From owner-FreeBSD-tech-jp@jp.freebsd.org  Thu Nov  5 13:25:38 1998
Received: by jaz.jp.freebsd.org (8.9.1+3.1W/8.7.3) id NAA29364;
	Thu, 5 Nov 1998 13:25:38 +0900 (JST)
	(envelope-from owner-FreeBSD-tech-jp@jp.FreeBSD.org)
Received: from TYO203.gate.nec.co.jp (TYO203.gate.nec.co.jp [202.32.8.211])
	by jaz.jp.freebsd.org (8.9.1+3.1W/8.7.3) with ESMTP id NAA29358
	for <FreeBSD-tech-jp@jp.freebsd.org>; Thu, 5 Nov 1998 13:25:35 +0900 (JST)
	(envelope-from morofuji@qncos.nec.co.jp)
Received: from mailsv.nec.co.jp (mailsv-le1 [192.168.1.90])
	by TYO203.gate.nec.co.jp (8.9.1a/3.7W98092815) with ESMTP id NAA04100
	for <FreeBSD-tech-jp@jp.freebsd.org>; Thu, 5 Nov 1998 13:25:29 +0900 (JST)
Received: from qnts010.qncos.nec.co.jp (qnts010.qncos.nec.co.jp [10.104.10.10]) by mailsv.nec.co.jp (8.9.1a/3.7W-MAILSV-NEC) with ESMTP
	id NAA08100 for <FreeBSD-tech-jp@jp.freebsd.org>; Thu, 5 Nov 1998 13:25:27 +0900 (JST)
Received: from exose88.qncos.nec.co.jp (exose88.qncos.nec.co.jp [10.104.10.88])
	by qnts010.qncos.nec.co.jp (8.9.1/3.7W-98093011) with ESMTP id NAA10811
	for <FreeBSD-tech-jp@jp.freebsd.org>; Thu, 5 Nov 1998 13:26:17 +0900 (JST)
Received: (from morofuji@localhost)
	by exose88.qncos.nec.co.jp (8.9.1+3.0W/3.7W-98102311) id FAA19128;
	Thu, 5 Nov 1998 05:15:29 GMT
Message-Id: <199811050515.FAA19128@exose88.qncos.nec.co.jp>
To: FreeBSD-tech-jp@jp.freebsd.org
In-reply-to: Your message of "Thu, 05 Nov 98 13:06:36 +0900."
             <199811050406.NAA14598@volvo.kom.comm.waseda.ac.jp> 
Date: Thu, 05 Nov 98 14:15:28 +0900
From: Yoshinori Morofuji <morofuji@qncos.nec.co.jp>
Reply-To: FreeBSD-tech-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+980914
X-Sequence: FreeBSD-tech-jp 1891
Subject: [FreeBSD-tech-jp 1891] Re: [Q] CRC and Checksum 
Errors-To: owner-FreeBSD-tech-jp@jp.freebsd.org
Sender: owner-FreeBSD-tech-jp@jp.freebsd.org
X-Originator: morofuji@qncos.nec.co.jp

$B=tF#!w#N#E#CDL?.%7%9%F%`6e=#(B $B$G$9!#(B

> > Ether packet $B$O!"(BCRC $B$G%A%'%C%/$5$l$F$$$k$N$G!"(BTCP/IP$B$N%A%'%C%/%5%`$G$O0z$C(B
> > $B3]$+$k$3$H$OL5$$$H9M$($F$bNI$$$N$G$7$g$&$+!)(B
> 
> Ethernet$B$O(BTCP/IP$B$N$?$a$K$"$k$o$1$G$b$J$$$7!"(BTCP/IP$B$O(B
> Ethernet$B$rA0Ds$H$7$F$$$k$o$1$G$O$J$$$N$G!"$=$&$H$O8@$$@Z(B
> $B$l$J$$$H;W$$$^$9!#(B
> 
> $B$?$@!"%G!<%?%j%s%/AX$K%(%i!<%A%'%C%/5!G=$N$"$k$b$N$r;H$&(B
> $B$3$H$,B?$$$3$H$b3N$+$J$N$G$9$,!&!&!&!#(B

$B6D$kDL$j!"(BEthernet$B$H(BTCP/IP$B$O4X78$,$"$j$^$;$s!#(B
$B$?$@!"$?$^$?$^(BEthernet$B>e$N(BTCP/IP$B$@$C$?>l9g$K$O!"(BCRC$B$G%A%'%C%/$5$l$k0Y$K(B
TCP/IP$B%A%'%C%/%5%`$G$O0z$C3]$+$i$J$$$N$+$J!)$H;W$$$^$7$F(B...$B!#(B

$B$A$J$_$K!"EvJ}$N(BFreeBSD$B$N%^%7%s(B(2.2.6-RELEASE,2.2.7-RELEASE,Ethernet$B@\B3(B)
$B$G(B"netstat -s" $B$N=PNO7k2L$G$O!"%A%'%C%/%5%`%(%i!<$O0l2s$b%+%&%s%H$5$l$?;v(B
$B$,L5$$$N$O!"$d$O$j(BEthernet$B$N?.Mj@-$,9b$$$;$$$+$J!)(B(CRC$B%A%'%C%/$G$I$l$/$i$$(B
$B%Q%1%C%H%m%9$,H/@8$7$F$$$k$+$OJ,$+$j$^$;$s$,(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
$B"v(B---------------------------------------------------------------$B"v(B
