǡminnie.vk2xwt.ampr.org Ϥ⤦
  줾Υƥåפפ֤顢ͥåȥξ֤򤢤ٿ
  ¬뤳ȤǽǤǤϡ gw ޥޤǤλ֤ϤûΤ
  gw ޥȤϥͥåȤ³Ƥȹͤ뤳ȤǤޤ
  gw.uts ˤ gw ٤Ƥʤ֤äƤꡢ®̵ͳ
  Ƥȹͤޤminnie.vk1xwt  gw.uts ۤξ
  ֤äƤʤΤǡminnie.vk1xwt  gw.uts Ϲ®ʲǷ
  ФƤȿ¬Ǥޤ

  traceroute Ƥߤơв֤θ !N Ȥ椬դ硢֥ͥ
  ȥŪǽ(network unreachable)פǤ뤳Ȥ򼨤Ƥޤ
  Υåϡ֤ƤۥȤ롼ŪΥɥ쥹ؤη
  ϩ򸫤ĤʤޤΥåФ硢ͥåȥ
  Τɤ󤷤ƤΤǤ礦Ǹ˼륢ɥ쥹󥯤
  ƤľʬǤ

  Ʊͤ !H Ȥ椬ФƤ硢֥ۥȤǽ (host
  unreachable)׾֤򼨤ޤξ硢ͥåȥŪˤŪΥۥ
  ޤãƤΤΡ餫Υȥ֥ǤΥۥȤǤʤʤ
  Ƥ֤Ǥ

  14.3.  tcpdump - ͥåȥγưĴ

  Adam Caldwell <acaldwel@103mort2.cs.ohiou.edu>  linux  tcpdump 
  ܿޤtcpdump ȤСʤΥޥͳƽꤹǡ
  ƻ뤹뤳ȤǤޤ tcpdump ϡͥåȥ
  ǤΤˤѤǤޤ

  tcpdump ΥȥХʥ103mor2.cs.ohiou.edu
  <ftp://ftp.funet.fi/pub/OS/Linux/PEOPLE/Linus/net-
  source/tools/tcpdump-3.0.3.tar.gz> Ǥޤ

  tcpdump ϤΥޥͳƤǡ˵ơ¿Źᤤ
  ΥƥȥեޥåȤɽޤtcpdump ϡץȥ륨顼
  ǤȤäʬϤΤΩͥåȥ˲
  ƤΤľܸ뤳Ȥǽˤޤ tcpdump 򤭤ȳѤ
  ϳƼΥץȥ䤽ƯˤĤƤμɬפǤäˤ
  μʤƤ͡Ӥ˻ȤȤǤޤ㤨С롼ƥ󥰤˴
  ꤬ƤˡǡबݡȤꤵ
  뤫ɤ뤤³褫ǡȤäƤ뤫ɤ
  ʤɤ򸫤뤳ȤǤޤ

  ñ tcpdump νǤ

        # tcpdump -i eth0
        tcpdump: listening on eth0
        13:51:36.168219 arp who-has gw.vk2ktj.ampr.org tell albert.vk2ktj.ampr.org
        13:51:36.193830 arp reply gw.vk2ktj.ampr.org is-at 2:60:8c:9c:ec:d4
        13:51:37.373561 albert.vk2ktj.ampr.org > gw.vk2ktj.ampr.org: icmp: echo request
        13:51:37.388036 gw.vk2ktj.ampr.org > albert.vk2ktj.ampr.org: icmp: echo reply
        13:51:38.383578 albert.vk2ktj.ampr.org > gw.vk2ktj.ampr.org: icmp: echo request
        13:51:38.400592 gw.vk2ktj.ampr.org > albert.vk2ktj.ampr.org: icmp: echo reply
        13:51:49.303196 albert.vk2ktj.ampr.org.1104 > gw.vk2ktj.ampr.org.telnet: S 700506986:700506986(0) win 512 <mss 1436>
        13:51:49.363933 albert.vk2ktj.ampr.org.1104 > gw.vk2ktj.ampr.org.telnet: . ack 1103372289 win 14261
        13:51:49.367328 gw.vk2ktj.ampr.org.telnet > albert.vk2ktj.ampr.org.1104: S 1103372288:1103372288(0) ack 700506987 win 2048 <mss 432>
        13:51:49.391800 albert.vk2ktj.ampr.org.1104 > gw.vk2ktj.ampr.org.telnet: . ack 134 win 14198
        13:51:49.394524 gw.vk2ktj.ampr.org.telnet > albert.vk2ktj.ampr.org.1104: P 1:134(133) ack 1 win 2048
        13:51:49.524930 albert.vk2ktj.ampr.org.1104 > gw.vk2ktj.ampr.org.telnet: P 1:28(27) ack 134 win 14335

