








			    B@ mini-Howto

		  @: Christopher Cole,  cole@lynkmedia.com

		     Ķ: Mile Yeh mile@mail.timenet.net

			     v1.10, 13Q@ 1997



				   Abstract

     oyzph]w@ӤAӺ.
     O@ӤAӺ?@ӤAӺO@ӳ]ƥiHb
     @Ӥlƫʥ]hչϴֺjqyq.
     @ӾOq`w񪺦bդ}qsդ
     qۤvbqۤw,ӤOWcMLsժqq
     .@ӦnҤlOQQ@sM @s Unix
     .oǲէOӸsճɦV
     L̦ۤvMۤwQcq,
     L̦bWͪqTyqϨLյ۩Mt~@ӷqɪyI
     .@ӾO񪺦boǹqոs .u@OMˬdتa
     ƾګʥ]@Ӥ@ӥBMwnnǿ
     ʥ]쨺AӺϬqt@.GOܦ@
     ֪,wR,֪I.



1.  ]w

  1.  o ``tm'':

	   <URL:ftp://shadow.cabi.net/pub/Linux/BRCFG.tgz>



  2.  oM\Ū ``Multiple ethernet'' HOWTO:

	   <URL:ftp://sunsite.unc.edu/pub/Linux/docs/HOWTO/mini/Multiple-Ethernet>



  3.

      ϦhӤAӺ]ƦbAB@ӵ [JoA /etc/lilo.conf,
      Ms lilo:

	   append = "ether=0,0,eth1"



      pGAbAWTiɭd,ϥγoǦNW:


B@ mini-Howto 						      1





B@ mini-Howto 						      2



	   append = "ether=0,0,eth1 ether=0,0,eth2"


      a[JhAӳziHhɭ.  w]W@ӶǲΪ Linux
      ֤ߥu@iW@AӺd, M@ӳQ찻N|.
      WҪ[ziD֤ߦbĤ@ӳQ줧~򰻴
      hhAӺ].

      t@Ӥk,iHϥαҰܼƨӨN:

	   linux ether=0,0,eth1



      Ϊ, TӬɭ,ϥ:

	   linux ether=0,0,eth1 ether=0,0,eth2


  4.  ssĶ֤߱ҰBRIDGING\.

  5.  @ӾS@Ӫ IP a}.
      iH@,O@ӥ`ݭn@ IP a}.  qAW
      IP a}, /etc/sysconfig/network-scripts/ (@ RedHatt) M
      ifcfg-lo0 ifcfg-eth0 & ifcfg-eth1.  boӤAɮפ,ܨ]t
      ``DEVICE=lo'' to ``DEVICE=eth0'' M ``DEVICE=eth1''.  O Linux distri
      bution ]\MoӤP,ۤwʤⰵAQn!  pGWWLӬɭd,
      Tw]ϳ]wŦXoǬɭ.

  6.  sҰ,樺]t\઺֤, t~]dT{@ IP a}Sw
      oɭd.

  7.  @tάOƥ, AӺd]wbɶ(promiscuous)Ҧ,
      ḺNaɭʬݨC@ӳqLʥ]:

	   ifconfig promisc eth0 ; ifconfig promisc eth1



      sϬqɭdQ} iJ promiscuous(ɶ) Ҧ.

  8.  Ұʾϥ brcfg{:

	   brcfg -ena




  9.  C@ӬɭdPqyq:

	   tcpdump -i eth0	(b@ӵ)
	   tcpdump -i eth1	(bt@ӵ)










B@ mini-Howto 						      3



 10.  @ sniffer (ʬݾ) Ϊ tcpdump bt~W
      hTa}Ϭq.


2.  @몺D

  1.

	    Question
		  ڱooӰT

		       ioctl(SIOCGIFBR) failed: Package not installed



		  oON?

	    Answer
		  A֤ߨSO.  o@ 2.0Ϊ̧֤᭱,
		  MssĶҰʾ\઺ﶵ BRIDGING.


  2.

	    Question
		  b@䤣 ping t~@!

	    Answer

		      Aϥ ``brcfg -ena' ϾB@'ܡH (brcfgN
		       ``bridging is ENABLED'')

		      Aɭb promiscuous(ɶ)Ҧ?  (ϥ
		       ``ifconfig''RO.   ``PROMISC''ѼӬOb
		       ӬɭdW.)

		      pGb multiple-media ɭd,
		       TwҰʪOTO@.
		       A]\ݭnϥΩMɭd tm/]w {Ӱ]w .


  3.

	    Question
		  ڤqW telnet/ftp!?

	    Answer
		  oO]S IP a}w󪺾
		  ɭd.@ӾO@Ӻzq.


  4.










B@ mini-Howto 						      4



	    Question
		  b]wѤ譱ڻݭn?

	    Answer
		  L!  ӪѸƬO ֤ߪXҴx.
		  aݨAӺa}L̬OQǲ, bҦUϥ
		  brcfg{:

		       brcfg -deb




  5.

	    Question
		  ݰ_ӦB@,O ``traceroute'' Sܨ
		  O|@ӳ?

	    Answer
		  ѩM\, ``traceroute''N
		  @|@.@ӾO@ӳzq ե.


  6.

	    Question
		  IP_FORWARD O_nsĶ֤ߤO?

	    Answer
		  .֤ߤXӮƫʥ] ǰe.  IP_FORWARD@ gate
		  way(qh)n IP a} w쥦ɭ.


  7.

	    Question
		  ھڨ ``brcfg''{, 1M 2 骺
		  AӺa}OۦP?  LӬOP?

	    Answer
		  .@ӾC@OGNaOѾXwۦP
		  骺AӺa}.


  8.

	    Question
		  b֤ߤ檺@ (make con
		  fig)سy]w,ﶵSX{ .OpҰʪOH

	    Answer
		  b֤߰tmɭ,wHUD^ 'Y' , ``Prompt for devel
		  opment and/or incomplete code/drivers (CONFIG_EXPERIMENTAL)








B@ mini-Howto 						      5



		  [Y/n/?]''.


  9.

	    Question
		  Ӧhu (4өΪ̧h)@ӱ@Ӧsb@_ (sa)
		  b@ӤAӺWyɶ^D.b@ӥѶuҧGتl
		  @Ӿ|򵲪G?

	    Answer
		  @Ӿ]
		  3/4/5uWh.@ӾSpP@ӶuҰBz
		  ʥ],]S@ contributor(^m) 
		  b@ӺWɶ^D.


 10.

	    Question
		  @ӾɭPɳs 10Mb M 100Mb ӤAӺϬq?
		  o˪tm|ytyqt@ CUӶ?

	    Answer
		  O,@Ӿ 10 Mb ϬqM 100Mb Ϭqjb@_
		  undbֳt@ O 100Mb O ,
		  TCP NnӮƨl.oɥoͪάO q@Ӧb 100Mb
		  Deʥ]qt @Ӧb 10Mb DOu 10Mb/s
		  tײ,l qbֳtAӺO|QC.

































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				   CONTENTS



1. ]w ..................................................................... 1

2. @몺D ............................................................... 3

















































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