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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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 <TITLE>LAN-mini-HOWTO: TCP/IP$B%M%C%H%o!<%/(B</TITLE>
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<BODY>
<A HREF="LAN-mini-HOWTO-8.html">$B<!$N%Z!<%8(B</A>
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<HR>
<H2><A NAME="s7">7. TCP/IP$B%M%C%H%o!<%/(B</A></H2>

<P>$B%O!<%I%&%'%"$NOC$,B3$-$^$7$?$N$G!">/$7%=%U%H$h$j$NOC$b$7$F$*$-$^$9!#$3$3$G(B
$B$O!"(BTCP/IP $B%M%C%H%o!<%/$r;HMQ$9$k>e$GCN$C$F$*$-$?$$4pK\E*$J;v$r$*OC$7$^(B
$B$9!#(B
<P>
<H2><A NAME="ss7.1">7.1 TCP/IP$B%M%C%H%o!<%/$,9T$&$3$H(B</A>
</H2>

<P>$B$3$3$G@bL@$9$k9=@.$G$O!"(BTCP/IP $B%M%C%H%o!<%/%=%U%H$O(B Ethernet $B%W%m%H%3%k$r(B
$BMxMQ$7$F(B TCP/IP $B%W%m%H%3%k$r1?MQ$7$^$9!#$7$+$7$J$,$iIaDL$O(BTCP/IP $B$N@_Dj(B
$B$r$9$k>l9g$K$O!"(BEthernet $B$K4X$9$kCN<1$OITMW$G$9!#(BEthernet $B$K4X$9$k@_Dj$O(B
NIC $B$N@_Dj$G9T$&$+!"2?$b$7$J$/$F$$$$$3$H$,$[$H$s$I$G$9$N$G!"$3$3$G$O(B
TCP/IP $B$K$D$$$F@bL@$7$^$9!#(B
<P>TCP/IP $B%M%C%H%o!<%/$G$O!"8D!9$N%3%s%T%e!<%?$,0l$D$:$D!"0l0U$N(B
$B!V(BIP$B%"%I%l%9!W$r;}$A$^$9!#(BIP $B%"%I%l%9$O=;=j$dEEOCHV9f$N$h$&$J$b$N$G!"(B
TCP/IP $B%M%C%H%o!<%/$G%3%s%T%e!<%?$r;XDj$9(B
$B$k$H$-$K$O!"$3$N(B IP $B%"%I%l%9$G;XDj$7$^$9!#(B
IP $B%"%I%l%9$O0lEY@_Dj$5$l$k$H!"FCJL$JM}M3$,$J$$8B$jJQ99$5$l$^$;$s!#(B
$B$G$9$+$i(BTCP/IP $B$N@$3&$G$O%3%s%T%e!<%?$O(B IP $B%"%I%l%9$r;H$C$F8_$$$r8F(B
$B$S$"$($k$N$G$9!#M'C#$NEEOCHV9f$,IQHK$KJQ$o$C$F$$$k$N$G$O!"(B
$B0B?4$7$FEEOC$b$+$1$i$l$J$$$G$7$g$&!#$3$l$OBgJQ=EMW$G$9!#(B
<P>TCP/IP $B%M%C%H%o!<%/$G$O!"%f!<%6!<%"%W%j%1!<%7%g%s$NMW5a$K$7$?$,$C$F!"(B
$B!V;XDj$5$l$?%G!<%?$r!W!V;XDj$5$l$?>l=j$K!WAw$j$^$9!#Ev$?$jA0$@$H$$$&(B
