From owner-FreeBSD-net-jp@jp.FreeBSD.org Mon Dec 10 20:12:32 2001
Received: (from daemon@localhost)
	by castle2.jp.FreeBSD.org (8.11.6+3.4W/8.11.3) id fBABCWk81916;
	Mon, 10 Dec 2001 20:12:32 +0900 (JST)
	(envelope-from owner-FreeBSD-net-jp@jp.FreeBSD.org)
Received: from castle.jp.freebsd.org (castle.jp.FreeBSD.org [210.226.20.15])
	by castle2.jp.FreeBSD.org (8.11.6+3.4W/8.11.3) with ESMTP/inet id fBABCWm81911
	for <freebsd-net-jp@castle2.jp.freebsd.org>; Mon, 10 Dec 2001 20:12:32 +0900 (JST)
	(envelope-from postman-sony@jp.freebsd.org)
Received: from r-hh.iij4u.or.jp (r-hh.iij4u.or.jp [210.130.0.72])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with ESMTP id UAA02672
	for <FreeBSD-net-jp@jp.freebsd.org>; Mon, 10 Dec 2001 20:12:32 +0900 (JST)
	(envelope-from moriko@hh.iij4u.or.jp)
Received: from ruriruri.noe.mcu.or.jp (2.41.138.210.xn.2iij.net [210.138.41.2])
	by r-hh.iij4u.or.jp (8.11.6+IIJ/8.11.6) with ESMTP id fBABCVM21950
	for <FreeBSD-net-jp@jp.freebsd.org>; Mon, 10 Dec 2001 20:12:31 +0900 (JST)
Received: from localhost (saorin.noe.mcu.or.jp [192.168.0.251])
	by ruriruri.noe.mcu.or.jp (8.11.6/8.11.6) with ESMTP id fBABCVw83793;
	Mon, 10 Dec 2001 20:12:31 +0900 (JST)
	(envelope-from moriko@hh.iij4u.or.jp)
Date: Mon, 10 Dec 2001 20:12:14 +0900 (JST)
Message-Id: <20011210.201214.68561659.moriko@saorin.noe.mcu.or.jp>
To: FreeBSD-net-jp@jp.FreeBSD.org
From: MORI Kouji <moriko@hh.iij4u.or.jp>
In-Reply-To: <20011205.231421.74752105.moriko@mizuki.noe.mcu.or.jp>
References: <20011205.231421.74752105.moriko@mizuki.noe.mcu.or.jp>
X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0
 =?iso-2022-jp?B?KBskQjgtTFobKEIp?=
Mime-Version: 1.0
Content-Type: Text/Plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Reply-To: FreeBSD-net-jp@jp.FreeBSD.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+010331
X-Sequence: FreeBSD-net-jp 3484
Subject: [FreeBSD-net-jp 3484] Re: PPPoE =?ISO-2022-JP?B?GyRCJEcbKEI=?=
 =?ISO-2022-JP?B?GyRCRkNEaiROJVslOSVIJEslIiUvJTslOSRHJC0bKEI=?=
 =?ISO-2022-JP?B?GyRCJEokJBsoQg==?=
Errors-To: owner-FreeBSD-net-jp@jp.FreeBSD.org
Sender: owner-FreeBSD-net-jp@jp.FreeBSD.org
X-Originator: moriko@hh.iij4u.or.jp

$B?9$G$9!#(B

> IIJmio + Flet's ADSL $B$r(B FreeBSD 4.4R $B$r(B PPPoE + NAT $B%k!<%?$H$7$F@\B3$7$F(B
> $B$$$k$N$G$9$,!"(Bwww.netbsd.org $B$H$+$N0lIt$N%5%$%H$K%"%/%;%9$G$-$J$$$3$H$K(B
> $B5$$,$D$-$^$7$?!#(Bping $B$H$+$ODL$j$^$9!#(B

ppp(8) $B$G(B filter $B$r;HMQ$7$F$$$J$$>l9g$O(B net.inet.tcp.rfc1323=1 $B$N(B
$B>uBV$G$bDL?.$G$-$k$3$H$K5$$E$-$^$7$?!#(B

$BDL?.$G$-$k$H$-$N%Q%1%C%H$r(B tcpdump $B$G8+$F$_$k$H0J2<$N$h$&$K$J$C$F$^$7$?!#(B
$B%U%i%0%a%s%H2=$5$l$?%Q%1%C%H$,(B ppp(8) $B$N%U%#%k%?$GMn$5$l$F$7$^$C$?(B
$B$3$H$,DL?.$G$-$J$$D>@\$N860x$N$h$&$G$9!#(B

19:34:32.093186 192.168.0.251.65346 > 204.152.186.171.80: S 3350807958:3350807958(0) win 16384 <mss 1460,nop,wscale 0,nop,nop,timestamp 0 0>
19:34:32.249405 204.152.186.171.80 > 192.168.0.251.65346: S 2785251598:2785251598(0) ack 3350807959 win 32768 <mss 1414,nop,wscale 0,nop,nop,timestamp 2690872 0>
19:34:32.249708 192.168.0.251.65346 > 204.152.186.171.80: . ack 1 win 17520 <nop,nop,timestamp 0 2690872>
19:34:32.250563 192.168.0.251.65346 > 204.152.186.171.80: P 1:202(201) ack 1 win 17520 <nop,nop,timestamp 0 2690872>
19:34:32.414197 204.152.186.171.80 > 192.168.0.251.65346: . [bad hdr length] (frag 39183:24@0+)
19:34:32.426011 204.152.186.171 > 192.168.0.251: (frag 39183:1422@24)

$B$G!"7k6I0J2<$N$I$A$i$+$NBP=h$G(B o.k. $B$G$7$?!#(B

  1. $B%U%i%0%a%s%H2=$5$l$J$$$h$&$K$9$k(B (set mtu max 1414 $B$^$G2<$2$k(B)
  2. $B%U%i%0%a%s%H2=$5$l$?%Q%1%C%H$rMn$5$J$$$h$&$K%U%#%k%?$r@_Dj(B
     (ppp(8) $B$G%U%#%k%?$N@_Dj$r$7$J$$!#<B$O@_Dj$G$-$k(B?)

$B$I$A$i$NBP=h$K$bG<F@$$$-$^$;$s$1$I!#(B(^^;)

-- 
$B?9(B $B9@Fs(B	(MORI Kouji)
E-mail: moriko@hh.iij4u.or.jp

