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\title{¾ô±µ¾¹ªº¹B§@ mini-Howto}
\author{§@ªÌ: Christopher Cole,  {\ttfamily \onlynameurl{cole@lynkmedia.com}}\\ 
Ä¶ªÌ: Mile Yeh {\ttfamily mile@mail.timenet.net}}
\date{v1.10, 13¤Q¤@¤ë 1997}
\abstract{³o¤å¥ó´y­z¦p¦ó¥h³]©w¤@­Ó¤A¤Óºô¸ô¾ô±µ¾¹.¤°»ò¬O¤@­Ó¤A¤Óºô¸ô¾ô±µ¾¹?¤@­Ó¤A¤Óºô¸ô¾ô±µ¾¹¬O¤@­Ó³]³Æ¥¦¥i¥H±±¨î¦b¤@­Ó¤lºô¸ô¤§¤ºªº¸ê®Æ«Ê¥]¥h¸Õ¹Ï´î¤Öºô¸ôªº¤j¶q¬y¶q. ¤@­Ó¾ô±µ¾¹¬O³q±`¦w©ñªº¦b¨â²Õ¤À¶}ªº¹q¸£¸s²Õ¤§¶¡¨Ï¹q¸£¦Û¤v¦b¤º³¡·¾³q¦Û¤w,¦Ó¤£¬OÀWÁc©M¨ä¥Lªº¸s²Õªº¹q¸£·¾³q.¤@­Ó¦nªº¨Ò¤lªº¬O·Q·Q¤@¸sªº³Áª÷¶ð©M¤@¸sªº Unix ¾÷¾¹.³o¨Ç²Õ§Oªº¾÷¾¹¨â­Ó¸s²Õ³£¶É¦V©ó¥L­Ì¦Û¤v©M¦Û¤wªº¾÷¾¹¤Q¤ÀÁc¦£ªº·¾³q,
¥L­Ì¦bºô¸ô¤W²£¥Íªº³q°T¬y¶q¨Ï¨ä¥L¾÷¾¹¸ÕµÛ©M¥t¥~¤@­Ó·¾³q®Éªº³y¦¨¸I¼².¤@­Ó¾ô±µ¾¹¬O©ñªº¦b³o¨Ç¹q¸£²Õ¸s¤§¶¡.¾ô±µ¾¹ªº¤u§@¬OµM«áÀË¬d¨º¥Øªº¦aªº¼Æ¾Ú«Ê¥]¤@­Ó¤@¦¸¦Ó¥B¨M©w­n¤£­n¶Ç¿é«Ê¥]¨ì¨º¤A¤Óºô°Ï¬q¥t¤@Ãä.µ²ªG¬OÅÜ¦¨¤@­Ó§ó§Öªº,§ó¦wÀR,§ó¤Öªº¸I¼²ªººô¸ô.}


\begin{document}
\maketitle
\tableofcontents

\section{³]©w}

\begin{enumerate}
\item ¨ú±o ``¾ô±µ¾¹°t¸m'':
\begin{tscreen}
\nameurl{ftp://shadow.cabi.net/pub/Linux/BRCFG.tgz}{}
\end{tscreen}

\item ¨ú±o©M¾\Åª ``Multiple ethernet'' HOWTO:
\begin{tscreen}
\nameurl{ftp://sunsite.unc.edu/pub/Linux/docs/HOWTO/mini/Multiple-Ethernet}{}
\end{tscreen}

\item ¨Ï¦h­Ó¤A¤Óºô¸ô³]³Æ¦b§Aªº¾÷¾¹¹B§@·ÓµÛ
¥[¤J³o¦æ¨ì§Aªº {\ttfamily /etc/lilo.conf},
©M­«·s°õ¦æ {\ttfamily lilo}:
\begin{tscreen}
\begin{verbatim}
append = "ether=0,0,eth1"
        
\end{verbatim}
\end{tscreen}

¦pªG§A¦b§Aªº¾ô±µ¾¹¤W¦³¤T±i¬É­±¥d,¨Ï¥Î³o¨Ç¦æ¨ú¥N¤W­±:
\begin{tscreen}
\begin{verbatim}
append = "ether=0,0,eth1 ether=0,0,eth2"
        
\end{verbatim}
\end{tscreen}


¾a¥[¤J§ó¦hªº¤A¤Ó³¯­z¥i¥H§ä¨ì§ó¦hªº¬É­±.
¹w³]¤W¤@­Ó¶Ç²Îªº Linux ®Ö¤ß¥u°»´ú¤@±i¿W¤@ªº¤A¤Óºô¸ô¥d,
©M·í¤@­Ó³Q§ä¨ì°»´ú´N·|°±¤î.
¤W­±©Òªþ¥[ªº³¯­z§i¶D®Ö¤ß¦b²Ä¤@­Ó³Q§ä¨ì¤§«áÄ~Äò°»´ú
¥h§ä¨ì§ó¦h¤A¤Óºô¸ô³]³Æ.