         ..
        #

  tcpdump ʤǵư硢loopback ǥХʳΡ (־
  ֹ)ǽΥͥåȥǥХƻоݤˤޤ嵭Τ褦
  ˥˥ǥХ򥳥ޥɥ饤ΰͿ뤳ȤǽǤư
  ȡtcpdump ƤΥǡƥȤηǡ1
  ǡ 1 Ԥ˼ޤǽϥǡब줿
  ǤĤʬϤΥǡΥפˤäѤޤ嵭
  ϡǽ 2 Ԥ alvert.v2ktj  gw.vk2ktj ؤ arp request Τ褦
  Ǥ 4 Ԥ albert.vk2ktj  gw.vk2ktj ؤ 2  ping Ǥ
  Τ褦 tcpdump 줿 icmp ǡ̾Τ򼨤
  ʤ국(>)פϤɤɤإǡब줿Τ"
   > " ηǼƤޤλĤʬ albert.vk2ktj 
  gw.vk2ktj ؤ telnet ³ԤʤäƤޤ

  ۥ̾κǸˤĤƤ̾ϻȤƤ륽åֹ򼨤
  ޤ򥵡ӥ̾Ѵˤ /etc/services եϿ
  Ƥ򻲾ȤƤޤ

  tcpdump ϳƥեɤŸΤǡĤΥǡǤ
  window ͤ mss ѥ᡼򸫤뤳ȤǽǤ

  ǽʥץ tcpdump Υޥ˥奢ڡ˵ܤƤޤ

  PPP 桼ؤաߤΥС tcpdump  PPP ץȥ
  ƤޤAl Longyear  PPP ѤΥѥåäƤޤ
  tcpdump θǤˤϼꤳޤƤޤ󡣥ѥå sunsite.unc.edu 
  tcpdump Ʊǥ쥯ȥˤޤ

  14.4.  icmpinfo - icmp εϿ

  ICMP ʤInternet Control Message Protocol ϻȤäƤ IP ͥ
  ȥηˤĤƤξäƤޤICMP åۤä
  Τǡ¸ߤ˵ŤȤϤޤޤ icmpinfo 
  ۤΤ ICMP å tcpdump Τ褦ɽ뤿
  ΥץǤLaurent Demailly <dl@hplyot.obspm.fr>  bsd  ping
  ΥŰŪ˽ƺޤ

  icmpinfo  1.10 ϰʲΥȤǤޤ

  hplyot.obspm.fr

        /net/icmpinfo-1.10.tar.gz

  ѥϤñǤ

        # cd /usr/src
        # cd icmpinfo-1.10
        # gzip -dc icmpinfo-1.10.tar.gz | tar xvf -
        # make

  icmpinfo 餻ˤ root ¤ɬפˤʤޤ icmpinfo νϤ
  ư tty ľɽ syslog ͳǵϿ뤳ȤǽǤ

  ɤΤ褦ưΤƥȤˤ icmpinfo ưƤ³Υۥ
  Ȥ traceroute ƤߤΤǤ礦 traceroute ȤäƤ
  icmp åϤϤǤ

  15.  FAQ ȴñ

  ʲˤФпҤͤޤȤƤߤޤ

  15.1.Ūʼ䡧

     󥿡ͥåȤ³줿ޥˤòͳüȤƤ
        ³ǤʤǤΥޥȤäƼʬΥޥ򥤥󥿡
        ͥåȤ³Ǥޤ"ǽǤTERM ȤץĴ٤
         TERM Ȥ̾Υߥʥ³ͳƥͥåȥ
        ³ǽˤʤޤѤ륢ץꥱץ
         TERM Ѥ˽ɬפޤ褯ȤƤ륢ץꥱ
        ˤϥХʥ䥽ѰդƤޤܤ
        TERM-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/Term-HOWTO.html> 
        

     Υޥ telnet/ftp/rlogin 褦ȤƤäƤޤ
        ͡꥾ФְäƤΤǤ礦
        /etc/resolv.confפˤĤƤξϤɤƤʤȤ
        ॵСѤΥȥꤷƤɬפޤ

