From owner-FreeBSD-net-jp@jp.freebsd.org  Tue May 25 18:53:11 1999
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id SAA51232;
	Tue, 25 May 1999 18:53:11 +0900 (JST)
	(envelope-from owner-FreeBSD-net-jp@jp.FreeBSD.org)
Received: from nucoop.coop.nagoya-u.ac.jp (nucoop.coop.nagoya-u.ac.jp [133.6.62.129])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with ESMTP id SAA51226
	for <FreeBSD-net-jp@jp.freebsd.org>; Tue, 25 May 1999 18:53:11 +0900 (JST)
	(envelope-from ogino@coop.nagoya-u.ac.jp)
Received: from mshserver ([133.6.15.175])
	by nucoop.coop.nagoya-u.ac.jp (8.8.8/3.6W) with SMTP id SAA16691
	for <FreeBSD-net-jp@jp.freebsd.org>; Tue, 25 May 1999 18:53:10 +0900 (JST)
Date: Tue, 25 May 1999 18:52:48 +0900
From: Mitsuru Ogino <ogino@coop.nagoya-u.ac.jp>
To: FreeBSD-net-jp@jp.freebsd.org
In-Reply-To: <199905250714.QAA06504@lavender.yy.cs.keio.ac.jp>
References: <199905250249.LAA10992@orca.kyowa-hi.co.jp> <199905250714.QAA06504@lavender.yy.cs.keio.ac.jp>
Message-Id: <374A72F02AA.181EOGINO@mail.coop.nagoya-u.ac.jp>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit
X-Mailer: Becky! ver 1.25.04
Reply-To: FreeBSD-net-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+990430
X-Sequence: FreeBSD-net-jp 1611
Subject: [FreeBSD-net-jp 1611] Re: =?ISO-2022-JP?B?GyRCJTUlViVNJUMbKEI=?=
 =?ISO-2022-JP?B?GyRCJUglXiU5JS8kTjtIJCRKfSRLJEQkJCRGGyhC?= 
Errors-To: owner-FreeBSD-net-jp@jp.freebsd.org
Sender: owner-FreeBSD-net-jp@jp.freebsd.org
X-Originator: ogino@coop.nagoya-u.ac.jp

$B2.Ln$G$9!#$=$s$J$KJQ$J$3$H$J$s$G$7$g$&$+!#NI$/$"$k$3$H$@$H;W$C$F$$$?$N$G(B
$B$9$,!#(B($BBg$-$J%5%V%M%C%H$N0lIt$r$+$8$j$H$j$?$$;~$C$F$J$$$G$9$+!)(B)

On Tue, 25 May 1999 16:14:16 +0900
MIHIRA Sanpei Yoshiro <sanpei@sanpei.org> wrote:

> >>$BIt=p(BA 192.168.100.0/26
> >>$BIt=p(BB 192.168.100.0/24
> >>
> >>$B$H$J$j$^$9!#$3$3$G$?$H$($P(B 192.168.100.1 $B$ON>J}$N%^%9%/$K3:Ev$7$^$9$,!"(B
> >>/26$B$NIt=p(B A$B$NJ}$,D9$$%M%C%H%^%9%/$K%^%C%A$7$F$$$k$N$G!"It=p(BA$B$K%k!<%F%#%s(B
> >>$B%0$G$-$k$O$:$G$9!#(B
($BN,(B)
>   $BIt=p(B B $B$K=jB0$9$k(B, Client $B%^%7%s(B($B0J2<%^%7%s(B B) $B$,(B default route $B$7(B
> $B$+7PO)>pJs$r;}$?$J$$>l9g$K$O(B. $B$D$^$j(B, 192.168.100.0/26 $B$N7PO)>pJs$r(B
> $B;}$?$J$$>l9g(B. 
>   $B$3$N(B192.168.100.0/24 $B$KB0$9$k%^%7%s(B B $B$O(B, $BIt=p(B A $B$N(B client $B%^%7%s(B
> ($B0J2<%^%7%s(B A)$B$H(B default route $B$r7PM3$7$F$*OC$9$k$h$&$K$9$k$K$O(B, $BIt(B
> $B=p(B B $B$N%k!<%?$G(B, $B%^%7%s(B A $B$K4X$7$F(B Proxy Arp $B$J$I$,I,MW$K;W$($^$9(B.

$B$3$3$^$G$O$^$C$?$/$=$NDL$j$@$H;W$$$^$9$7!":#2s$N%1!<%9$b(B ProxyARP $B$OI,MW(B
$B$G$7$g$&!#(B($B$G$b$C$F(B FreeBSD $B$J$i%+!<%M%kJQ?t$NJQ990lH/$GBP1~$G$-$k$i$7$$(B)

>   $B$D$^$j(B, OS $B%l%Y%k$G2DJQD9%M%C%H%^%9%/$KBP1~$7$F$$$F$b(B, $B$=$N2DJQD9(B
> $B$J7PO)>pJs$r(B(RIP2 $B$d(B OSPF $B$J$I$N7PM3$G(B)***$B%/%i%$%"%s%H(B***$B$,;}$C$F$$(B
> $B$J$$$H(B, $B0UL#$,L5$$$H;W$($^$9$,!D!D!D(B

