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Message-Id: <199904160822.RAA20160@exose88.qncos.nec.co.jp>
To: FreeBSD-net-jp@jp.freebsd.org
Date: Fri, 16 Apr 99 17:22:26 +0900
From: Yoshinori Morofuji <morofuji@qncos.nec.co.jp>
Reply-To: FreeBSD-net-jp@jp.freebsd.org
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X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+990405
X-Sequence: FreeBSD-net-jp 1514
Subject: [FreeBSD-net-jp 1514] [Q]:IP routing
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$B=tF#!w#N#E#C(B $B$H?=$7$^$9!#(B
IP$B%k!<%A%s%0$N;v$G!"<ALd$5$;$F2<$5$$!#(B


$B0J2<$NMM$J%M%C%H%o!<%/9=@.$r9M$($^$9!#(B


            |   +---------+   +---------+
+-------+   +---+ Router0 +---+         |
|       |   |   +---------+   |         |
|     0 +---+                 |         |
|       |   |                 |         |   +---------+   |
|  BSD  |                     | $B<RFb(BLAN +---+ Router2 +---+
|       |   |                 |         |   +---------+   |   +------+
|     1 +---+                 |         |                 +---+ Host |
|       |   |   +---------+   |         |                 |   +------+
+-------+   +---+ Router1 +---+         |
            |   +---------+   +---------+

BSD interface0:192.168.1.1                             Host:192.168.3.1
    interface1:192.168.2.1


$B$3$N;~!"(BBSD$B%^%7%s$O%5!<%P!"(BHost$B$O%/%i%$%"%s%H$H$7$FF0:n$7$F$$$^$9!#(B
$B$^$?!"(BBSD$B%^%7%s$N%G%U%)%k%H%2!<%H%&%'%$$O(BRouter0$B$H$7$F$"$j!"$=$NB>$N(B
$B%9%?%F%#%C%/$J%k!<%A%s%0$N@_Dj$O$5$l$F$$$^$;$s$7!"(BRIP$BEy$N%k!<%A%s%0(B
$B%W%m%H%3%k$b;HMQ$7$F$$$^$;$s!#(B
$B99$K!"(BBSD$B%^%7%s$O%2!<%H%&%'%$$H$7$F$OF0:n$7$F$$$^$;$s!#(B

$B$=$3$G!"(BHost$B$O(BBSD$B%^%7%s$N%$%s%?%U%'!<%9(B0$B$KBP$7$F!"%=%1%C%H$N%3%M%/%7%g%s$r(B
$BD%$jDL?.$7$F$$$^$9!#$3$N;~$O!"(BRouter0$B7PM3$G%Q%1%C%H$NAw<u?.$r9T$C$F$$$^$9!#(B
$B$=$3$G!"(BBSD$B%^%7%s$N%$%s%?%U%'!<%9(B0$B$N(BLAN$B$N%1!<%V%k$rH4$/Ey$7$F!"DL?.$G$-$J(B
$B$$>uBV$K$7$^$9!#$9$k$H!"(BHost$BB&$N%"%W%j%1!<%7%g%s$GDL?.>c32$r8!=P$7$F!":#$^(B
$B$G;HMQ$7$F$$$?%3%M%/%7%g%s$r2rJ|$7$F?7$?$K(BBSD$B%^%7%s$N%$%s%?%U%'!<%9(B1$B$KBP$7(B
$B$F%3%M%/%7%g%s$rD%$j$K9T$-$^$9!#(B

$B$3$N;~!"(BBSD$B%^%7%s$G$O(BHost$B$+$i$N%3%M%/%7%g%sMW5a(B(SYN)$B$r%$%s%?%U%'!<%9(B1$B$+$i(B
$B<u?.$7$^$9$,!"$=$N1~Ez$r%$%s%?%U%'!<%9(B0$B$+$iAw?.$7$h$&$H$7$F$7$^$$$^$9!#(B
$B$3$l$r2sHr$9$k<jN)$F$OM-$k$N$G$7$g$&$+!)(B

BSD$B%^%7%s$N%$%s%?%U%'!<%9Kh$K!"(BIP$B$N%k!<%A%s%0%F!<%V%k$r;}$F$P2r7h$G$-$k$H(B
$B;W$&$N$G$9$,!"$=$&$$$&;v$C$F=PMh$k$N$G$7$g$&$+!)(B

$B$J$*!"(BBSD$B$N%P!<%8%g%s$O(B2.2.7-RELEASE$B$G$9!#(B

$B$$$D$b<ALd$P$+$j$G?=$7LuM-$j$^$;$s$,!"59$7$/$*4j$$CW$7$^$9!#(B



$B"v(B---------------------------------------------------------------$B"v(B
  $B#N#E#CDL?.%7%9%F%`6e=#(B   $BBh0l5;=QIt(B   $B=tF#(B $B5AB'(B
        e-mail: morofuji@qncos.nec.co.jp  Dial-in: 092-852-6071
                                              FAX: 092-852-6079
$B"v(B---------------------------------------------------------------$B"v(B