     󥿡ͥåȤ³ʤͥåȥĶۤΤǤ
        ȤäƤɥ쥹ϷäƤޤ" RFC1597 ץ饤١ȥͥ
        ȥѤˤĤ IP ɥ쥹ͽ󤷤ƤޤΥ
        쥹Ȥ¤ꡢΤǥ󥿡ͥåȤ³ƥǡή
        ƤޤäƤȥ֥ʤϤǤͽ󤵤Ƥ륢ɥ쥹
        

           10.0.0.0        -   10.255.255.255
           172.16.0.0      -   172.31.255.255
           192.168.0.0     -   192.168.255.255

        ʬǤ

        ͽ󤵤Ƥ륢ɥ쥹 Class-A,B,C 줾¸ߤƤΤǡ
        ͥåȥΥǥ䥵ꤹɬפϤޤ󡣥
        ͥåȤ³ʤ¤ꡢΥͥåȥǥɥ쥹դ
        ޤäƤС¾Υ롼פͥåȥȤäƤΤƱ
        ɥ쥹ȤäƤˤϤʤޤ

     Υͥåȥȥ󥿡ͥåȤòȤä³
        ΤǤǽǤ礦"ʲΤ褦 3 Υץ󤬤
        ޤ

     o  ³ΥץХˤꤤơhost route  network
        route ȤˡϹΤޤ󤬡ǽ䵻ŪˤϺ
        ˡǤ

     o  륢å³ `SOCKS' ȤäեΤ褦
        ꤹˡˡȤˤ proxy ꤬ɬפǡ󥿡
        ͥåȤ¦鸫ȥ롼ȿƤ褦˸뤱ɡº
        ˤϥΥͥåȥˤޥȿƤ褦
        ɬפޤˡˤĤƤξܺ٤ Firewall-HOWTO
        <http://sunsite.unc.edu/mdw/HOWTO/Firewall-HOWTO.html> 
        ˡȤˤϡΥͥåȥΥ
         SOCKS ǽбץѰդɬפޤ

     o  IP-Masquerade Ȥˡ줬ľŪǡΥͥåȥ
        Υޥˤ̤Υ饤ȤפʤᡢǤñˡ
        ȸǤ礦IP-Masquerade ȤȼưŪ IP ɥ쥹
        ơΥͥåȥˤޥľܥ󥿡ͥ
        Ȥò³ƤޥΤ褦˸뤳Ȥǽ
         IP-Masquerade ˤ(ICMP ̤ʤʤ)Ĥ¤
        ޤʥե륲ȥϤäȷڤ¸
        뤳ȤǽǤ

     ftp.linux.org.uk 󤷤Ƥ硢ɬפʥեϡ
        Alan Cox ΥեϰʲΥȤ˥ߥ顼Ƥޤ

        ftp.Uni-Mainz.DE

           /pub/Linux/packages/Net2Debugged

        뤤/ޤ

        ftp.infomagic.com

           /pub/mirrors/linux/sunacm

     ȤäƤ kernel/net code ΥСΤˤϡ
        ߤǤϡͥåȥɤȥͥƱСʥ
        äƤΤǡ

        uname -a cat /proc/version

        ȤƤ

     telnet 桼³ɽåѤˤϡ
        getty ͳǥ󤷤Ƥ硢/etc/issue Ƥɽ
        telnetd ˤäƤ /etc/issue.net ȤäƤ뤳Ȥ⤢
        ⤷ /etc/issue ѤƤɽåѤʤ
        /etc/issue.net ѤƤߤƤ

  15.2.顼å

     'eth0: transmit timed out' Ȥ顼ФĤŤǤɤ
        
        ̣Ǥ"ΥåФΤϡͥåȥ֥뤬
        Ƥ뤫ͥåȥɤѥ᡼ְäƤ(I/O
        ɥ쥹IRQ ʤ)ǤưΥååƥ
        ɤΥͥåȥɥ쥹ǧƤ뤫ǧƤ
        ǧƤ褦ʤ顢¾Υϡɥ IRQ  I/O
        ɥ쥹DMA ʤɤͤƤʤåƤ㤨
        ɥ֥饹ιвٻǤ¿Υͥåȥ
         IRQ  i/o ݡȤͤƤޤ