$B$7$+$7!"$3$N!V0UL#$,L5$$!W$H$$$&$N$O(B? $B%k!<%?$,(B FreeBSD $B$J$i(B ProxyARP $B$OLd(B
$BBj$J$$$G$7$g$&$7!"%k!<%?$,2DJQD9%5%V%M%C%H%^%9%/$KBP1~$7$F$$$l$P!"%/%i%$(B
$B%"%s%H$,7PO)>pJs$r$b$C$F$$$J$/$F$b%M%C%H%o!<%/$NJ,3d$N<+M3EY$,3NJ]$G$-$k(B
$B$N$G==J,0UL#$,M-$k$h$&$K;W$&$N$G$9$,!#(B

$B$I$C$+H4$1$F$$$?$i;XE&$7$F$/$@$5$$!#$G$b!V0UL#$,L5$$!W$H$$$&$N$O(B 1. $B$=$l(B
$B$G$O$&$^$/F0$+$J$$!"(B2. $B$b$C$H%9%^!<%H$JJ}K!$,$"$k!"$N$I$A$i$G$7$g$&!#(B


$B%/%i%$%"%s%H$H$$$&$N$O%k!<%?0J30$N%[%9%H$@$H;W$$$^$9$,!"%^%7%s(BB $B$,%^%7%s(BA
$B$N%^%7%s$X%"%/%;%9$9$k>l9g$K$*$$$F(B

1) $B@5$7$$7PO)>pJs$r$b$C$F$$$k>l9g(B($B%k!<%?$X%Q%1%C%H$rAw?.$9$k(B)
$B!!!!%k!<%?$N(B MAC $B%"%I%l%9$r%k!<%?$N(B IP $B%"%I%l%9$+$i(B ARP $B$K$h$j<hF@(B
$B!!!!%Q%1%C%H$r%k!<%?$N(B MAC $B%"%I%l%908$F$KAw?.(B

2) $B@5$7$$7PO)>pJs$r$b$C$F$$$J$$>l9g(B($BF10l%;%0%a%s%H$@$H;W$$9~$s$G$$$k(B)
$B!!!!%k!<%?$N(B MAC $B%"%I%l%9$r%^%7%s(BA $B$N(B IP $B%"%I%l%9$+$i(B ARP $B$K$h$j<hF@(B
$B!!!!%Q%1%C%H$r%k!<%?$N(B MAC $B%"%I%l%908$F$KAw?.(B

$B$H$^$C$?$/JQ$o$i$J$$$h$&$K;W$$$^$9!#(B

$B$b$A$m$s85%M%?$N>l9g$NOC$G!"Nc$($P%k!<%?$,#1%;%0%a%s%H$KJ#?tM-$l$POC$OJQ(B
$B$o$C$F$/$k$H;W$$$^$9$,!"8D?ME*$K$O0lHLE*$J%/%i%$%"%s%H$,@\B3$5$l$k%;%0%a(B
$B%s%H$O%G%U%)%k%H%k!<%H0lK\$N@_Dj$GF0$/$h$&$K$7$F$*$/$Y$-$@$H9M$($F$$$^$9!#(B

# $B$H$3$m$G(B RIP2 $B$d(B OSPF $B$r%G%U%)%k%H$GM}2r$G$-$k(B
# OS $B$C$F$I$N$/$i$$$"$k$N$G$7$g$&(B?


$B8D?ME*$K!"!V0UL#$,$J$$!W$H;W$&$N$O85%M%?$N(B IP $B%"%I%l%9$,<B:]$N$b$N$@$C$?(B
$B>l9g!"!V$;$C$+$/%W%i%$%Y!<%H%"%I%l%9$r;H$C$F$$$k$N$K!"$1$A$C$F$bL50UL#$8(B
$B$c$J$$$N!)!W$H$+;W$C$F$7$^$$$^$9!#(B
$B$-$C$H%0%m!<%P%k%"%I%l%9$r;H$C$F$$$k$N$rIz$;$F$$$k$K0c$$$J$$$H;W$&$3$H$K(B
$B$7$F$$$^$9$,!#(B


$B$*$^$1(B
$B!V2DJQD9%M%C%H%^%9%/!W$H$$$&8@MU$rMpH/$7$F$7$^$$$^$7$?$,!"(BVLSM = Variable
Length Subnet Mask $B$G!V2DJQD9%5%V%M%C%H%^%9%/!W$,@5$7$$$N$+$b$7$l$^$;$s!#(B
$B:#2s$+$iJQ$($F$_$^$7$?!#(B
($B$G$b(B goo $B$G8!:w$7$F$b2DJQD9%M%C%H%^%9%/$H=q$$$F$"$k$H$3$m$b7k9=M-$k(B)

$B$"$H(B CIDR $B$r(B CIDER $B$H=q$$$F$$$^$7$?!#$9$_$^$;$s!#(B


---
$B2.Ln(B $B=<(B($B$*$.$N(B $B$_$D$k(B) ... $B!VGk!W$K$"$i$:(B
$BL>8E20Bg3X>CHq@83h6(F1AH9g(B
ogino@coop.nagoya-u.ac.jp