$B@<$,JV$C$F$-$=$&$G$9$,!">l=j$N;XDj$N$?$a$K!"<+J,$N(B IP $B%"%I%l%9$dAj<j(B
$B$N(B IP $B%"%I%l%9$,I,MW$K$J$j$^$9!#$G$9$+$i!"(BIP $B%"%I%l%9$N@_Dj$O!"(BTCP/IP
$B$N@_Dj:n6H$NCf$G$b=EMW$J$N$G$9!#$3$l$i$r%3%s%T%e!<%?$K65$($k$3$H$,(B
TCP/IP $B$N@_Dj$NBh0lJb$G$9!#(B
<P>
<P>
<H2><A NAME="ss7.2">7.2 IP$B%"%I%l%9(B</A>
</H2>

<P>IP $B%"%I%l%9$O(B TCP/IP $B%M%C%H%o!<%/$NCf$G;HMQ$9$k%3%s%T%e!<%?$NHV(B
$BCO$G$9!#@$3&Cf$N$9$Y$F$N2H$KJL!9$N=;=j$,$"$k$h$&$K!"@$3&Cf$N$9(B
$B$Y$F$N%3%s%T%e!<%?$KJL!9$N(BIP $B%"%I%l%9$r$U$i$J$1$l$P$J$j$^$;$s!#(B
$B$3$l$OBgJQ$J:n6H$G$9!#0c$&%3%s%T%e!<%?$KF1$8%"%I%l%9$r$U$k$H!"%M%C%H(B
$B%o!<%/$,@5>o$KF0$+$J$/$J$j$^$9!#$7$?$,$C$F@$3&Cf$N%M%C%H%o(B
$B!<%/4IM}<T$O$=$N$h$&$J;v8N$,5/$-$J$$$h$&$K5$$r$D$1$F$$$^$9!#$"(B
$B$J$?$N2H$G$O!"$3$N@UG$$O$"$J$?$K$"$j$^$9!#(B
<P>$B@$3&Cf$N%3%s%T%e!<%?$K0l0U$J(B IP $B%"%I%l%9$r3d$jEv$F$k$?$a$K8xE*$J(B
$B5!4X$,B8:_$7$^$9!#(B
<P>IP $B%"%I%l%9$O(B4$B$D$N@0?t$NAH$G$9!#$=(B
$B$l$>$l$N?t$N6h@Z$j$O%T%j%*%I$G9T$$$^$9!#Nc$($P(B
<BLOCKQUOTE><CODE>
192.168.1.1
</CODE></BLOCKQUOTE>

$B$H$$$C$?46$8$G$9!#(B
<P>IP $B%"%I%l%9$K$O%/%i%9$H$$$&9M$(J}$,$"$j$^$9!#%/%i%9(BA$B$O!"$9$4$/Bg(B
$B$-$JAH?%$K!"%/%i%9(BC$B$OIaDL$NAH?%$K!"%/%i%9(BB$B$OCf4V$NAH?%$K;HMQ$5$l(B
$B$^$9!#2HDmFb(B LAN $B$@$H%/%i%9(B C $B$G$9(B($B2H$K(B 255 $BBf0J>e%3%s%T%e!<%?$,(B
$B$"$k?M$OCm0U$7$F$/$@$5$$(B)$B!#(B
<P>$B%M%C%H%o!<%/$H$=$N30$r6hJL$9$k$?$a$K!"(BIP $B%"%I%l%9$rFs$D$KJ,$1$F9M(B
$B$($^$9!#%M%C%H%o!<%/HV9f$H!"%[%9%H(B ID $B$G$9!#%/%i%9(BC$B$G$O!":8(B 3 $BAH(B
$B%H$,%M%C%H%o!<%/HV9f$G!"1&(B 1 $BAH$,%[%9%H(B ID $B$G$9!#(B
<BLOCKQUOTE><CODE>
<PRE>
192.168.1.1
~~~~~~~~~ ~
   |      |
   |      +--$B%[%9%H(B ID
   +---------$B%M%C%H%o!<%/HV9f(B
</PRE>
</CODE></BLOCKQUOTE>