     ͥåȥȤäƤȤ`check Ethernet cable' Ȥå
        
        Фޤ"餯ͥåȥɤְ꤬äƤΤǤ
         /usr/src/linux/drivers/net/CONFIG ƥåƤߤƤ
        ⤷̵꤬¿ʬ֥Ǥ礦
        ֥बμ¤³Ƥ뤫ǧƤ

  15.3.ϩꡧ

     route ޥɤȤä`obsolete route request' Ȥå
        
        ФǤ"ͥŤС route ޥɤ
        ȤäƤ褦ʤΤǿС route ޥɤ˥åץ
        졼ɤƤǿΥץꤹˤϡ֥ͥåȥ
        ѥġפξϤ

     ͥåȥˤĤʤȤ `network unreachable' Υå
        
        ޤ"ΥåϤʤΥޥ󤫷ͳƤޥ󤫤
        pingƤޥ³褦ȤƤޥؤηϩդ
        ʤɽޤۥƤǤΥåФ
        硢ǥեȡ롼Ȥְ꤬äƤΤǤ礦ַϩ
        (routing)פιɤƤ

     Сޥ䥲ȥޥؤ ping ǤǤ
        鳰Υޥˤ³Ǥޤ"϶餯ϩ˴ؤ
        Ǥַϩ(routing)פιɤƤϩ
        ʬ̵꤬С³褦ȤƤۥȤ餢ʤΥ
        ؤηϩꤵƤ뤫ǧƤò
        ͳ³ξ硢줬Ǥ褯븶ǡ³ΥСޥ
         gated  routed ȤäϩѤΥץबȵ
        ưƤ뤫뤤 `(proxy) arp'꤬ʤƤ뤫
        ǧƤ餬ꤵƤʤȡ⡼ȥۥ
        إǡ뤳ȤϤǤΤΤʤΥޥإǡ
        뤳ȤǤޤ

  15.4.  Linux  Novell Υե륵С뤤 NFS ȤƻȤˤϡ

     긵ˤ Novell Υե륵С Linux ޥȰ˻Ȥ
        Ǥ" IPX-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/IPX-
        HOWTO.html> ɤǤ HOWTO ˤ NFS Υץब
        ̵Ƥ Novell Υե륵С Linux ޥ󤫤Ȥˡ
        Ĥƽ񤤤Ƥޤ

     NFS Υե뤬ƤޤǤ
        ĤΥ٥(Sun Ϥ)Ǥϡ UDP Υåൡǽ
        ʤ NFS ĥޥ꡼Ƥޤϥ
        ͥåȤǽ夲ˤϹ׸ޤ¾ˤȤäƤ̿Ū
        ۤȤɤΥե륵СǤ UDP åൡǽѲ
        ǽǤLinux  pl13 ʹߤǤϥǥեȤǤεǽѤƤ
        ޤСȥ饤ȤǤεǽȤʤ
        ̣ޤ󡢡

     ʤ NFS Υեƥ꡼ɥ꡼ˤʤäƤΤǤ礦
        Linux  NFS СϥǥեȤǥ꡼ɥ꡼°ˤʤ
        ܺ٤ˤĤƤ `exports'  nfsd Υޥ˥奢
        Linux ʳΥСǤ /etc/exports ɬפ
        

  15.5.  SLIP ˤĤƤμ䡧

     SLIP С IP ɥ쥹Τʤ硢ɤФǤ
        ºݤΤȤdip  SLIP С³ SLIP ǽ̤
        ˤϡС IP ɥ쥹ꤹɬפϤޤ remote
        ץꤹСdip ϼưŪ ifconfig  route ޥ
        ɤ¹ԤƤޤ⤷˥СΥɥ쥹ǡ
        Τˡ̵ʤ顢 Peter D. Junger
        <Junger@samsara.law.cwru.edu> Ƥ줿ˡΩޤ
        ˤȡdip ץȤѤ⡼ȥɥ쥹ˤ⼫ʬΥ
        ɥ쥹ꤹǤϤäȽˡǤº
        ˤ SLIP ǤȤꤹǡˤϥСΥɥ쥹
        ʤΤǡưޤ