¥t¤@­Ó¤èªk,¥i¥H¨Ï¥Î±Ò°ÊÅÜ¼Æ¨Ó¨ú¥N:
\begin{tscreen}
\begin{verbatim}
linux ether=0,0,eth1
        
\end{verbatim}
\end{tscreen}

©ÎªÌ, ¦³¤T­Ó¬É­±,¨Ï¥Î:
\begin{tscreen}
\begin{verbatim}
linux ether=0,0,eth1 ether=0,0,eth2
        
\end{verbatim}
\end{tscreen}




\item ­«·s½sÄ¶¨º®Ö¤ß±Ò°Ê{\ttfamily BRIDGING}¥\¯à.
\item ¤@­Ó¾ô±µ¾¹À³¨S¦³¤@­Óªº IP ¦a§}.
¥¦¥i¥H¦³¤@­Ó,¦ý¬O¤@­Ó¥­±`ªº¾ô±µ¾¹¤£»Ý­n¤@­Ó IP ¦a§}.
±q§Aªº¾ô±µ¾¹¤W²¾°£ IP ¦a§},¨ì
{\ttfamily /etc/sysconfig/network-scripts/} (¹ï©ó¤@­Ó RedHat¨t²Î)
©M«þ¨© {\ttfamily ifcfg-lo0}¨ì {\ttfamily ifcfg-eth0} \&
{\ttfamily ifcfg-eth1}.
¦b³o¨â­Ó¤A¤ÓÀÉ®×¤¤,§ïÅÜ¨º¦æ¥]§t
``{\ttfamily DEVICE=lo}'' to ``{\ttfamily DEVICE=eth0}''
©M ``{\ttfamily DEVICE=eth1}''.
§Oªº Linux distribution ¤]³\©M³o­Ó¤£¦P,¦Û¤w°Ê¤â°µ§A·Q­nªº!
¦pªG¾ô±µ¾¹¤W¦³¶W¹L¨â­Ó¬É­±¥d,
½T©w¤]¨Ï³]©w²Å¦X³o¨Ç¬É­±.
\item ­«·s±Ò°Ê,°õ¦æ¨º¥]§t¾ô±µ¾¹¥\¯àªº®Ö¤ß,
¥t¥~¤]¬d©ú½T»{¤@­Ó IP ¦a§}¨S¦³«ü©w¨ì
³oºô¸ô¬É­±¥d.
\item ¤@¦¸¨t²Î¬O³Æ¥÷,
§â¤A¤Óºô¸ô¥d³]©w¦b¯É¶Ã(promiscuous)ªº¼Ò¦¡,
¥L­Ì±N¾a¥¦ªº¬É­±ºÊ¬Ý¨C¤@­Ó³q¹Lªº«Ê¥]:
\begin{tscreen}
\begin{verbatim}
ifconfig promisc eth0 ; ifconfig promisc eth1
        
\end{verbatim}
\end{tscreen}

³s±µ¨ìºô¸ô°Ï¬qªº¥þ³¡ªº¬É­±¥d³Q¾ô±µ¾¹¤À¶}
¶i¤J promiscuous(¯É¶Ã) ªº¼Ò¦¡.
\item ±Ò°Ê¾ô±µ¾¹¨Ï¥Î {\ttfamily brcfg}µ{¦¡:
\begin{tscreen}
\begin{verbatim}
brcfg -ena
        
\end{verbatim}
\end{tscreen}

\item ÀËÅç¨C¤@­Ó¬É­±¥d¦³¤£¦Pªº¥æ³q¬y¶q:
\begin{tscreen}
\begin{verbatim}
tcpdump -i eth0      (¦b¤@­Óµøµ¡)
tcpdump -i eth1      (¦b¥t¤@­Óµøµ¡)
        
