From owner-FreeBSD-net-jp@jp.freebsd.org  Sun Jul 25 17:47:41 1999
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id RAA23506;
	Sun, 25 Jul 1999 17:47:41 +0900 (JST)
	(envelope-from owner-FreeBSD-net-jp@jp.FreeBSD.org)
Received: from pixy.issp.u-tokyo.ac.jp (pixy.issp.u-tokyo.ac.jp [157.82.115.45])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with SMTP id RAA23501
	for <FreeBSD-net-jp@jp.freebsd.org>; Sun, 25 Jul 1999 17:47:41 +0900 (JST)
	(envelope-from ueta@pixy.issp.u-tokyo.ac.jp)
Received: (qmail 20401 invoked from network); 25 Jul 1999 08:51:56 -0000
Received: from localhost (127.0.0.1)
  by localhost with SMTP; 25 Jul 1999 08:51:56 -0000
To: FreeBSD-net-jp@jp.freebsd.org
Cc: ueta@pixy.issp.u-tokyo.ac.jp
In-Reply-To: Your message of "Sun, 25 Jul 1999 17:05:48 +0900"
	<008401bed674$81c9f7c0$4000a8c0@pca44.gonzo.co.jp>
References: <008401bed674$81c9f7c0$4000a8c0@pca44.gonzo.co.jp>
X-Mailer: Mew version 1.93 on Emacs 19.34 / Mule 2.3 (SUETSUMUHANA)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Message-Id: <19990725175155I.ueta@pixy.issp.u-tokyo.ac.jp>
Date: Sun, 25 Jul 1999 17:51:55 +0900
From: Ueta Masateru <ueta@pixy.issp.u-tokyo.ac.jp>
X-Dispatcher: imput version 980905(IM100)
Lines: 53
Reply-To: FreeBSD-net-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+990625
X-Sequence: FreeBSD-net-jp 1770
Subject: [FreeBSD-net-jp 1770] Re:  DUMMYNET
Errors-To: owner-FreeBSD-net-jp@jp.freebsd.org
Sender: owner-FreeBSD-net-jp@jp.freebsd.org
X-Originator: ueta@pixy.issp.u-tokyo.ac.jp

$B$3$s$K$A$O?"ED$G$9!#(B
From: "Satoh Yuji" <satou@gonzo.co.jp>
Subject: [FreeBSD-net-jp 1767] DUMMYNET
Date: Sun, 25 Jul 1999 17:05:48 +0900
Message-ID: <008401bed674$81c9f7c0$4000a8c0@pca44.gonzo.co.jp>
> NIC2$BKg!J(BFNW-9800-T)
-- snip --
> NIC$B$N(B2$BKg:9$7$O(BNAT$B$N@_Dj$G7P83$7$?$N$G!"LdBj$J$7!&!&!&$H(B
> $B;W$C$F$$$?$i:G=i$G$D$^$E$$$F$7$^$$$^$7$?!#(B
> al0,al1$B$H$$$&6q9g$G%G%P%$%9$OG'<1$9$k$N$G$9$,(B
> $B$I$3$K(Bping$B$r$+$1$F$b(B
> ping:sendto: Permission denied

kernel $B$N(B option $B$r$_$k$H!"(Bipfw $B$rM-8z$K$5$l$F$*$i$l$k$h$&$G$9$,!"(Bipfw 
$B$N@_Dj$O@5$7$/$J$5$l$F$*$j$^$9$G$7$g$&$+!)!#(Bipfw $B$N(B default $B$N@_Dj$O!"(B
$BA4$F$N(B packet $B$rC!$-Mn$9$h$&$K$J$C$F$$$^$9!#$@$+$i!"(Bdefault $B$N$^$^$G$O!"(B
$B>e$G8f=q$-$K$J$i$l$?$h$&$J(B message $B$,=P$k$O$:$G$9!#(B
#NAT $B$N@_Dj$r$5$l$?$3$H$,$"$kJ}$G$9$+$i!"$^$5$+$H$O;W$&$N$G$9$,!D!#$?$@!"(B
#$B$"$^$j$K>I>u$,;w$F$$$k$N$G!D!#(B

$B$H$$$&$3$H$G!"(B/etc/rc.conf $B$d(B /etc/rc.firewall $B$N@_Dj$O!"G!2?$J$C$F$$(B
$B$k$N$G$7$g$&$+!)!#$3$NItJ,$,L@$+$K$J$k$H!"8e=R$N$3$H$rJ;$;$F5DO@$N?J9T(B
$B$,MF0W$K$J$k$H;W$$$^$9!#(B

$BFC$K5$$K$J$k$N$O!"(B
> $B$HI=<($5$l;~4V$rCV$/$H(B
> hoge /kernel: arp: 192.168.0.1 is on al0 but got reply from
> 00:00:93:0c:17:0c on al1
> $B$H$$$&%a%C%;!<%8$,I=<($5$l$^$9!#(B
$B$H$$$&(B message $B$,=P$F$$$k$H$$$&$3$H$G$9!#$3$l$O!"(Bnetwork interface $B$,(B 
arp table $B$r<hF@=PMh$F$$$k$H$$$&$3$H$r0UL#$7$^$9$+$i!">e$G5-=R$7$?(B 
"ipfw $B$N@_Dj$,@5$7$/$J$$(B" $B$H$$$&2DG=@-$OL5$$$3$H$r0UL#$9$k$+$b$7$l$^$;$s!#(B

<$B0J2<M>CL(B>
$B$+$J$j%X%\$$$3$H$r=q$$$F$7$^$$$^$9$,!D(B
> $B?'!9$JJ}K!$GBS0h$r@)8f$9$k$3$H$,=PMh$k$h$&$G$9$,!"(BDUMMYNET
> $B$r;n$7$F$_$h$&$H;W$$$^$7$?!#(B

$BBS0h@)8f$NF3F~$r$48!F$$H$$$&$3$H$O!"$I$l$/$i$$$N(B network $B$N(B traffic $B$,(B
$B$*$"$j$J$N$G$7$g$&$+!)Ln<!GOE*$G$9$,!"$J$s$H$J$/6=L#$,$"$j$^$9(B :-)

$B$^$?!"(B2 $B$D$N(B NIC $B$rMQ$$$F(B network $B$NBS0h@)8f$r<B;\$9$k$H$$$&$3$H$O!"$d(B
$B$O$jDL?.7PO)$rB?=E2=$7$F$*$i$l$k$N$G$9$h$M!)$9$k$H!"$=$l$>$l$N(B NIC $B$+(B
$B$i!"(B 2 $B$D$NFHN)$7$?(B HUB $B$K8~$+$C$F7k@~$5$l$F$*$j!"$5$i$K$=$l$i$N(B HUB 
$B$+$i$"$k0l$D$N5!3#$X$H(B cable $B$,7k@~$5$l$F$$$k$N$G$7$g$&$+!)!#$=$l$H$b!"(B
$B5!3#F1;N$r(B 2 $BK\$N(B cross-cable $B$G7k@~$5$l$F$*$i$l$k$N$G$7$g$&$+!)$3$N<B(B
$BAu$bLn<!GOE*$G$9$,6=L#$,$"$j$^$9(B :-)
#$B$b$7$+$7$F!"BS0h@)8f$K$D$$$FBg$-$J8m2r$r$7$F$$$k$+$b(B>$B<+J,!D(B
#switching HUB $B$@$H!"0l$D$G:Q$`$N$+$J!)(B

$B$G$O$G$O(B
----
$B?"ED(B $B@551(B(ueta@pixy.issp.u-tokyo.ac.jp)