     `dip' 롼ȸ¤Ǥưޤ
        dip Ϸϩɽ(routing table)ѤʤɤκȤΤ˥
        Ȥ setuid ƤɬפޤUri Blumenthal ˤȡ
        ʲˡǽǤ

     o  /etc/group  dip Ȥ롼פꡢ dip Ȥä³
        桼Ͽ롣

     o  ˡ롼Ȥǥ󤷤ơʲΥޥɤ¹Ԥ롣

        # chown root.dip /usr/bin/dip
        # chmod u=rx,g=x,o= /usr/bin/dip
        # chmod u+s /usr/bin/dip

     òͳ³Ƥ桼ˤĤƤ /etc/diphosts ե
     ǲǤ뤫¤뤳ȤǤޤ

     `DIP: tty: set_disc(1): Invalid argument' Ȥå
        ФΤǤ"¿ʬ SLIP 򥵥ݡȤ褦˥ͥ򥳥
        ѥ뤷ƤʤΤǤ礦/proc/net/dev Ĵ٤ sl0  sl1 
        ǥХ뤫ǧƤߤƤ뤤 dip ΥС
        󤬤Ť⤳Υ顼Фǽޤξ
         dip С󥢥åפޤ礦

     ۥȤ ping  `wrong data byte #17...' 
        顼ˤʤޤ"¿ʬǥब XON/XOFF եȤ
        褦ꤵƤ뤤ΤǤ礦SLIP Ȥˤ 8 ӥåȥ
        ǤʤФޤΤǡXON/XOFFȤäեϻȤ
        󡣤ʳǤ⡢ϡɥѤեͥ
        ƤΤǡȤ褦ꤷƤ

     ping ϤǤ뤱ɡtelnet  ftp ȤʤǤ
        ¿ʬСȤʤΥޥδ֤ǥإåΰ̵ǽȤɤ
        ǤƤʤΤǤ礦ξԤδ֤ǰ̵ǽȤ
        ٳǧƤߤƤξԤƱˤʤäƤʤФ
        ޤ

     SLIP ȤäƤ˲Ǥˡϡ
        dip Ȥä³ʤ `dip -k' ȤǤޤʤ顢
        ưƤ dip Υץ򻦤ƤdipͤС
        Ǥޤץˤϡʲμ˽ޤdip 
        ץֹ <pid> Ȥȡ `kill <pid>', `kill -hup <pid>'
        Ǥʤ `kill -9 <pid>' Ȥޤˡϡ¾ unix
        Υץ򻦤˻ȤΤǳФƤФǤ礦

     SLIP ݡȤ¿ overrun 顼ФΤǤ
        ŤСΥͥåȥѤΥեȤǤϡ̤줿ѥåȿ
         overrun ѥåȿȸǧޤμΥ顼Ͽ
        ͥȥͥåȥѤΥեȤȤäƤϵʤϤ
        ⤷Ǥ⤳Υ顼ȯ硢ޥ󤬥ǡ
        ®٤ˤĤƤʤΤǤ礦⤷ꥢ륫ɤ 16550AFN
        UART åפȤäƤʤ硢ȤäƤΤ˥åץ졼ɤ
        в褹뤫Τޤ16450  8250 åפǤϰʸ
        Ȥ٤˳ߤȯΤ CPU ˤϤʤ٤ˤʤ
        16550AFN  16 Хʬ FIFO Τ FIFO դˤʤ
        ǡԤäƤߤȯƱ
        ̤ΥǡˤȯߤοϤäȾ
        ꡢꥢݡȤ˳䤯 CPU ѥ⤺äȾʤƤߤޤʣ
        ΥꥢݡȤȤäƤ 16550AFN UART åפΥ
        ɤ˥С󥢥åפ뤳ȤɬܤǤ礦

     Ĥ SLIP 󥿡եѤǤޤ
        ϤǽǤ㤨 3 Υޥߤ³褦ʾ
        硢ΥޥĤ SLIP 󥿥եѰդ³
        礦ĤΥ󥿥եܤƱͤꤷޤ
        Υ󥿥եˤϺǽΤΤȤϰۤʤ IP ɥ쥹ɬפʤ
        դƤȻȤˤϷϩ(routing)˴ؤ
        μɬפǤưϤǤ

     ޥݡȤ I/O ɤȤäƤޤ4 İʾ SLIP ݡȤ
        
        ޤ"ͥȤߤޤ줿 SLIP ϥǥեȤǺ 4 Ĥ
        Ǥ SLIP ǥХƤޤ
        /usr/src/linux/drivers/net/slip.h ˤΤǡ⤷ 16 ޤ
         #define SL_NRUNIT  4  16 ˤޤä
        /usr/src/linux/drivers/net/Space.c ˤ sl4, sl5 ȤäǥХ
        ɲäƤɬפޤ¸ΥǥХ򥳥ԡ
        ΤñǤ礦ϥͥƥѥ뤹뤳
        ˺ʤ褦ˡ

