From owner-FreeBSD-users-jp@jp.FreeBSD.org Mon Aug 25 11:07:31 2003
Received: (from daemon@localhost)
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) id h7P27VJ17391;
	Mon, 25 Aug 2003 11:07:31 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from ns6.sony.co.jp (NS6.Sony.CO.JP [137.153.0.32])
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) with ESMTP/inet id h7P27Q017384
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Mon, 25 Aug 2003 11:07:30 +0900 (JST)
	(envelope-from mistral@imasy.or.jp)
Received: from mail3.sony.co.jp (mail3.sony.co.jp [43.0.1.203])
	by ns6.sony.co.jp (R8/Sony) with ESMTP id h7P27MJ14841
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Mon, 25 Aug 2003 11:07:22 +0900 (JST)
Received: from mail3.sony.co.jp (localhost [127.0.0.1])
	by mail3.sony.co.jp (R8/Sony) with ESMTP id h7P27L416793
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Mon, 25 Aug 2003 11:07:21 +0900 (JST)
Received: from shimako.yamayuri.org ([43.10.151.85])
	by mail3.sony.co.jp (R8/Sony) with ESMTP id h7P27Ht16717
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Mon, 25 Aug 2003 11:07:17 +0900 (JST)
Received: from shimako.yamayuri.org (localhost [127.0.0.1])
	by shimako.yamayuri.org (8.12.9/8.12.9/mistral) with ESMTP id h7P27AVi001987
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO)
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Mon, 25 Aug 2003 11:07:10 +0900 (JST)
	(envelope-from mistral@imasy.or.jp)
Received: (from sarumaru@localhost)
	by shimako.yamayuri.org (8.12.9/8.12.9/Submit) id h7P27Anp001986;
	Mon, 25 Aug 2003 11:07:10 +0900 (JST)
	(envelope-from sarumaru)
From: mistral@imasy.or.jp (Yoshihiko Sarumaru)
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: Your message of "Sun, 24 Aug 2003 22:19:51 +0900".
	<20030824.221951.730552049.ryu3@ka3.so-net.ne.jp>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-2022-JP
X-Mailer: mnews [version 1.22PL5] 2001-02/07(Wed)
Message-ID: <030825110710.M0101247@shimako.imasy.or.jp>
Reply-To: FreeBSD-users-jp@jp.FreeBSD.org
Precedence: list
Date: Mon, 25 Aug 2003 11:07:10 +0900
X-Sequence: FreeBSD-users-jp 75936
Subject: [FreeBSD-users-jp 75936] Re: dhclient
 =?ISO-2022-JP?B?GyRCJEcbKEI=?= IP 
	=?ISO-2022-JP?B?GyRCJSIlSSVsJTkkTjxoRkAkSzw6R1QbKEI=?=
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: mistral@imasy.or.jp
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+030821

$B!!1n4]$G$9!#(B

2003-08-24($BF|(B) 22:19:51.$B:"!"(Bryu3@ka3.so-net.ne.jp$B$5$s$O=q$-$^$7$?!#(B

> dhclient$B$G(BIP$B%"%I%l%9$N<hF@$K<:GT$7$^$9!#$3$N8=>]$r:F8=$G$-$:!"$^$?860x(B
> $B$b$o$+$j$^$;$s!#%Q%=%3%s$N8N>c$+!"$"$k$$$O@_Dj%_%9$+$bH=CG$G$-$^$;$s!#(B
> $B$I$J$?$+$3$NMM$J8=>]$rBN83(B($B$"$k$$$O2r7h(B)$B$5$l$?J}$O$$$i$C$7$c$$$^$;$s$+!#(B