\end{verbatim}
\end{tscreen}

\item °õ¦æ¤@­Ó sniffer (ºÊ¬Ý¾¹) ©ÎªÌ {\ttfamily tcpdump} ¦b¥t¥~ªº¾÷¾¹¤W
¥hÀËÅç¾ô±µ¾¹¥¿½T¦a¤À¶}°Ï¬q.
\end{enumerate}



\section{¤@¯ëªº°ÝÃD}

\begin{enumerate}
\item 
\begin{description}
\item[Question] \mbox{}

§Ú±o¨ì³o­Ó°T®§
\begin{tscreen}
\begin{verbatim}
ioctl(SIOCGIFBR) failed: Package not installed
        
\end{verbatim}
\end{tscreen}

³o¬O¤°»ò·N«ä?

\item[Answer] \mbox{}

§Aªº®Ö¤ß¨S¦³¾ô±µ¾¹ªº¯à¤O.
¨ú±o¨ì¤@­Ó 2.0©ÎªÌ§ó«á­±ªº®Ö¤ß,
©M­«·s½sÄ¶±Ò°Ê¾ô±µ¾¹¥\¯àªº¿ï¶µ {\ttfamily BRIDGING}.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

¾÷¾¹¦b¤@Ãä¤£¯à ping ¨ì¥t¥~¤@Ãä!

\item[Answer] \mbox{}

\begin{itemize}
\item §A¦³¨Ï¥Î ``{\ttfamily brcfg -ena}' ¨Ï¾ô±µ¾¹¹B§@'¶Ü¡H
({\ttfamily brcfg}±N»¡ ``{\ttfamily bridging is ENABLED}'')
\item §A¦³§â¬É­±©ñ¦b promiscuous(¯É¶Ã)ªº¼Ò¦¡¶Ü?
(¨Ï¥Î ``{\ttfamily ifconfig}''©R¥O.
¨º ``{\ttfamily PROMISC}''°Ñ¼ÆÀ³¸Ó¬O¦b
¨â­Ó¬É­±¥d¤W.)
\item ¦pªG¥¿¦b¥Î multiple-media ¬É­±¥d,
½T©w±Ò°Êªº¬O¥¿½Tªº¬O¨º¤@ºÝ.
§A¤]³\»Ý­n¨Ï¥Î©Mºô¸ô¬É­±¥dªþªº °t¸m/³]©w µ{¦¡¨Ó°µ³]©w
.
\end{itemize}


\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

§Ú¤£¯à±q¾ô±µ¾¹¤W {\ttfamily telnet}/{\ttfamily ftp}!¬°¤°»ò?

\item[Answer] \mbox{}

³o¬O¦]¬°¨S¦³ IP ¦a§}«ü©w¨ì¥ô¦óªº¾ô±µ¾¹ªº
¬É­±¥d.¤@­Ó¾ô±µ¾¹¬O¤@­Óºô¸ôªº³z³q³¡¤À.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

¦b³]©w¸ô¥Ñ¤è­±§Ú»Ý­n°µ¤°»ò?

\item[Answer] \mbox{}

µL!
¾ã­Óªº¸ô¥Ñ¸ê®Æ¬O¥Ñ
®Ö¤ßªº¾ô±µ¾¹ªº½X©Ò´x´¤.
¾a¾ô±µ¾¹¬Ý¨£¨º¤A¤Óºô¸ô¦a§}¥L­Ì¬O³Q¾Ç²ß,
¦b´ú¿ù¼Ò¦¡¤U¨Ï¥Î {\ttfamily brcfg}µ{¦¡:
\begin{tscreen}
\begin{verbatim}
brcfg -deb
        
\end{verbatim}
\end{tscreen}


\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

¨º¾ô±µ¾¹¬Ý°_¨Ó¦³¹B§@,¦ý¬O¬°¤°»ò ``traceroute'' ¨S¦³Åã¥Ü¨º
¾ô±µ¾¹¬O¸ô®|ªº¤@­Ó³¡¤À?

\item[Answer] \mbox{}

¥Ñ©ó¾ô±µ¾¹·íµMªº¥\¯à, ``traceroute''±N¤£Åã¥Ü
¾ô±µ¾¹·í§@¸ô®|ªº¤@³¡¤À.¤@­Ó¾ô±µ¾¹¬Oºô¸ôªº¤@­Ó³z³q
²Õ¥ó.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

{\ttfamily IP\_FORWARD} ¬O§_¥²­n½sÄ¶¨ì®Ö¤ß¤¤©O?