  15.6.  PPP ˤĤƤμ

  PPP ˤĤƤμ PPP-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/PPP-
  HOWTO.html>ˤ Al Longyear ᤿ PPP ˴ؤ
  ΰѰդƤޤ

  16.å - SLIP  PPP ΥС

  ʤ Linux ޥ SLIP  PPP СˤΤϰƳñǤ
  缫ȤñǤǽϤĤ⤢Τǡ줾ʳ
  ˤɤΤ褦˱ƶäƤΤ򤷤ƤС꤬
  нñǤ礦ʲ˼Τʤ Linux ޥ SLIP 
  PPP СȤꤹ뤿μǤ

  1. ϡɥȤΩƤޤIRQ 䶦꤬ͭͤʤ褦
     ޤ礦줾ΥꥢݡȤˤĤơ̥ǥॱ֥
     ॿߥʥĤʤ minicom  seyon ʤɤ̿ץ
     Ȥä̿Ǥ뤫ǧޤʣΥꥢݡȤƱ˻
     ϥƥꥸȥפΥܡɤ 16550AFN UARTåפȤ
     ƤΤɬפǤμΥܡɤʤ饷ꥢݡȤȯ
     ߤΤ¿ϴñǤ

  2. ͥκƹۡͥåȥѤ꤬ꤵƤ뤫
     åƤSLIP  PPP äƤ桼롼
     ƥ󥰾Ϳˤ IP Forwarding ǽˤʤФޤ
     SLIP  PPPԤޤإå̤Ȥʤ CSLIP
     ꤹɬפޤòͳ³Ƥ桼
     Υޥͳƥ󥿡ͥåȥ³ʤ顢IP Forwarding 
     ꤬ɬܤǤꤷƤ뤫٥åƤ

  3. ͥ򥤥󥹥ȡ뤷ޤȵư뤫ƥȤ
     /proc/net/dev եɬפ sl*  ppp*ΥǥХ¸ߤƤ
     ǧƤ⤷餬դʤХͥ
     㤨ŤͥưƤΤǤ礦⤦ lilo 
     ¹Ԥơͥ뤬󥹥ȡ뤵Ƥ뤫ٳǧƤ
     

  4. 桼³Ƥ륷ꥢݡѤ getty ꤷޤΤ
     ˡξܺ٤ Serial-HOWTO
     <http://sunsite.unc.edu/mdw/HOWTO/Serial-HOWTO.html>
     ǥबꥢȤ DCD Ф褦ꤹ
     Ȥ˺ʤ褦ˡƤ getty ǤϡääƤ
     򸡽ФΤˤοѤƤޤ(mgetty 㳰 RING Ȥ
     åȤäƸФޤǤ mgetty Ȥϥǥब
     RING åФ褦ꤷʤФޤ󡣤ƤΥ
     ʤATQ0V1 ȤפǤ礦)

  5. getty ưƤ뤫ƥȤޤSLIP  PPP Ǻ
     ޤˡ getty ƯƤ뤫ǧ뤳ȤοǤꤷ
     ƥä򤫤login: ץץȤФơ󤹤
     ̾Υ뤬ư뤫ǧƤ⤷ʸ礱ꥴ
     Ф褦ʤեǤ礦

  6. ɤΤ褦 IP ɥ쥹Ƥ뤫ޤ⤷ꤷ IP
     ɥ쥹ƤŪСˤޤȤ IP ɥ쥹
     Ǿ¤˲ơ桼˳Ƥ륢ɥ쥹ϰۤʤäƤ⤤
     褦ʾưŪСˤޤ
  7. ɤΤ褦ʷ SLIP  PPP СѤ뤫ꤷޤSLIPξ
     硢³ˡˤ sliplogin  dip dSLIP Ȥäˡ
     sliplogin Ȥ硢sliplogin Ȥä Slip Сפ
      dip Ȥ硢dip Ȥ Slip Сפ
     dSLIP ѥåȤ硢dSLIP Ȥ Slip 
     СפPPP ξ硢pppd ȤɬפΤ
     PPP-HOWTO <http://sunsite.unc.edu/mdw/HOWTO/PPP-HOWTO.html> ɤ
     ǤɬפʥեȥκǿС򥳥ѥ뤷ɬ
     ˱ƥ󥹥ȡ뤷Ƥޤ