$B2HDmMQ$N(B LAN $B$d!">.5,LO$N(B LAN $B$G$O!"%M%C%H%o!<%/HV9f$O0l$D$G==(B
$BJ,$G$9!#$7$?$,$C$F!"$9$Y$F$N%3%s%T%e!<%?$N%M%C%H%o!<%/HV9f$rF1$8(B
$B$K$7$^$9!#$=$l$>$l$N%3%s%T%e!<%?$K$O!":G8e$N%[%9%H(B ID
$B$N$_$rJQ99$7$FM?$($F$/$@$5$$!#(B
<P>
<H2><A NAME="ss7.3">7.3 $B<+M3$K;H$C$F$$$$%"%I%l%9(B</A>
</H2>

<P>Internet $B$K@\B3$9$k$K$O@$3&Cf$N%3%s%T%e!<%?$H>WFM$,5/$-$J$$$h$&(B
$B$K!"8xE*5!4X$+$i(BIP $B%"%I%l%9$r$b$i$&I,MW$,$"$j$^$9!#$3$N%"%I%l%9(B
$B<hF@$OBgJQ=EMW$J$3$H$G!">iCL$G$O$J$/!"%7%9%F%`4IM}<T$O$3$N$h$&$J(B
$B8xE*$J%"%I%l%9$N=e<i$O:G9bB.EY=e<i$H$OHf3S$K$J$i$J$$$[$I87=M$J$b(B
$B$N$@$H9M$($F$$$^$9!#(B
<P>$B$7$+$7!"8xE*$JG[I[$OEvA38xE*$J<j=g$K$h$j$^$9!#$A$g$C$H<B83$d<qL#(B
$B$G;H$&>e$G$OIT<+M3$G$9!#$=$3$G!"!X30It$N%M%C%H%o!<%/$H@\B3$7$J$$(B
$B!Y$3$H$rA0Ds$H$7$F!"<+M3$K;H$C$F$$$$%"%I%l%9$,7h$a$i$l$F$$$^$9!#(B
$B%/%i%9(BC$B$N>l9g!"(B
<BLOCKQUOTE><CODE>
192.168.0.0 $B$+$i(B 192.168.255.255
</CODE></BLOCKQUOTE>

$B$O<+M3$K;H$C$F$b9=$$$^$;$s!#$7$+$7!"$3$s$J9-$$%"%I%l%9$r<+M3$K(B
$B;H$C$F$$$F$b!"4V0c$$$d$9$$$@$1$G$9!#$=$3$G!"<+J,$N2H$G$O(B
<BLOCKQUOTE><CODE>
192.168.1.0 $B$+$i(B 192.168.1.255
</CODE></BLOCKQUOTE>

$B$@$1$r;H$&$h$&$K7h$a$F$7$^$($P!"4V0c$$$b5/$3$7$^$;$s$7!"<BMQ>e==J,$J(B
$B9-$5$G$9!#(B
$B$H$3$m$G!"(BIP $B%"%I%l%9$O(B 0 $B$H(B 255 $B$KFCJL$J0UL#$r;}$?$;$F$$$^$9!#(B
$B$G$9$+$i<B:]$K%3%s%T%e!<%?$KM?$($k$3$H$,5v$5$l$k$N$O(B
<BLOCKQUOTE><CODE>
192.168.1.1 $B$+$i(B 192.168.1.254
</CODE></BLOCKQUOTE>

$B$G$9!#$3$l$G$b!"(B254 $BBf$N%3%s%T%e!<%?$K3d$j?6$l$k$N$G$9$+$i!"==J,$G$9$h(B
$B$M!#(B
<P>$B7+$jJV$7$^$9$,!">e$N%"%I%l%9$OB>$N%M%C%H%o!<%/$H@\B3$7$J$$$3$H$r(B
$BA0Ds$K;HMQ$,5v2D$5$l$F$$$^$9!#$3$N$h$&$J(B IP $B%"%I%l%9$r@_Dj$7$?5!(B
$B3#$r!"30It$N%M%C%H%o!<%/$K@\B3$7$F$O$$$1$^$;$s!#!V30It$N!W$H$O!"(B
$B$"$J$?$N2H0J30$r$5$7$^$9!#(B