> $B:$$C$F$$$k8=>]$O!"0lC6(BIP$B%"%I%l%9$N<hF@$K<:GT$9$k$H!"$=$N8e?t=54V$O(BIP$B%"(B
> $B%I%l%9$N<hF@$K<:GT$7$D$E$1$kE@$G$9!#$3$N8e?tF|!"%j%V!<%HEy9T$J$C$?$j!"(B
> dhclient$B$N(Bkill$B$r$7$?$j;n$7$^$7$?$,!"JQ2=$O$"$j$^$;$s$G$7$?!#(B
> $B$=$N8eFbB"(BLAN$B$r;H$o$:!"?t=54V8e$K;n$7$?$iLdBj$J$/(BIP$B%"%I%l%9$,<hF@$G$-(B
> $B$k$h$&$K$J$j$^$7$?!#(B

  $B$J$s$H$J$/!"$$$D$b;H$C$F$$$k(BIP$B%"%I%l%9$,B>$N?M$K(B(DHCP$B$r;H$o$:(B
$B$K(B)$B@j5r$5$l$F$$$F!"%"%I%l%9<hF@$G$-$J$/$J$C$F$$$k$h$&$KA[A|$7$^(B
$B$9!#$$$D$b;H$C$F$$$?(B IP $B%"%I%l%9$,$o$+$l$P!"$=$N%"%I%l%9$KBP$7$F(B
ping $B$7$F1~Ez$,5"$C$F$-$^$9$+!)!!$=$l$O%5!<%PB&$G@55,$K(B lease $B$5(B
$B$l$?%"%I%l%9$G$9$+!)(B

$B!!$H$j$"$($:(B ports $B$+$i(B net/ethereal $B$r;H$C$F(B dhclient $B<B9T;~$K(B
$B$I$&$$$&%Q%1%C%H$,N.$l$F$$$k$N$+D4$Y$F$_$F$O$$$+$,$G$7$g$&$+(B 
(tcpdump $B$G$b$$$$$G$9$,!"(BDHCP Message Type $B$r8@MU$GI=<($G$-$J$5(B
$B$=$&(B)$B!#@5$7$/$H$l$k>l9g$O(B
1. $B"*(B DHCP Discover
2. $B"+(B DHCP Offer
3. $B"*(B DHCP Request
4. $B"+(B DHCP ACK
$B$H$$$&=gHV$K%Q%1%C%H$,N.$l$F$$$k$O$:$G$9!#(B

# RFC2131 (http://www.rfc-editor.org/rfc/rfc2131.txt) $B$N(BPage 15
# $B;2>H(B

# 0. interface $B$,(B up $B$7$F$$$J$1$l$P!"(Bifconfig fxp0 up $B$N$h$&$K$7(B
#    $B$F$"$i$+$8$a(B UP $B$K$7$F$*$/(B
# 1. su -m root -c ethereal $B$G(B ethereal $B$r5/F0(B
# 2. ethereal $B$N(B Capture -> Start $B$G(B Capture Option $B2hLL$r=P$7(B
# 3. Interface $B$KL\E*$N(B interface $B$r@_Dj$7$F!"(BOK
# 4. dhclient fxp0 $B$r<B9T$9$k(B

$B!!$=$&$O$J$C$F$$$J$$$N$G%"%I%l%9<hF@$K<:GT$7$F$$$k$+$b$7$l$^$;$s(B
$B$,!"$I$&$$$&%a%C%;!<%8$,N.$l$F$$$k$G$7$g$&$+!#(BDHCP ACK $B$^$G$$$C(B
$B$F$b!"$=$N(BIP$B%"%I%l%9$K(B ping $B$7$F1~Ez$,5"$C$F$-$?$i$=$N%"%I%l%9$O(B
$B;H$o$J$/$J$k$N$G!"$=$A$i$bD4$Y$F$/$@$5$$!#(B

$B!!>l9g$K$h$C$F$O(B /var/db/dhclient.leases $B$r:o=|$7$F$_$k$H5sF0$,(B
$BJQ$o$k$+$b$7$l$^$;$s!#(B

  /etc/dhclient.conf $B$K$O2?$+@_Dj$7$F$$$^$9$+!)(B
--
$B1n4]K'I'(B (Yoshihiko Sarumaru)
mail: mistral@imasy.or.jp       web: http://www.imasy.or.jp/~mistral/