  8. SLIP ³Ƥ桼˳ꤢƤ IP ɥ쥹ͥåȤ
     ͥåȥΰʤ顢줾Υɥ쥹Ѥ proxy arpꤹ
     ɬפޤλϡ(Proxy) ARPפξϤ
      sliplogin ѥå° /etc/sliplogin 
     /etc/SLIPlogout եǻǤޤ⤷³Ƥ桼
     ꤢƤ륢ɥ쥹ͥåȤΥͥåȥΥɥ쥹ȰäƤ
      gated Τ褦ʷϩѤΥǡưɬפ
     gated Ȥʤ顢gatedפξϤ

  9. ʬ SLIP/PPP С³ƥȤ

  10.
     ï¾οͤ SLIP/PPP С³ƥȤƤ餦

  17.Х

  Linux ΥͥåȥѥɤϸߤʲƤޤޤХ⤢ޤ
  ߤǤϥХݡȤϤ֤󸺤äƤޤAlan Cox  Linux
  Networking News <http://iifeak.swan.ac.uk/NetNews.html>ȸƤФ WWW
  ΥڡƤꡢNET-3 ͥåȥɤθˤĤƤξ
  󶡤Ƥޤ¾ξ󸻤ȤƤϡͥ°
  /usr/src/linux/net/inet/README ե linux-net ᡼󥰥ꥹȤ
  ɤޤ

  18.  Copyright Message.

  The NET-2-HOWTO is Copyright (c) 1995 Terry Dawson and Matt Welsh.

  Permission is granted to make and distribute verbatim copies of this
  document provided the copyright notice and this permission notice are
  preserved on all copies.

  Permission is granted to copy and distribute modified versions of this
  document under the conditions for verbatim copies above, provided a
  notice clearly stating that the document is a modified version is also
  included in the modified document.

  Permission is granted to copy and distribute translations of this
  document into another language, under the conditions specified above
  for modified versions.

  Permission is granted to convert this document into another media
  under the conditions specified above for modified versions provided
  the requirement to acknowledge the source document is fulfilled by
  inclusion of an obvious reference to the source document in the new
  media. Where there is any doubt as to what defines 'obvious' the
  copyright owner reserves the right to decide.

  NET-2-HOWTO  Terry Dawson  Matt Welsh ʪǤ((c) 1995)

  ʸΤΥԡȺۤϡɽȵľबƤΥԡ
  ˴ޤޤƤ¤ǽǤ

  ʸνǤΥԡȺۤ⡢嵭˴ޤơǤǤ뤳
  ʸ˼¤ǽǤ

  ǤΥԡȺۤϾ嵭νǤ۾źвǽǤ

  ʸ¾ΥǥѴ뤳Ȥ⡢嵭νǤ۾˽
  ꥸʥʸؤΤʥݥ󥿤вǽǤäơ
  Τʡץݥ󥿤Ȥ뤫Ԥ긢ͭޤ

  19.  Miscellaneous and Acknowledgements.

  ʸιˤĤƤ¿οͤΥȤƤ򻲹ͤˤޤ
  ͤθ̾ϼǰޤȤˤ꤬Ȥ

  ȤƤФҥ᡼뤷ƤǶϤʤ˻Τǡ
  ֻǤʤΤޤ󤬡ƤƤϽʬθ
  Ƥޤ

  Linux ΥͥåȥѤΥɤߤλѤˤʤˤĹ֤ꡢ
  ϴñƻΤǤϤޤǤƤγȯԤ
  򤷤ƤޤϤΤǡǽ˭٤ʵǽ
  쥭֥Ǽͳ˻ȤץबѤǤ褦ˤʤäΤǤ䤿
  ˴դʤФʤޤLinus, Ross, Fred, Alan,
  Alpha/Beta ǤΥƥƼġγȯԡŪ˻٤
  ¿οͤƤϤΤǡߤΥɤΤǤ

  ˤʤ꤬ͤϡĥäƼμǽƤhappy
  hacking !

  regards Terry Dawson, vk2ktj.

  <94004531@postoffice.csu.edu.au>/<terry@perf.no.telecom.com.au>