<P>$B!V$G$O!"%@%$%"%k%"%C%W$bBLL\$J$N!)!W$H;W$o$l$k$+$b$7$l$^$;$s!#(B
$B$H$3$m$,!"$3$l$O$$$$$N$G$9!#$$$$$N$G$9$,>r7o$,$"$j$^$9!#2HDmFb(B LAN $B$+$i(B
$B$=$N$^$^%G!<%?$,30It$K=P$F$$$/$h$&$J@_Dj$r$7$F$O$$$1$^$;$s!#(B
$B$3$NJ8=q$K=q$$$F$$$kHO0O$N:n6H$N8e$J$i!"C1$K%@%$%"%k%"%C%W$N@_Dj$r(B
$B9T$C$F$bLdBj$K$O$J$j$^$;$s!#(B
<P>$B2q<R$J$I$NAH?%$G%3%s%T%e!<%?$r%M%C%H%o!<%/$K@\B3$9$k$K$O!";vA0$K(B
$B4IM}<T$K(B IP $B%"%I%l%9$N3d$jEv$F$r?=$79~$_$^$9!#(B
<P>
<H2><A NAME="ss7.4">7.4 $B%k!<%?!<(B</A>
</H2>

<P>$B$3$l$rFI$s$G$$$k?M$,!"<qL#$G%k!<%?!<$r;HMQ$9$k5!2q$O>/$J$$$H;W$$$^(B
$B$9!#$7$+$7!"2q<R$N%M%C%H%o!<%/$K@\B3$9$k$H$-$K$O!"4IM}<T$K%k!<%?!<(B
$B$N(B IP $B%"%I%l%9$rJ9$$$F$*$/I,MW$,$"$j$^$9!#(B
<P>$B$^$?!"$9$G$K$*OC$7$7$?$h$&$K%k!<%?!<$N$J$$%M%C%H%o!<%/$G$b%k!<%?!<(B
$B$N%"%I%l%9@_Dj$r5a$a$i$l$k$3$H$,$"$j$^$9!#$=$N>l9g!"6uGr$K$7$F$*$/(B
$B$+!"<+J,<+?H$N(B IP $B%"%I%l%9$r;X<($7$^$9!#(B
<P>
<H2><A NAME="ss7.5">7.5 $B%5%V%M%C%H%^%9%/(B</A>
</H2>

<P>$B<+Bp$G(B LAN $B$rAH$`$H$-$K$OM}2r$7$F$$$kI,MW$O$"$j$^$;$s!#$?$@!"@_Dj(B
$B$OI,MW$G$9$N$G!"$I$N$h$&$J?t;z$r$$$l$k$N$+$O5-21$7$F$*$$$F$/$@$5$$!#(B
<P>$B<+Bp$G(B LAN $B$rAH$_!"30It$H@\B3$7$J$$$N$J$i!"(B255.255.255.0 $B$r@_Dj$7(B
$B$^$9!#<+J,$N2H$G$O$$$D$b$3$NCM$r;H$&$H3P$($F$*$1$P4V0c$$$O$J$$$G$7(B
$B$g$&!#$^$?!"$3$NCM$O!"@h$K@bL@$7$?<+M3$K;H$C$F$$$$%"%I%l%9!"(B
<BLOCKQUOTE><CODE>
192.168.1.1 $B$+$i(B 192.168.1.254
</CODE></BLOCKQUOTE>

$B$KBP1~$9$k$b$N$G$9!#(B
<P>$BG0$r2!$7$^$9$,!"2q<R$d!"B>$N%M%C%H%o!<%/$H@\B3$9$k7O$G$O!"I,$:4IM}(B
$B<T$N;X<($r6D$$$G$/$@$5$$!#(B
<P>
<P>
<H2><A NAME="ss7.6">7.6 DHCP</A>
</H2>

<P>Windows95 $B$d(B Macintosh $B$G@_Dj$r5a$a$i$l$k9`L\$G$9!#;HMQ$7$J(B
$B$$$h$&@_Dj$7$^$9!#(B
<P>
<P>
<HR>
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