\item[Answer] \mbox{}

¤£.®Ö¤ß¤¤ªº¾ô±µ¾¹ªº½X·Ó®Æ«Ê¥]
¶Ç°e.
{\ttfamily IP\_FORWARD}¹ï©ó¤@­Ó gateway(³q¸ô¹h)¥¦­n¦³ IP ¦a§}
«ü©w¨ì¥¦ªº¬É­±.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

®Ú¾Ú¨º ``{\ttfamily brcfg}''µ{¦¡Åã¥Ü,¬°¤°»ò¹ï©ó°ð 1©M°ð 2 ¹êÅéªº
¤A¤Óºô¸ô¦a§}¬O¬Û¦Pªº?
¥L­ÌÀ³¸Ó¬O¤£¦Pªº¶Ü?

\item[Answer] \mbox{}

¤£.¤@­Ó¾ô±µ¾¹ªº¨C¤@°ð¬O¬G·N¦a¬O¥Ñ¾ô±µ¾¹ªº½X«ü©w¨º¬Û¦Pªº
¹êÅéªº¤A¤Óºô¸ô¦a§}.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

·í¦b®Ö¤ß¤¤°õ¦æªº¤@­Ó (make config)«Ø³y³]©w,¾ô±µ¾¹ªº¿ï¶µ¨S¦³¥X²{
.¥¦¬O¦p¦ó±Ò°Êªº©O¡H

\item[Answer] \mbox{}

¦b®Ö¤ß°t¸mªº®É­Ô,°w¹ï¥H¤Uªº°ÝÃD¦^µª 'Y' , ``Prompt for
development and/or incomplete code/drivers (CONFIG\_EXPERIMENTAL) 
{[}Y/n/?]''.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

¤Ó¦h¶°½u¾¹ (4­Ó©ÎªÌ§ó¦h)¤@­Ó±µ¤@­Ó¦ê³s¦b¤@°_ (³sÄò¦a) 
¦b¤@­Ó¤A¤Óºô¸ô¤W³y¦¨®É¶¡¦^À³ªº°ÝÃD.¦b¤@­Ó¥Ñ¶°½u¾¹©Ò§G«Øªº¤lºô¤¤
¤@­Ó¾ô±µ¾¹·|¦³¤°»òµ²ªG?

\item[Answer] \mbox{}

¤@­Ó¾ô±µ¾¹­«³] 3/4/5¶°½u¾¹³W«h.¤@­Ó¾ô±µ¾¹¨S¦³¦p¦P¤@­Ó¶°½u¾¹©Ò°µªº³B²z
«Ê¥],¦]¦¹¨S¦³¤@­Ó contributor(°^ÄmªÌ) ¨ì
¦b¤@­Óºô¸ô¤W¦³®É¶¡¦^À³°ÝÃD.

\end{description}

\item 
\begin{description}
\item[Question] \mbox{}

¤@­Ó¾ô±µ¾¹¬É­±¯à°÷¦P®É³s±µ 10Mb ©M 100Mb ¨â­Ó¤A¤Óºô¸ô°Ï¬q?
³o¼Ëªº°t¸m·|³y¦¨°ª³t¬y¶qªº¥t¤@Ãä
ºC¤U¨Ó¶Ü?

\item[Answer] \mbox{}

¬O,¤@­Ó¾ô±µ¾¹¯à°÷§â 10 Mb ªº°Ï¬q©M 100Mb ªº°Ï¬q¸j¦b¤@°_
¥u­n¨ººô¸ô¥d¦b¾ô±µ¾¹ªº§Ö³tºô¸ôªº¨º¤@Ãä
¬O¦³ 100Mb ¯à¤Oªº , TCP ±N­n·Ó®Æ¨ä¾lªº³¡¤À.³o®É¥¦µo¥Íªº±¡§Î¬O
±q¤@­Ó¦b 100Mb ºô¸ôªº¥D¾÷°e«Ê¥]·¾³q¥t
¤@­Ó¦b 10Mb ºô¸ôªº¥D¾÷¬O¥u¦³¥Î 10Mb/s ªº³t«×²¾°Ê,¨ä¾lªº 
¨ººô¸ô¥æ³q¦b§Ö³t¤A¤Óºô¸ô¬O¤£·|³Q©ìºC.  

\end{description}
\end{enumerate}


\end{document}
